Reliable Translation Services In California

Choose from 70+ languages, localize as per the cultural content of a target market and grow with confidence.

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Our California Translation Services

Websites Translation Services

Keywords, CTAs, product descriptions, T&C and website copy

App Translation & Localization

Localization of your android or iOS mobile app in required languages.

SaaS Translation & Localization

Localize your SaaS/Software as per the languages of the target audience.

Legal & Technical Translation Services

Contracts, licenses, permits, patents, service agreements and trademarks

Certified Document Translation Services

Translations for business or personal documents of any domain.

Subtitling Services

Subtitles for documentaries, TV shows or any explainer videos.

Certified Translation Company

Certified Translations

ISO Certified

ISO 17100:2015 & 9001:2015 Certified Agency


70+ Languages

Professional Translation Services in California For


IT & Software










Real Estate

ISO 17100 Certified translation company

ISO 17100:2015 CERTIFIED

Milestone Localization is certified by the International Organization for Standardization (ISO) for having in place strong security of information and quality management systems for “End to end translation and localization services.”

We consider the ISO 17100 certification important and demonstrate our commitment to the needs of our customers worldwide.

Certified Translations in California for any document

Business Documents

Financial Reports
Registration Documents
Tax Documents
Legal Documents
Technical Documents
HR Documents
Marketing Materials
Contracts & more

Personal Documents

Birth Certificate
Marriage Certificate
Immigration Documents
Divorce Certificate
Death Certificate
Medical Documents
Personal Documents
No Objection Certificates 

Translate Any Document

Choose from 70+ languages

Chinese Translation Services

Spanish Translation Services

Russian Translation Services

Hindi Translation Services

Tagalog Translation Services

French Translation Services

German Translation Services

Korean Translation Services

Persian Translation Services

Why Choose Our California Translation Services


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Experience our commitment to deadlines even before we start your project

99.9% Accuracy and Top Quality

We use the best linguists and latest technology to ensure translation quality

On Time Delivery- Every Time

We promise to deliver on time. Get 10% off each day delayed if we can’t keep our promise


“When it comes to Translation Services, there are a number of companies that talk a good game, but Vinit and his team from Milestone Localization make it happen! They have facilitated Central Test to advance on projects effortlessly and on time while providing quality services. They take this further by accepting and implementing recommendations whilst upholding a personal connection with us.” 

Professional Translation Services In California

“We have been working with Milestone Localization for over a year now and the experience has been great. The team is prompt in delivering the final content, extremely understanding & supportive in accommodating last-minute changes, and always eager to suggest improvements. It’s a pleasure working with them.” 

Professional Translation Services In California
“I would like to take this opportunity for thanking your entire team for a great turnaround without compromising quality on the recent Branchx project. Your team’s dedication and hard work on the project despite the multiple iterations requested is commendable without which we would not have completed the project on time. Thank you again for the extraordinary support and looking forward to working with your team in the future.”
Professional Translation Services In California

Powered By Technology Translated By Humans

Machine Translation

We use NMT and MT to translate large volumes of data. Translations are post edited and throughly checked for quality by linguists

Language Intelligence

Previously translated segments are automatically matched, helping to save time and money and boost efficiency and productivity.


Terminology Management

Key terms and phrases are identified and saved for each, helping maintain quality and consistency across documents and files

Automated Tracking

Upload documents, get quotes, track progress, download translations and view invoices from your secure customer portal

More on language translation

Languages spoken in California

Top Languages Spoken In California

Have you ever wondered what are the top languages spoken in California? California is one of the most linguistically diverse states in the US. It’s estimated that more than 200 languages are spoken on its territory. According to a study, only 11% of people living in California speak only English.

Spanish Language in USA

The Prevalance Of Spanish Language Within The US

Spanish is the 2nd most common language in the US and is home to more than 50 million Spanish speakers. It is also considered to be among the 4th largest Spanish-speaking countries in the world.

Read on to know more about the prevalence of Spanish in the US.

top 5 languages spoken in USA

Top 5 Indian Languages Spoken In The USA

The population of Indians in the USA has increased tremendously over the last few decades. A 49% increase in just 8 years. According to data from the US government fact finder, more than 3.8 million people in the USA speak Indian languages. Read on to know more about the Indian languages spoken in the USA

Partner With The Best California Translation Services Company

Our team is ready to help you with your translation needs.


What type of content and file formats can you translate?

We translate websites, apps, software, documents, videos, and more into 70+ languages and support all file formats for translation. If you have specific needs for your project, get in touch with our team, and we will assist you further.

How much do professional translation services cost?

The cost of our professional translation services in California differs according to the word count, type of document, domain, language pair, and turnaround. Get in touch to get a free quotation for your project.

What is the turnaround time for translations?

Turnaround time varies depending on the file format, length, and domain. We can provide you with a timeline after a quick analysis. If you need your translations to be delivered urgently or sooner than the actual time frame, communicate the same with our team.

What languages do you support?

We support 70+ global languages. You can find a list here
We work with native linguists around the world to provide reliable, culturally relevant translations.

How do you maintain the confidentiality of the data?

Maintaining confidentiality of the data is of utmost priority to us. We use the latest technology, strict non-disclosure agreements and conduct regular audits to ensure confidentiality and data security.