Leading Translation Agency in London – Trusted by Businesses Worldwide
Get a quoteA London-Based Translation Agency with Global Reach
Brightlines Translation is a leading London translation agency providing expert multilingual translation services to businesses across the capital and beyond. Established in 1999, we have grown into an international organisation with offices in the UK and New York, working with a worldwide network of expert linguists and sector specialists. Whether you're a global corporation, a fast-growing London-based business, or an SME expanding into new markets, no translation project is too complex for our team.
Expert Translation Services for London Businesses
We offer professional translation services in London to a wide range of industries, from global brands with international operations to niche companies targeting overseas markets. With over 20 years of experience, we combine linguistic expertise with in-depth industry knowledge to ensure every project is completed to the highest standard. Our London clients trust us to deliver precise, culturally relevant translations that support their international growth.
Helping London Companies Communicate Globally
As a trusted London translation company, we know that translation is about more than just converting words into another language. It’s about localisation and transcreation—the process of adapting content so that it resonates with different cultures while preserving its original intent. Whether you're in marketing, finance, manufacturing, or the creative industries, we help London businesses connect with global audiences without losing impact or clarity.
Specialist Translation Services in London
Precise and professional translation of financial reports, scientific papers, technical manuals, and legal contracts, ensuring accuracy and compliance for London-based businesses operating internationally.
London is a major hub for law firms and corporate legal teams, requiring expert translation of contracts, litigation documents, patents, and compliance materials. Our legal translators ensure complete accuracy and confidentiality.
Expanding your business internationally? With 60% of global consumers avoiding English-only websites, our website translation services help London companies engage international audiences effectively.
Achieving global visibility requires more than direct translation. We optimise London-based businesses for international search engines, using culturally relevant keywords and localisation strategies.
Professional formatting is crucial for translated documents. Our multilingual desktop publishing services ensure your London business’s materials are visually appealing, consistent, and ready for global distribution.
London’s booming media and corporate industries rely on high-quality voice-over services. Our professional native-speaking artists provide multilingual voiceovers for videos, training materials, and marketing content.
London’s creative sector thrives on impactful messaging. Our transcreation services adapt marketing, branding, and advertising content to maintain its emotional and cultural appeal in any language.
With London a global centre for media production, high-quality subtitle translation is essential for reaching international audiences. We provide expertly timed, accurate subtitles for all types of video content.
For internal documents or quick reference, our AI-powered machine translation delivers fast, cost-effective results. For improved accuracy, we offer human post-editing to refine machine-generated translations.
Sectors
London is a hub for advanced engineering and manufacturing, with global firms relying on precise technical communication. Our expert translators ensure accurate translation of technical manuals, product specifications, and compliance documents for international markets.
As a world-leading financial centre, London’s banks, investment firms, and fintech companies need flawless multilingual communication. We translate financial reports, regulatory documents, and investor communications with complete accuracy and confidentiality.
London is home to top medical institutions, pharmaceutical firms, and biotech companies that require precise translation of clinical trials, medical research, and patient information. Our specialists ensure medical terminology is correctly translated for international compliance.
Creative industries thrive in the capital, and brands must engage international audiences with culturally adapted messaging. Our transcreation experts refine advertising campaigns, digital content, and brand communications to maintain impact across multiple languages.
We support a broad range of industries beyond our key specialisms. From education and government to technology and legal services, our sector-specific translators deliver high-quality, industry-relevant translations tailored to each client.
Home to major publishing houses and global media brands, the UK produces content that needs to connect with international audiences. Our linguists translate books, magazines, and digital media while preserving tone, style, and meaning.
With millions of visitors arriving every year, the travel and tourism sector relies on multilingual communication. We translate travel guides, hotel websites, and promotional materials to attract and inform international travellers effectively.
Our translation services - FAQ
How much does translation cost?
The cost of your translation depends on a variety of factors including the content, the source files, the languages requested and the turnaround time required. The easiest way to get an idea of costs is to fill out our translation services quote form, giving as much information as possible. As soon as your quote request is received, we’ll put some prices together for you. If we need more information, we will contact you to make sure we are giving you the best options.
Which languages do you translate into and which are most popular?
As a leading B2B and B2C language service provider for over 20 years, we have 1000s of tried and tested top-level translators and writers worldwide ready to help you inform, educate or sell across the globe. We handle all the worlds commercial languages, including:
What do I need to get a quote for translation services?
You’ll need to send us your documents, your website URL or an estimated word count to get a cost for any of our translation services. We also need to know the languages you require, such as English to French or German to Spanish. For some languages like Chinese, we would also need to know the target market. Finally let us know your desired delivery format, i.e. InDesign, PDF, Word doc, subtitles, and so on. If you require further services such as typesetting, we will need sight of the original document for an accurate quote.
How do we start a translation project?
Once you’re happy with our costs and would like to go ahead, an assigned account manager will start your translation project. After a 50% deposit invoice has been paid, you will be asked to send the latest files for the project. It is also helpful to have reference materials such as PDFs, tone of voice, specific terminology or glossaries if available. Timescales will be discussed and confirmed. Now relax, your translation project will be underway and delivered on time and on budget with an account manager keeping you in the loop.
What is the usual turnaround time for translation projects?
This depends on numerous factors, but the mains ones are: The word count. The format. The subject matter. The translation services requested. Common time scales are: Translation: 2000-2500 words per day Proofreading: 4000-6000 words a day Your quote will give an exact delivery date.
Do you use professional translators or machine translation?
We only ever use professional translators on translation projects, unless you have specifically requested our machine translation services. Our professional translators are highly qualified, experienced and come with specialist knowledge in their subject, and all translators sit tests before they can work on any of our projects. With over 20 years as a translation services provider, we have brought together some of the most sought after translation professionals for your projects.
London Translation Agency
London has a population of over 9 million people and is internationally renowned as one of the most vibrant and fascinating cities in the world. It is also one of the most multicultural cities on earth, home to an incredibly diverse range of people and cultures. Over 300 languages are spoken in London, making it one of the most linguistically diverse cities globally. 22% of Londoners have a main language other than English, well above the national average. The capital’s ten most spoken foreign languages are Bengali, Polish, Turkish, Gujarati, Punjabi, Urdu, French, Arabic, Tamil, and Portuguese.
As an international hub for business and finance, London relies on multilingual communication to support companies working together across borders. The city also welcomes approximately 40 million visitors each year, reinforcing its status as a leading global destination.
For businesses across sectors such as tourism, healthcare, and media, the ability to communicate in multiple languages is essential. London has a significant demand for translation services to support charities, cultural institutions, and corporate organisations in reaching multilingual audiences. This is particularly critical for public health campaigns, where clear and accurate messaging can have a direct impact on communities.
If you need a translation agency in London, get in touch.
Gemma House, 39 Lilestone Street, London, NW8 8SS