Translation service
Translation Services for Law Firms
ISO 17100 certified legal translation services for UK law firms and solicitors: certified, sworn, notarised translations in 200+ languages from £30/page.
ISO 17100 certified legal translation services for UK law firms and solicitors: certified, sworn, notarised translations in 200+ languages from £30/page.
- 150+ Languages
- ISO 17100 Certified
- Same-day Turnaround
Explore our services
What are translation services for law firms?
Translation services for law firms convert legal documents, evidence, and oral testimony between languages under ISO 17100 certified quality control, so foreign-language material is admissible before English courts, tribunals, and international arbitral panels without procedural challenge.
Which legal documents can be translated for law firms?
Law firms translate 12 core legal document types: contracts, court bundles, witness statements, expert reports, disclosure documents, powers of attorney, corporate filings, patents, wills, litigation pleadings, arbitration awards, and apostilled certificates.
What is a certified legal translation and when do law firms need one?
A certified legal translation is a translation accompanied by a signed Certificate of Accuracy attesting the document is a true, complete, and faithful rendering, produced by a competent translator, and is required whenever a UK court, tribunal, regulator, or SRA-regulated firm receives foreign-language evidence.
What is the difference between certified, sworn, notarised, and apostilled translations?
Certified translations carry a Certificate of Accuracy from the translation company, sworn translations are signed before a court-appointed sworn translator, notarised translations are counter-signed by a UK notary public, and apostilled translations receive an FCDO apostille for use abroad under the Hague Convention.
How much do legal translation services cost for UK law firms?
Legal translation for UK law firms starts at £30 per page or approximately £0.12–£0.18 per word for common European pairs, with framework-agreement discounts on volume, a 25–50% surcharge for same-day rush, and fixed-quote pricing for matters above 10,000 words.
Do legal translation services offer urgent or same-day delivery?
Same-day legal translation is delivered before 17:00 GMT for documents under 1,000 words submitted before 11:00 GMT, with 24–48 hour turnaround for standard litigation packs and milestone delivery for matters above 10,000 words, all under the ISO 17100 two-linguist workflow.
What are translation services for law firms?
Translation services for law firms convert legal documents, evidence, and oral testimony between languages under ISO 17100 certified quality control, so foreign-language material is admissible before English courts, tribunals, and international arbitral panels without procedural challenge.
How it works
How much do legal translation services cost for UK law firms?
Legal translation for UK law firms starts at £30 per page or approximately £0.12–£0.18 per word for common European pairs, with framework-agreement discounts on volume, a 25–50% surcharge for same-day rush, and fixed-quote pricing for matters above 10,000 words.
What’s included
How do we ensure accuracy and confidentiality in legal translation?
Accuracy and confidentiality are ensured through the ISO 17100 two-linguist TEP workflow, legally-trained translators, termbase-managed translation memory, NDA-backed vendor contracts, GDPR-compliant secure file transfer, and role-scoped access on the translation management system.
Complete guide
Everything you need to know
Legal matters carry no tolerance for ambiguity, and translation services for law firms sit at the point where linguistic precision meets procedural admissibility. This page sets out how ISO 17100 certified translation and interpreting support UK solicitors across litigation, contracts, disclosure, and cross-border enforcement, under fixed procurement terms.
Which legal documents can be translated for law firms?
Law firms translate 12 core legal document types: contracts, court bundles, witness statements, expert reports, disclosure documents, powers of attorney, corporate filings, patents, wills, litigation pleadings, arbitration awards, and apostilled certificates. The table below sets out the categories against typical certification tier and receiving body.
| Document category | Typical tier | Receiving body |
|---|---|---|
| Court bundles, pleadings, witness statements | Certified | HMCTS, tribunals |
| Cross-border contracts, SPAs, M&A | Certified or sworn | Counterparty, arbitral seat |
| Patents and IP filings | Certified | UK IPO, EPO |
| Immigration and private client papers | Certified or notarised | Home Office, UKVI |
| Corporate filings, board minutes | Certified | Companies House |
| Civil status certificates for use abroad | Apostilled | FCDO |
What legal translation is needed for litigation and court documents?
Litigation documents translated include pleadings, witness statements, expert reports, disclosure bundles, court orders, and depositions, delivered court-ready with a signed Certificate of Accuracy for filing before HMCTS. Our Litigation Support Translation Services in the UK page details evidence-handling controls for cross-border discovery.
How are contracts, M&A, and corporate filings translated?
Corporate translation covers cross-border contracts, share purchase agreements, due-diligence data rooms, board minutes, and Companies House filings, using termbase-controlled translation memory for consistency across deal workstreams. Contract translation services carry NDA cover per linguist. Repeat clauses are leveraged from client-specific memory to reduce cost.
How are immigration, family, and private client papers translated?
Private-client translation covers birth, marriage, and death certificates, wills, powers of attorney, divorce petitions, and Home Office immigration evidence, delivered as certified or notarised translations accepted by UK Visas and Immigration. The Home Office requires a certified translation for every document not in English or Welsh.
How are IP, patent, and regulatory filings translated?
IP translation covers patent specifications, trademark filings, EPO and UK IPO submissions, licensing agreements, and regulatory correspondence, produced by translators with technical-legal training and formatted to filing authority templates. Compliance requirements dictate strict terminology control.
Services
What is a certified legal translation and when do law firms need one?
A certified legal translation is a translation accompanied by a signed Certificate of Accuracy attesting the document is a true, complete, and faithful rendering, produced by a competent translator, and is required whenever a UK court, tribunal, regulator, or SRA-regulated firm receives foreign-language evidence. Submitting foreign-language documents in UK proceedings without certification risks exclusion of the evidence entirely. Certified translation services carry the signed statement, date, and translator contact details required by UK receiving bodies. Our service operates across four certification tiers — certified, sworn, notarised, and apostilled — so every matter is matched to the precise standard demanded by the receiving authority.
- 01
Source language and target language
- 02
Translator’s name, credentials, and signature
- 03
Date of translation and issuing translation company
- 04
ISO 17100 quality-standard reference
- 05
Declaration of accuracy and completeness
What is the difference between certified, sworn, notarised, and apostilled translations?
Certified translations carry a Certificate of Accuracy from the translation company, sworn translations are signed before a court-appointed sworn translator, notarised translations are counter-signed by a UK notary public, and apostilled translations receive an FCDO apostille under the Hague Convention. The four tiers map to different receiving-body demands, not to translation quality.
Which certification tier do I need for my legal translation?
Choose the certification tier by receiving body: certified for UK courts and SRA firms, sworn for civil-law jurisdictions such as France, Spain, and Germany, notarised where a notary counter-signature is demanded, and apostilled for cross-border use under the Hague Convention. The table below maps tier to purpose.
| Tier | What it is | Typical receiving body |
|---|---|---|
| Certified | Signed Certificate of Accuracy from the translation company | HMCTS, Home Office, SRA-regulated firms, HMRC, Companies House |
| Sworn | Translation signed before a court-appointed sworn translator | Courts in France, Spain, Germany, Italy, Poland |
| Notarised | Certified translation counter-signed by a UK notary public verifying translator identity | Foreign consulates, overseas registries |
| Apostilled | Notarised translation bearing an FCDO apostille under the 1961 Hague Convention | Public authorities in Hague Convention states |
For cross-vertical certification context, see our Industry-Specific Translation Services page.
When does a law firm need a sworn translator?
UK law firms need a sworn translator when filing evidence, contracts, or judgments in civil-law jurisdictions such as France, Italy, Spain, Germany, Poland, and much of Latin America, where domestic courts only accept translations sworn before a designated court list. Spain appoints traductores jurados through the Ministry of Foreign Affairs. France uses experts traducteurs registered with courts of appeal. Germany authorises beeidigte Übersetzer through regional courts.
Pricing
Do legal translation services offer urgent or same-day delivery?
Same-day legal translation is delivered before 17:00 GMT for documents under 1,000 words submitted before 11:00 GMT, with a 24–48 hour turnaround for standard litigation packs and milestone delivery for matters above 10,000 words, all produced under the ISO 17100 two-linguist workflow. For very short documents — typically under 500 words — an accelerated two-to-four-hour production window is available, making it viable to turn around urgent client-facing materials within a single morning. Rush instructions attract a surcharge of 25–50%, depending on volume and language pair, and this is disclosed in writing at the point of quoting so that matter budgets are not surprised.
Large disclosure bundles and cross-border transaction packs above 10,000 words are handled through milestone delivery, where translated tranches are returned progressively rather than as a single batch. This means counsel and litigators can begin reviewing earlier sections while production continues on the remainder — a critical advantage when court deadlines are fixed. Parallel linguist teams are deployed on the largest matters to compress elapsed time without compromising the mandatory second-linguist revision step required under ISO 17100.
What are the turnaround SLAs for common matter types?
Turnaround SLAs are benchmarked to the ISO 17100 production rate of 1,500–2,000 words per linguist per day, ensuring that speed commitments remain realistic and quality-controlled. Every delivery includes a signed Certificate of Accuracy.
| Matter size | Standard turnaround time | Rush option |
|---|---|---|
| Under 500 words | 2–4 hours | Priority same-day |
| 1 page / under 1,000 words | 24 hours | Same-day before 17:00 GMT (submit before 11:00 GMT) |
| 5,000-word contract | 3 working days | 48 hours (25–50% surcharge) |
| 10,000-word disclosure bundle | 5 working days | Rush (25–50% surcharge) |
| Above 10,000 words | Milestone delivery | Parallel linguist teams |
About
Can AI or machine translation be used for legal documents?
AI and machine translation can be used for legal documents only under full post-editing by a legally-trained human linguist, and only where SRA confidentiality duties and client privilege permit — privileged material and court-filed evidence remain human-only under the ISO 17100 workflow. Raw machine output falls outside ISO 17100 scope.
When is neural machine translation appropriate?
Neural machine translation with full post-editing is appropriate for high-volume, low-risk content such as internal case-review summaries, first-pass disclosure triage, and multilingual research, provided data does not leave a UK-hosted, private-tenant environment. Expert human review remains mandatory before any legal use.
When must translation be human-only?
Human-only translation is mandatory for court-filed evidence, privileged advice, witness statements, sworn declarations, sensitive M&A drafting, and any material where SRA outcome-based rules on confidentiality and competence apply. Legal translation must remain human-only where privilege attaches.
What languages and jurisdictions do we cover for law firms?
Language coverage runs to 150+ languages and dialects including Arabic, Russian, Mandarin, French, German, Spanish, Polish, Portuguese, and Farsi, with jurisdictional expertise spanning English common law, EU civil law, GCC Sharia-influenced systems, and cross-border arbitration seats in London, Paris, Singapore, and Dubai. Expert legal linguists translate complex legal instruments across each seat.
How do we handle civil-law vs common-law translation?
Civil-law versus common-law translation is a jurisprudential exercise, not a linguistic one: translators map functionally equivalent concepts — consideration, trust, tort — rather than word-for-word, so contracts survive enforcement in Paris, Frankfurt, Dubai, and New York. Our Civil Law vs Common Law in Legal Translation page sets out the doctrinal mapping in depth.
Which language pairs are most requested by UK law firms?
UK law firms most frequently request Arabic, Russian, Mandarin, French, German, Spanish, and Polish for litigation and disclosure work, with Portuguese, Italian, Farsi, and Turkish rising through sanctions and cross-border enforcement matters. The most-requested pairs include:
- 01
Arabic legal translation for GCC contracts and enforcement
- 02
Spanish legal translation for Latin American matters
- 03
German legal translation for cross-border M&A
- 04
Polish legal translation for private client and litigation
- 05
Italian legal translation for probate and commercial disputes
What legal interpreting services do law firms use?
Law firms use four legal interpreting service modes: consecutive interpreting for client conferences and witness proofing, simultaneous interpreting for hearings and arbitration, telephone interpreting for urgent instruction calls, and video remote interpreting for cross-border depositions. Every interpreter carries CIOL or ITI credentials and operates under a signed NDA. Qualified interpreters are available around the clock in hundreds of languages, which means that an urgent instruction — however unsociable the hour — can be staffed without delay.
Telephone and video remote interpreting are particularly well-suited to client intake and consultations, internal legal discussions, and follow-up meetings or interviews where in-person attendance is impractical. These modes eliminate travel time from the critical path of a matter while preserving the accuracy and privilege protections of an in-person session. Video remote sessions are conducted over encrypted channels, ensuring that privileged communications remain confidential throughout.
How are court and deposition interpreters vetted?
Court and deposition interpreters are vetted against a structured criteria set: CIOL or ITI membership, DPSI Law qualification, a minimum of five years’ court experience, demonstrated subject-matter competence in the relevant area of law, and a signed NDA before any briefing material is shared. NRPSI registration is the recognised national standard for public service interpreting in the UK, and our court interpreters hold that registration as a baseline requirement. Counsel-approved glossaries are prepared in advance of each hearing so that specialist terminology is handled consistently from the first session onward.
Which certifications and accreditations should a legal translation partner hold?
A legal translation partner should hold ISO 17100:2015 for translation service quality, ISO 27001 for information security, ATC membership for UK translation industry compliance, and translator credentials from the Institute of Translation and Interpreting or the Chartered Institute of Linguists. ISO 17100 is the most operationally significant standard for law firms because it mandates translator qualifications, a mandatory revision step carried out by a second linguist, and documented project management — controls that directly determine whether a translated document will withstand challenge in proceedings. Our accreditation stack covers ISO 17100, ISO 9001, ISO 27001, and ISO 20771, the specialist legal translation standard that attests to subject-matter depth as well as process quality.
ISO 9001 governs the broader quality management system within which translation production sits, ensuring that process consistency is maintained across every project regardless of language pair or matter type. ISO 20771 adds a legal-specific layer of assurance that goes beyond generic translation quality, confirming that linguists and workflows meet the particular demands of legal subject matter. Together, these accreditations give procurement leads and in-house counsel an objective, auditable basis for vendor approval.
| Accreditation | What it certifies | What it does not cover |
|---|---|---|
| ISO 17100:2015 | Translator qualifications, mandatory second-linguist revision, documented PM | Raw machine translation output |
| ISO 20771 | Legal-specific translation quality and subject-matter competence | General commercial translation workflows |
| ISO 27001 | Information security management | Translation linguistic quality |
| ISO 9001 | Overarching quality management system and process consistency | Language-specific or legal-specific QA |
| ATC membership | UK translation industry compliance and code of conduct | Individual translator credentials |
| ITI / CIOL | Individual translator and interpreter accreditation | Company-level QA controls |
How do law firms choose the best certified legal translation services in the UK?
Law firms choose a UK legal translation service against six procurement criteria: ISO 17100 evidence, certification tier fit, per-page and per-word pricing transparency, matter-clock turnaround SLAs, NDA-backed confidentiality, and demonstrated litigation-track retention across top-tier firms. Our services are trusted by 19 of the UK’s top 20 law firms and 7 of the top 10 global law firms — a client base that reflects consistent performance under the scrutiny of the most demanding legal procurement processes in the market. Nine of our top 10 clients have retained us for five years or more, which signals that delivery quality holds up across successive matters, not just at onboarding.
Pricing transparency is a practical filter at the procurement stage. A credible provider publishes per-page and per-word rates rather than requiring a full tender process to surface a number. Our rates start at £30 per page, with per-word pricing of £0.12–£0.18 for common European language pairs, and any rush surcharge of 25–50% is disclosed at the point of quoting. Framework agreements negotiated on annual volume allow firms to reduce unit rates and eliminate per-instruction administration overhead.
What proof points signal a court-ready provider?
Court-ready providers evidence four specific proof points: a named ISO 17100 scope certificate, a published Certificate of Accuracy template, a disclosed two-linguist workflow, and client references from SRA-regulated firms or Magic Circle instruction. Each of these is verifiable in writing before a firm commits, and a provider that cannot produce all four on request should not be considered for litigation-grade or court-filed work. The two-linguist workflow is particularly critical because it is the mechanism by which ISO 17100 ensures that no error in the primary translation reaches the delivered document unchecked.
How do specialist providers compare against generalist agencies and in-house tools?
Specialist legal translation partners consistently outperform generalist agencies and in-house tools on legal-linguist selection, ISO 17100 QA evidence, court-accepted certification, and NDA-backed confidentiality — controls that a generalist cannot evidence when admissibility is challenged. In-house tools, including AI-assisted platforms, are useful for internal drafts and preliminary review but do not produce the signed Certificate of Accuracy required by HMCTS, the Home Office, or foreign courts. The gap between a tool-assisted draft and a court-filed certified translation is a compliance gap, not merely a quality preference.
Legal translation starts at £30 per page or £0.12–£0.18 per word for common European legal pairs such as French, German, Spanish, Polish, and Italian into English. Longer certified documents — a standard disclosure pack or commercial contract — typically fall in an £80–£150 band depending on language pair and certification tier. Rush delivery attracts a 25–50% surcharge, and same-day service for documents under 1,000 words submitted before 11:00 GMT is available with delivery before 17:00 GMT. Framework agreements negotiated on annual volume reduce unit rates and eliminate per-instruction administration overhead for high-volume firms.
Frequently asked questions
How much do professional translation services typically cost?
Professional translation services for law firms and other organisations are typically priced per source word, with UK market rates ranging from around £0.10 to £0.25 per word depending on language pair, subject matter and turnaround. Legal, financial and life-sciences content sits at the higher end due to specialist terminology and the compliance requirements of an ISO 17100 translate-edit-proofread workflow. Volume pricing, framework agreements and retainers reduce the per-word rate significantly for recurring content. Project minimums commonly apply for small one-off documents.
How much do translation services cost in the UK?
In the UK, business translation is most commonly charged at £0.10–£0.22 per source word for standard language pairs such as French, German or Spanish into English. Rare languages, highly technical legal content or urgent turnarounds attract premiums of 25–50% or more. Organisations procuring at volume — through purchase orders, framework agreements or retainers — typically negotiate lower per-word rates and benefit from translation memory leverage, which reduces costs on repeated or updated documents over time.
How much does it cost to translate a legal document?
Translating a legal document in the UK typically costs between £0.12 and £0.25 per source word, reflecting the specialist terminology, liability exposure and mandatory review stages involved. A standard contract of 5,000 words might therefore cost £600–£1,250. Certified or sworn translation for use in legal proceedings or with public authorities may carry additional fees. For law firms with recurring output — court bundles, NDAs, transaction documents — framework pricing and translation memory leverage materially reduce unit costs over time.
How much does a certified translation cost in the UK?
Certified translation in the UK is typically priced at £0.15–£0.30 per source word, with a project minimum often in the range of £50–£120 for short documents such as certificates or statutory declarations. The fee covers the translator’s statement of accuracy and competence that accompanies the translated document. For corporate and legal clients procuring certified translations regularly — immigration casework, cross-border transactions, regulatory submissions — volume agreements bring the unit rate down considerably compared with one-off pricing.
How do I translate a legal document?
Legal documents should be translated by a qualified specialist using a quality-assured workflow — ideally ISO 17100-compliant translate-edit-proofread — to ensure accuracy, consistency and defensibility. The process involves a subject-matter-specialist translator, an independent editor, and a proofreader, supported by a termbase and translation memory to enforce terminology consistency across a matter or portfolio. For use in courts, regulatory submissions or cross-border transactions, the translation should be accompanied by a signed certification of accuracy. Attempting to use machine translation or bilingual staff without review introduces unacceptable legal and reputational risk.
Who can certify translation in the UK?
In the UK, any professional translator — or the language service provider employing them — can certify a translation by signing a statement confirming it is accurate and complete to the best of their knowledge. There is no single statutory body that licences certified translators, but recognised professional memberships such as the Chartered Institute of Linguists (CIOL) or Institute of Translation and Interpreting (ITI) signal verified competence. Some authorities and courts specify additional requirements, such as a notarised statement or a translator who is a member of a named body, so requirements should be confirmed with the receiving authority.
Can anyone do a certified translation?
Technically any bilingual individual can produce a certified translation in the UK, but receiving authorities — courts, the Home Office, HMRC, foreign embassies — typically require the certifier to be a professional translator, often a member of CIOL or ITI, or a recognised language service provider. A self-certification by a party with an interest in the document (e.g. the applicant themselves) is routinely rejected. For law firms, using an ISO 17100-compliant provider with documented translator credentials provides the audit trail needed to satisfy regulatory and court requirements.
Can I certify my own translation?
In the UK you cannot certify your own translation if you have a personal interest in the document — courts, the Home Office and most public authorities will reject such submissions. Even if you are a qualified translator, certifying a document relating to your own affairs creates a conflict of interest that invalidates the certification. Law firms and their clients should commission certified translations from an independent, professionally qualified provider to ensure the document is accepted by the receiving authority without challenge or delay.
How can I translate and legalise documents in the UK?
To translate and legalise a document in the UK you typically need two separate steps: a certified translation by a qualified language service provider, followed by legalisation of the original (or the translation) through the FCDO Legalisation Office, which issues an Apostille under the Hague Convention. For countries that are not Hague Convention signatories, full consular legalisation is required instead. Law firms managing cross-border transactions or international litigation should coordinate both steps early, as FCDO processing times can run from a few days to several weeks depending on the service level selected.
Is ChatGPT a good translator?
ChatGPT and similar large language models are not reliable for professional legal translation without expert human review. While they can produce fluent-sounding output, they regularly mistranslate technical legal terms, miss jurisdictional nuance and hallucinate content — errors that carry serious liability in contracts, court documents or regulatory filings. An ISO 17100 workflow with specialist translators, terminological controls and independent editing is the defensible standard for law firms. AI-assisted translation tools integrated within a TMS, with human post-editing, can offer efficiency gains on appropriate content types while maintaining quality accountability.
Is AI replacing translator jobs?
AI is reshaping rather than replacing professional translation, particularly in legal and regulated sectors. Machine translation and AI tools are increasingly used for first-draft production or high-volume low-risk content, but the translate-edit-proofread model required by ISO 17100 — and expected by courts, regulators and sophisticated legal clients — still depends on qualified human translators. Specialist legal, financial and life-sciences translation demands subject-matter expertise, jurisdictional knowledge and accountability that current AI cannot reliably provide. The practical result for law firms is faster turnaround on some content types, not the elimination of specialist linguists.
How much do translators charge per hour in the UK?
Most professional translators working on business and legal content in the UK charge by the word rather than by the hour, but where hourly rates apply — for revision, consulting or interpreting-adjacent tasks — they typically range from £40 to £90 per hour depending on specialism and language pair. Legal and technical translators with rare language expertise or sworn-translator status command rates at the upper end of that range. For law firms, per-word or per-project pricing via a language service provider is generally more predictable and easier to budget than hourly arrangements.
Related pages
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Frequently asked questions
How much do professional translation services typically cost?+
How much do translation services cost in the UK?+
How much does it cost to translate a legal document?+
How much does a certified translation cost in the UK?+
How do I translate a legal document?+
Who can certify translation in the UK?+
Can anyone do a certified translation?+
Can I certify my own translation?+
How can I translate and legalise documents in the UK?+
Is ChatGPT a good translator?+
Is AI replacing translator jobs?+
How much do translators charge per hour in the UK?+
How much do professional translation services typically cost?+
How much do translation services cost in the UK?+
How much does it cost to translate a legal document?+
How much does a certified translation cost in the UK?+
How do I translate a legal document?+
Who can certify translation in the UK?+
Can anyone do a certified translation?+
Can I certify my own translation?+
How can I translate and legalise documents in the UK?+
Is ChatGPT a good translator?+
Is AI replacing translator jobs?+
How much do translators charge per hour in the UK?+
What are translation services for law firms?+
Which legal documents can be translated for law firms?+
What is a certified legal translation and when do law firms need one?+
What is the difference between certified, sworn, notarised, and apostilled translations?+
How much do legal translation services cost for UK law firms?+
Do legal translation services offer urgent or same-day delivery?+
How do we ensure accuracy and confidentiality in legal translation?+
Can AI or machine translation be used for legal documents?+
What languages and jurisdictions do we cover for law firms?+
What legal interpreting services do law firms use?+
Which certifications and accreditations should a legal translation partner hold?+
How do law firms choose the best certified legal translation services in the UK?+
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