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English Translation Services

Professional English translation for business, academic, legal, and technical documents. Native-speaking linguists delivering publication-ready content in 120+ language pairs.

★★★★★ 4.9/5 20+ years 120+ languages ISO 9001

English is the undisputed language of global business, science, and diplomacy. Over 1.5 billion people use English worldwide, and it serves as the official or working language of international organizations, multinational corporations, and academic institutions across every continent. When your documents need to reach the widest possible audience, English is the gateway.

Yet the apparent simplicity of English masks significant challenges for translation. Subtle differences between British, American, and Australian English can confuse audiences or undermine credibility. Legal English relies on centuries of common-law precedent with terminology that has no direct equivalent in civil-law systems. Academic English demands adherence to strict style guides like APA, Chicago, or Harvard. Machine translation often produces grammatically correct but stylistically flat output that fails to convey professional authority or persuasive nuance.

At iTrex, our English translation team includes native speakers from the UK, US, Canada, and Australia, each specializing in their regional variant and professional domain. Whether you need a technical manual localized for the American market, a legal contract drafted in British English, or a research paper polished for a Nature submission, our linguists deliver translations that read as if they were originally written in English.

Key Features

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British & American English

We match the correct English variant to your target market — US, UK, Australian, or international English — with consistent spelling, grammar, and style conventions.

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Academic & Research

Research papers, dissertations, journal articles, and grant proposals translated to meet the standards of top-tier English-language academic publishers and institutions.

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Legal & Compliance

Contracts, court filings, regulatory submissions, and compliance documentation translated with precise common-law and civil-law terminology for English-speaking jurisdictions.

Try Before You Pay

Request a free trial translation — up to 1 page. Evaluate our quality with no obligation.

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When You Need This

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Global Business Expansion

A European manufacturer translates its corporate website, product catalogs, and investor presentations into English to attract US and UK clients and partners.

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Academic Publishing

A university research team translates peer-reviewed papers from their native language into English for submission to high-impact journals such as Nature, The Lancet, and IEEE.

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Legal & Immigration

An immigration law firm translates birth certificates, diplomas, financial statements, and police clearances into English for visa and green card applications across US, UK, Canada, and Australia.

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Software & Technical Docs

A SaaS company translates its user interface, help center, API documentation, and release notes into English to serve its international customer base.

How We Work

1

Send your document

Upload your file or describe the task

2

Get a quote

We estimate cost and timeline within 15 minutes

3

Receive your translation

Completed translation on time with quality guarantee

Our Guarantees

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ISO 9001 & EN 15038

International quality management and translation standard certifications. Every project undergoes 3-stage quality control.

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Confidentiality & NDA

We sign NDA with every translator. Your documents are protected by a non-disclosure agreement.

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Free Revisions

Free revisions within 14 days after delivery. We work until you are fully satisfied.

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Deadline Guarantee

We meet agreed deadlines. If we are late — 10% discount on your next order.

What Our Clients Say

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When we acquired a company in Brazil, iTrex translated the full due diligence package — shareholder agreements, financial audits, and regulatory filings — from Portuguese into English and French. Their legal translators caught nuances in Brazilian corporate law that a generalist agency would have missed.
Catherine Dubois Corporate Counsel, Meridian Ventures
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We localized our SaaS platform into 12 languages with iTrex, including UI strings, help documentation, and API error messages. They worked natively with our .json and .xliff files, which meant no reformatting on our end and a smooth integration with our CI/CD pipeline.
Martin Lindqvist Localization Lead, CloudSync Software
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iTrex has been our translation partner for two years, handling proposals, pitch decks, and product specifications in nine languages. What I appreciate most is their consistency — the same terminology and tone across every document, even when we request fast turnarounds for trade shows.
Lisa Jorgensen VP of International Sales, Nordic Packaging Group

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Send your document — we will estimate cost and timeline within 15 minutes

Frequently Asked Questions

What is the difference between British and American English?
British and American English differ in spelling (colour vs. color, organise vs. organize), vocabulary (lift vs. elevator, lorry vs. truck), grammar (have got vs. have gotten), and date formats (DD/MM vs. MM/DD). Using the wrong variant for your audience signals a lack of attention to detail and can undermine trust, especially in legal and business contexts.
Do you use native English translators?
Yes, all our English translators are native speakers from the UK, US, Canada, or Australia. Each translator works exclusively into their native variant and holds subject-matter qualifications in fields such as law, medicine, engineering, or finance. This ensures translations that read naturally and meet professional standards.
How long does English translation take?
Standard turnaround is 2,500-3,500 words per business day, depending on document complexity. Rush service is available for urgent projects, with delivery possible within 24 hours for shorter documents. For large-volume projects, we assemble dedicated teams to meet tight deadlines while maintaining quality through translation memory tools.
Can you translate academic papers for journal submission?
Yes, we specialize in academic translation for journal submission. Our translators are familiar with the style guides of major publishers (APA, Chicago, Harvard, Vancouver) and the specific requirements of journals in fields such as medicine, engineering, social sciences, and humanities. We also offer post-translation proofreading to ensure publication readiness.
Do you provide certified English translations?
Yes, we provide certified English translations accepted by courts, immigration authorities, universities, and government agencies in the US, UK, Canada, Australia, and internationally. All certified translations include a statement of accuracy, the translator's credentials, and notarization or apostille services where required.

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