Certified Translations UK

Certified translation service

Technical Translation Services

Manuals, datasheets, engineering and safety documentation.

What are technical translation services?

Technical translation services convert engineering, IT, scientific and regulatory documents from one language to another using subject-matter-expert linguists, translation memory and ISO 17100 second-linguist checks, with a signed certificate of accuracy issued for every certified job.

How much do technical translation services cost in the UK?

Technical translation services in the UK cost £0.10–£0.20 per word certified, or £80–£150 per standard 250-word document, with language-pair rarity, subject complexity, document length beyond 250 words and urgency moving the final quote within that band.

How long does a technical translation project take?

Standard technical translation takes 2–3 working days, with 24 hours for single files under 1,000 words, 2–4 working days for 1,000–5,000 words, and 5–10 working days for regulatory dossiers above 20,000 words; same-day and weekend delivery are available at a 30–50% surcharge.

What makes technical translation difficult and specialised?

Technical translation is difficult because it combines dense terminology, jargon and abbreviations, precise units and tolerances, safety-critical warnings, rev-controlled source files, and regulator-facing formats that reject any linguistic drift between revisions.

Which documents do technical translation services translate?

Technical translation services translate 10 core document types: user manuals, service and maintenance manuals, technical datasheets, engineering specifications, patents, MSDS and safety sheets, IFUs for medical devices, MDR/IVDR technical files, software strings and UI, and training materials.

Can AI or machine translation be used for technical translation?

AI and machine translation can draft technical content but cannot be used alone for regulator-facing documents; the accepted UK workflow is machine translation post-editing (MTPE) by an ISO 17100 subject-matter expert, with human-only translation required for safety-critical, patent and MDR/IVDR content.

Technical Translation Services is a certified translation service for engineering, IT, scientific and regulatory documents, produced by subject-matter-expert linguists under an ISO 17100 workflow and issued with a signed certificate of accuracy on company letterhead.

What are technical translation services?

Technical translation services convert engineering, IT, scientific and regulatory documents from one language to another using subject-matter-expert linguists, translation memory and ISO 17100 second-linguist checks, with a signed certificate of accuracy issued for every certified job.

A technical translation project pairs a qualified technical translator with a locked glossary and a translation memory. A second linguist proofreads every segment. The output is a high-quality translation ready for regulator submission, print or product release.

How is technical translation different from general document translation?

Technical translation differs from general document translation because it demands controlled terminology, unit and tolerance accuracy, and a translator qualified in the underlying discipline — not just linguistic fluency.

AttributeGeneral document translationTechnical document translation
Translator profileGeneralist linguistSubject-matter expert linguist
Terminology controlSentence-level judgementLocked glossary + translation memory
Units and tolerancesRarely criticalSafety-critical; SI conversions verified
QCSingle-pass proofreadISO 17100 second-linguist review
OutputReadable proseRegulator-facing, rev-controlled

Which technical sectors do UK technical translation services cover?

UK technical translation services cover 8 core sectors, each assigned to a linguist with a matching subject background. Each technical sector is served by named specialise-trained linguists.

  1. Engineering — specifications, drawings, tender documents.
  2. Manufacturing — SOPs, quality manuals, ISO 9001 procedures.
  3. Automotive — service manuals, parts catalogues, homologation files.
  4. IT and software — UI strings, API documentation, help systems.
  5. Energy — offshore, renewables, HSE reports.
  6. Medical devices — IFUs, MDR technical files.
  7. Pharmaceuticals — SmPCs, CMC dossiers.
  8. Defence — technical specifications and controlled documents.

How much do technical translation services cost in the UK?

Technical translation services in the UK cost £0.10–£0.20 per word certified, or £80–£150 per standard 250-word document. Language-pair rarity, subject complexity, document length beyond 250 words and urgency move the final quote inside that band.

Pricing basisRateNotes
Per word (certified)£0.10–£0.20Applied to longer technical translations
Per 250-word document£80–£150Fixed price for shorter files
Urgency surcharge+30–50%Same-day or weekend delivery
Certificate of accuracyIncludedSigned on company letterhead

What drives the price of a technical translation quote?

Four factors drive a technical translation quote: language-pair rarity, subject-matter complexity, document length beyond 250 words, and urgency. Same-day or weekend delivery adds a 30–50% surcharge.

How much should I pay for technical translation — and when is a low price a red flag?

Expect to pay £0.10–£0.20 per word or £80–£150 per 250-word document for certified technical translation in the UK. Prices materially below £0.08 per word usually indicate unqualified translators whose work risks rejection by regulators.

Professional translation services quoted at unrealistic rates rarely include ISO 17100 second-linguist QC, translation memory governance or a signed certificate of accuracy — the three controls that make the translation defensible.

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How long does a technical translation project take?

Standard technical translation takes 2–3 working days for the majority of projects — enough time to complete a full ISO 17100 workflow including SME translation and independent second-linguist QC. Shorter documents of under 1,000 words are routinely delivered in 2–3 working days, while larger volumes follow a tiered schedule based on word count. Same-day and weekend delivery are available at a 30–50% urgency surcharge, and our teams are experienced in managing complex projects against tight deadlines without sacrificing accuracy.

Turnaround is calculated from the moment a confirmed brief is received, not from initial enquiry. For large regulatory dossiers — such as MDR or IVDR submissions exceeding 20,000 words — a phased delivery plan is available so your team can begin internal review before the final package is complete. Every project, regardless of volume, is delivered with a signed certificate of accuracy at no additional charge.

Volume bandTurnaroundTypical document
Under 1,000 words24 hoursDatasheet, short SOP
Standard job2–3 working daysUser manual section
1,000–5,000 words2–4 working daysFull manual or specification
20,000+ words5–10 working daysMDR/IVDR dossier

What makes technical translation difficult and specialised?

Technical translation is difficult because it combines dense terminology, jargon and abbreviations, precise units and tolerances, safety-critical warnings, rev-controlled source files, and regulator-facing formats that reject any linguistic drift between revisions.

A linguistic slip on a tolerance, a torque value or a warning label can trigger a product recall. That is why every technical translator on a project holds documented technical knowledge in the source discipline.

How do translation memory and glossaries lock technical terminology?

Translation memory stores every previously approved segment, while a client-specific glossary locks preferred terms. The same bolt, warning label or software string is rendered identically across every manual, datasheet and SOP revision.

  1. Extract the source glossary from legacy manuals and technical specifications.
  2. Client-side approval of preferred terms per target language.
  3. Import the approved glossary into the translation memory.
  4. Enforce term matches at segment level during translation.
  5. Lock updates so terminology is used correctly across future revisions.

How does ISO 17100 quality assurance apply to technical documents?

Under ISO 17100 every technical translation is produced by a qualified linguist and reviewed by a second, independent linguist who checks terminology, units, tolerances, safety warnings and formatting before the signed certificate of accuracy is issued.

Which documents do technical translation services translate?

Technical translation services translate 10 core document types across engineering, IT, manufacturing and regulatory workflows.

Can AI or machine translation be used for technical translation?

AI and machine translation can draft technical content but cannot be used alone for regulator-facing documents. The accepted UK workflow is machine translation post-editing (MTPE) by an ISO 17100 subject-matter expert, with human translation required for safety-critical, patent and MDR/IVDR content.

Document typeMTPE accepted?UK regulator view
Internal manualYesAcceptable with human edit
Marketing brochureYesAcceptable
UKCA / CE technical fileHuman-edited onlyMHRA / market surveillance
Safety warnings (HSE)No — human onlyRejected if unedited AI
Patent filingNo — human onlyRejected if unedited AI
MDR/IVDR filesNo — human onlyRejected if unedited AI
Home Office submissionNo — human onlyRejected if unedited AI

When is machine translation post-editing (MTPE) acceptable?

MTPE is acceptable for internal manuals, high-volume repetitive content and draft passes on non-regulated technical documents. A qualified linguist edits every segment and a second linguist signs off under ISO 17100.

How accurate is ChatGPT as a technical translator?

ChatGPT produces fluent draft output but is not accurate enough for certified technical translation. It hallucinates units, drops safety warnings and cannot guarantee terminology consistency across revisions. UK regulators do not accept unedited AI translations for submission.

Which AI is best for technical translation drafts?

For internal drafts, DeepL and Google Translate outperform general chatbots on technical prose. Every AI-drafted segment still needs a qualified human technical translator to verify terminology, units and safety content before delivery.

Do you provide certified, notarised or apostilled technical translation?

Every technical translation we deliver is issued as a certified translation complete with a signed certificate of accuracy on company letterhead — included at no extra cost. The certificate confirms that the translation is accurate and complete to the best of the qualified linguist's knowledge, and is accepted by the Home Office, UKVI, HMCTS, MHRA, UK universities, and market surveillance bodies for both UKCA and CE-marked products. Our translators are subject-matter experts who translate into their native language, which is the qualification standard that regulatory bodies expect.

Where a submission requires additional authentication, notarisation by a UK solicitor and FCDO apostille are available on request. These tiers are commonly required for patent filings, overseas embassy submissions, and regulatory dossiers destined for Hague Convention countries. We co-ordinate the full chain — certified translation, notarisation and apostille — so you deal with one point of contact rather than managing multiple suppliers.

TierWhat it isWho accepts it
Certified translationSigned statement of accuracy by a qualified subject-matter linguistHome Office, UKVI, HMCTS, MHRA, UK universities, UKCA / CE market surveillance
Notarised translationSolicitor witnesses the translator's signatureOverseas submissions, some embassy filings
Apostilled translationFCDO authentication appended to the notarised documentHague Convention countries
Sworn translationNot a recognised UK legal categoryUK regulators rely on certified translations by CIOL/ITI-qualified members

How do you choose the right technical translation service?

Choose a technical translation service on 6 criteria: ISO 17100 certification, subject-matter-expert translator assignment, translation memory and glossary governance, second-linguist QC, transparent GBP pricing, and a signed certificate of accuracy included in every job.

  1. ISO 17100 certification with a documented second-linguist step.
  2. Subject-matter-expert linguists in your technical sector.
  3. Translation memory and glossary governance across revisions.
  4. Transparent pricing quoted in GBP per word or per document.
  5. Signed certificate of accuracy at no extra cost.
  6. GDPR-compliant handling with NDAs on request.

Do your translators have technical backgrounds and translate into their native language?

Every technical translator holds a qualification or documented industry experience in the subject area and translates only into their native language. The finished document reads as if it was authored in the target market by a native speaker.

How do you handle confidentiality, GDPR and data security?

Technical files are handled under a GDPR-compliant workflow with signed NDAs available on request, encrypted transfer, restricted-access project folders and permanent deletion on request after delivery. UK GDPR and the Data Protection Act 2018 apply to every project.

What is the process for a technical translation project?

Free quote: Submit source files, target languages and your deadline. A fixed GBP price and confirmed turnaround are returned the same working day.

SME assignment: A technical translator with proven expertise in your subject area — engineering, IT, life sciences, manufacturing or regulatory — is matched to the project.

TM and glossary preparation: Approved terminology and any existing translation memory are loaded into the CAT environment before work begins.

First-pass translation: The qualified linguist produces the full translation, applying domain-specific knowledge to every term, tolerance and instruction.

ISO 17100 QC: An independent second linguist proofreads every segment, checking technical accuracy, consistency and compliance with the brief.

Delivery: Final files are delivered in the required format alongside a signed certificate of accuracy on company letterhead, included at no extra cost.

What languages do your technical translation services support?

Our technical translation services cover more than 150 languages, spanning all major European, Asian, Middle Eastern and African language pairs. Every language combination is handled by a translator who is a native speaker of the target language and a subject-matter expert in the relevant technical discipline — because fluency alone is not sufficient for engineering, manufacturing or regulatory content.

The most frequently requested language pairs for UK businesses include German, French, Spanish, Italian, Polish, Mandarin, Japanese, Arabic and Portuguese, reflecting the principal export and compliance markets our clients serve. For less common combinations — including regional languages and dialects relevant to emerging markets — specialist linguists are available across the full range we support.

Language pair availability is confirmed at the quoting stage, along with the assigned translator's subject-area credentials. If your project spans multiple target languages simultaneously, we co-ordinate parallel translation workstreams so that all language versions are delivered to the same deadline and quality standard.

Why are technical translation services important for UK businesses?

Technical translation services allow UK businesses to export products, submit regulatory dossiers and distribute safety documentation into overseas markets without introducing legal, safety or commercial risk. A single mistranslated warning label, an incorrect tolerance value or a misrendered unit conversion can trigger a UKCA or CE rejection, precipitate a costly product recall, or create an HSE-reportable incident. Accurate technical translation is not a convenience — it is a compliance requirement in most regulated industries.

Beyond regulatory risk, technical accuracy directly affects how end users interact with a product. Maintenance engineers, machine operators and clinical staff rely on translated manuals, SOPs and safety data sheets to perform critical tasks. Ambiguity or error in those documents does not stay on the page — it propagates into the workplace. A professional technical translation service eliminates that risk by assigning translators who are subject-matter experts in the source discipline and native speakers of the target language, ensuring that technical intent is preserved at every level of the document.

For UK manufacturers and exporters, the commercial case is equally clear. Buyers in Germany, Japan, the Gulf or Latin America are more likely to proceed with a supplier whose documentation is precise, complete and appropriately certified. Providing translated and certified technical documentation demonstrates product confidence and accelerates purchasing decisions. Our ISO 17100 workflow and signed certificates of accuracy give your international customers and their compliance teams the assurance they need to move forward.

How do I get a technical translation quote?

Requesting a free technical translation quote takes only a few minutes. Send us your source files, confirm the target languages you need and indicate your deadline — we return a fixed GBP price and confirmed turnaround the same working day. There are no hidden fees: the price quoted covers SME translation, ISO 17100 second-linguist QC and a signed certificate of accuracy on company letterhead.

Our team is available to discuss your project before you commit. If you are unsure which certification tier your submission requires, or whether a same-day or phased delivery schedule is appropriate for your volume, our technical translation specialists can advise at no obligation. For certified, notarised or apostilled requirements, we co-ordinate the full process on your behalf.

Pricing is based on the language pair, subject complexity, document length and delivery urgency. As a guide, certified technical translation is priced at £0.10–£0.20 per word, with a typical 250-word document falling in the £80–£150 range. Same-day or weekend delivery carries a 30–50% surcharge. All pricing is confirmed upfront before any work begins.

Frequently asked questions

How much should I pay for translation services?

For certified technical translation in the UK, expect to pay £0.10–£0.20 per word depending on the language pair and subject matter. Short personal documents such as birth certificates, marriage certificates, diplomas and passports are typically quoted at a fixed rate starting from £25 per document. Large or highly specialised technical, legal or regulatory projects are priced individually. Standard turnaround is 2–3 working days, with same-day or weekend delivery available at a 30–50% surcharge. A signed certificate of accuracy is included at no extra cost.

What is technical translation?

Technical translation is the translation of specialised documents — such as engineering manuals, scientific reports, regulatory filings, medical instructions, patents and IT documentation — that require subject-matter expertise as well as linguistic skill. A competent technical translator must understand the terminology of the relevant field, not just the language, to avoid errors that could have serious practical or legal consequences. Under ISO 17100 standards, every technical translation is reviewed by a second qualified linguist to ensure accuracy, consistency and correct use of industry-specific terminology.

How much do professional translation services typically cost?

Professional certified translation in the UK is typically priced at £0.10–£0.20 per word, varying by language pair and technical complexity. Single personal documents — birth certificates, passports, diplomas, IDs — start from £25 per document on a fixed-price basis. Standard turnaround is 2–3 working days; urgent same-day or weekend delivery carries a 30–50% surcharge. Complex technical, legal or regulatory projects are quoted individually, as volume, subject specialism and formatting requirements all affect the final price.

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