Your words, precisely understood everywhere
Translation, interpretation and localization for companies that cannot afford to be misunderstood. Certified linguists, industry specialists and a review chain that protects every sentence.
- Certified & sworn translation
- Simultaneous interpretation
- Software & website localization
Conference interpreting, live in 12 languages
20
Years in the market
60+
Languages covered
40M+
Words translated
98%
On-time delivery
Seven services, one standard of accuracy
Whether it is a contract, a live congress or an entire product interface, the same quality chain applies: specialist linguist, independent revision, final review.
Since 2006
Years in the market
Two decades of getting the details right
Leader Translations started in 2006 with a single conviction: a translation is only as good as the reviewer who challenges it. Twenty years later, that review chain is still the core of how we work — now supported by translation memories, terminology databases and a vetted network of linguists across time zones.
We have interpreted board negotiations, filed sworn translations in court, localized products for launch in a dozen markets and typeset manuals in languages that read right to left. The constant is accountability: one project manager, one point of contact, one deadline that holds.
- One dedicated project manager per client
- Native, field-specialist linguists
- Signed confidentiality on every project
- Deadlines committed in writing
Trusted by legal, medical, technical and marketing teams worldwide
Find the answer for your case
Every mode, pair, market and sector we work in has its own page, written to answer the question before you have to ask it.
Interpreting modes
- Simultaneous Interpreting Services
- Remote Simultaneous Interpretation (RSI)
- Consecutive Interpreting Services
Translation by language pair
- English to Portuguese Translation
- English to Spanish Translation
- English to Chinese Translation
- Portuguese to Spanish Translation
A quality chain you can audit
Built on the translate–revise–review sequence described by ISO 17100, with a named owner at every step.
Brief & quote
We analyse your files, confirm scope, language pairs and reference material, and send a fixed quote with a delivery date — usually within a few business hours.
Translation
A native specialist in your field translates, working from your glossary and previous projects stored in your translation memory.
Revision & QA
A second linguist compares source and target line by line, then automated QA checks numbers, terminology, tags and consistency.
Delivery & follow-up
You receive the files in the original format, certified or typeset as required, and we keep your glossary updated for everything that comes next.
Twenty years of repeat clients
They interpreted a three-day congress in five languages without a single interruption. The interpreters knew our terminology better than some of our own staff.
Head of Events
International medical association
Sworn translations filed on time, every time, including two urgent court deadlines. Their project manager is the reason we stopped shopping around.
Partner
Corporate law firm
We launched our platform in seven markets in one quarter. Strings came back in context, tested, with no layout surprises.
VP of Product
B2B software company
Tell us what needs translating
Send the files, the language pair and the deadline. You will get a fixed quote and a named project manager.