Connect with your clients through translation services in more than 200 languages
The translation agency whose expertise and services help businesses in all sectors trade internationally.
Trusted by leading brands for translation services






The translation company used by leading brands
Kwintessential has a 15-year history of helping companies in every industry get the interpreting and translation services they need in London, across the UK, and globally.
From our London and New York offices, we provide you with the kind of ISO 17100 and ISO 9001-accredited translation services you need for any project.
But many of our clients use us as more than just a translation agency. Because we help bring a wealth of knowledge to any task undertaken, we allow you to create the ideal combination of language services for any project.
Whether it’s a one-off technical translation service, specialist marketing localisation, or an ongoing interpreting service for your company.
Contact us today to request a quote or discuss your project with a member of our expert project management team.
Get ready to experience the same fast turnaround times and high-quality professional translation services used by companies in every market sector in London, the UK, and around the world
Kwintessential offers three main pillars of services
What makes Kwintessential different?

Bespoke solutions

Guaranteed quality

Fast, friendly service

Experienced, qualified linguists
Our 15 years as a global translation agency
- Prompt certified translation, interpreting, and localisation solutions in over 200 languages and all major formats
- Professional, experienced translators backed up by a London-based project management and production team you can talk to at any time
- Request a free quote and we’ll respond within the hour
We were extremely happy with the interpreter assigned to us and we would definitely love to use you again.
The translation services industry in London and the UK
Translation services in the United Kingdom, particularly in its cosmopolitan capital, London, are vital to the country’s socio-economic fabric. This industry has evolved considerably, adapting to the needs of an increasingly globalised world. In London, a city celebrated for its diverse population and linguistic variety, translation services cater to a wide array of sectors, including legal, medical, business, and entertainment.
The UK’s translation industry is distinguished by its professionalism and adherence to high standards. Many translation agencies in the UK are members of professional bodies like the Institute of Translation & Interpreting (ITI) or the Association of Translation Companies (ATC), which set and uphold stringent quality standards. These organisations ensure that translators are not only proficient in their language pairs but also have a deep understanding of cultural nuances and sector-specific terminologies.
Legal translation is a prominent sector in the UK, necessitated by London’s status as a global legal hub. This involves translating legal documents such as contracts, patents, and litigation documents. Accuracy and confidentiality are paramount in this field, and many UK-based translators specialise in legal translations, possessing relevant legal backgrounds or additional qualifications.
The medical translation sector is equally significant, driven by the UK’s prominent role in international healthcare and pharmaceutical industries. Translators in this field work on clinical trial documents, medical reports, and pharmaceutical literature. They play a crucial role in ensuring that medical advancements and healthcare services are accessible across language barriers.
In the realm of business, UK translation services facilitate international trade and communication. From small enterprises to multinational corporations, businesses rely on translators for website localisation, translation of marketing material, and communication with overseas partners or clients. This not only helps break language barriers but also helps understand cultural differences, which is crucial for international business success.
The entertainment industry, particularly in London, also benefits from translation services. Subtitling and dubbing films and TV shows, translating scripts, and localising video games are some of the services offered. This not only helps in exporting UK-based entertainment products but also in importing international content.
Technological advancements have significantly impacted the translation industry in the UK. Computer-assisted translation (CAT) tools, machine translation, and AI have increased efficiency and accuracy, though human expertise remains irreplaceable for nuanced and complex translations. Additionally, the rise of remote working models and digital platforms has enabled UK translation services to cater to clients worldwide more easily.
Despite these advancements, the industry faces challenges. The post-Brexit landscape has brought about regulatory changes and uncertainty, affecting language service providers. Moreover, the demand for rare language pairs or specialised translations can pose recruitment challenges.
Translation services in London and the UK, are a dynamic and essential sector. They are crucial in bridging linguistic and cultural gaps, facilitating international relations, and supporting various industries. The emphasis on quality, adherence to ethical standards, and the incorporation of technological advancements ensure that the UK remains at the forefront of the global translation services industry.
About the languages we translate
Kwintessential, a leading translation agency in London, boasts an impressive portfolio of over 200 languages, reflecting the rich tapestry of global communication and cultural diversity. Our language services cover a wide range of dialects and linguistic variations, ensuring that we have the language expertise to meet your business or personal needs, no matter where you are located.
Starting with widely spoken languages such as English, Spanish, French, and Mandarin, our translation services encompass the major languages of international commerce and diplomacy. These languages act as key conduits in global business, facilitating trade, negotiations, and cultural exchanges across continents. In addition to these, we also specialise in translating German, Italian, Portuguese, and Russian, which are pivotal in European markets and beyond, catering to a vast range of sectors from manufacturing to technology.
Our expertise extends to languages of the Middle East and Africa, such as Arabic, Farsi, Hebrew, Turkish, Swahili, and Afrikaans. These languages are essential for businesses and individuals dealing with regions that are rich in natural resources and have burgeoning markets. The Asian continent is also well represented in our services, with languages like Japanese, Korean, Hindi, Bengali, and Vietnamese. These languages open doors to some of the world’s fastest-growing economies and diverse cultures.
Furthermore, we understand the importance of catering to niche markets and regional dialects. This includes languages such as Catalan, Basque, and Welsh, which are crucial for localised communication and regional business operations. Our team is equipped to handle Scandinavian languages like Swedish, Danish, and Norwegian, which are vital for dealings in the Nordic region, known for its innovation and high standard of living.
In the realm of less commonly spoken languages, we offer translations in languages like Tagalog, Thai, Urdu, and many others. This inclusivity ensures that we can provide services to a wide range of clients, including international organisations, NGOs, and niche businesses, thus fostering inclusivity and understanding in a globally connected world.
At Kwintessential, our translation services are not just about converting text from one language to another; they are about bridging cultures, facilitating communication, and helping our clients to successfully navigate the complex web of global interactions. Whether it’s for business, legal, medical, or personal reasons, our language solutions are tailored to meet the specific needs of our clients, ensuring accuracy, cultural relevance, and timely delivery.
Our translators
In the field of translation services, our approach sets us apart. We collaborate exclusively with top-tier linguists, unlike many agencies that recruit translators only as needed. Our global network comprises a diverse and extensive group of linguists who have been thoroughly vetted, encompassing a wide array of languages and specialised skills. This ensures we have skilled and knowledgeable translators immediately available for your projects.
Our translator selection process is thorough and meticulous, taking approximately 3-4 months to complete. It involves:
- A detailed panel review of their qualifications, including secure verification of up-to-date references.
- Mandatory completion of at least one test translation before they are considered for active assignments.
- A policy requiring translators to work exclusively in their native languages.
Furthermore, the majority of our translators are affiliated with esteemed professional organizations such as the Institute of Translation and Interpreting (ITI), the Chartered Institute of Linguists (CIOL), and the American Translators Association (ATA). They all adhere to the ISO 17100:2015 standard’s minimum requirements, ensuring high-quality translation services.