Companies · category

Top IT Service Providers for JavaScript

3,059 IT service providers ranked by rating, review volume and listing quality.

JavaScript spans more ground than any other language on this list. It runs in every browser, on servers through Node, and inside mobile and desktop applications, so a firm listing it may be doing front-end interface work, back-end services, or both.

The useful clarification is which part of the stack, and with what. Front-end work is dominated by a handful of frameworks and the choice affects hiring for years afterwards. Back-end JavaScript competes with other server languages and is chosen for good reasons and bad ones. Ask why they would pick it for your project specifically — a clear answer indicates a team choosing tools, and a vague one indicates a team using whatever they already know.

Want your company here?

Between them, the 600 best-ranked of these 3,059 IT service providers cover web development (591), mobile app development (498), android (438) and iOS app (419). They also list work in Delhi NCR, Ahmedabad, Mumbai and Pune. 597 of them have written a profile you can read before you get in touch.

Filter by fitbudget, engagement, size and more

Senseye
Mobile App Development · Web Development · iOS App · Also in United Kingdom
Sensei ’sen,sā, sen’sā noun (pl.same) (in martial arts) a teacher.
Write a review
Cornflake
Mobile App Development · Web Development · iOS App · Also in United Kingdom
By designing bespoke home automation systems and expertly integrating them into your home we handle all the technical complexities so you can enjoy a beautifully simple, immersive…
Write a review
Freckle IoT
Mobile App Development · Web Development · iOS App · Also in Canada
Freckle IoT is a global data company specializing in media measurement and identity.
Write a review
Bright Wolf, LLC
Mobile App Development · Web Development · iOS App · Also in United States of America
Bright Wolf is a trusted partner for industry leaders with a new vision for a connected world Our technology and experience help you deliver and measure tangible business value…
Write a review
Drayson Technologies Ltd
Mobile App Development · Web Development · iOS App · Also in United Kingdom
Drayson Technologies is a healthcare Internet of Things (IoT) company.
Write a review
Intamac Systems
Mobile App Development · Web Development · iOS App · Also in United Kingdom
Intamac is an Internet of Things (IoT) enabler and innovator. We help original equipment manufacturers (OEMs) and product vendors to connect their products and appliances to the…
Write a review
Smartcom
Mobile App Development · Web Development · iOS App · Also in France
Smartcom is an innovative designer and developer of wireless communications software for all major Mobile and PC Platforms – Windows, Windows 8, Windows Phone, Android, Mac OS, and…
Write a review
Five Talent
Mobile App Development · Web Development · iOS App · Also in United States of America
Established in 2004, Five Talent is a collected team of experienced solution architects and developers, industry experts and business professionals that leverage shared talent and…
Write a review
ParallelDevs
Search Engine Optimization · Custom Software Development · Web Development · Also in Costa Rica
ParallelDevs is the new face of AlarezMedia, a company that has been working for over eight years to offer the most professional work in website development, graphic design, and…
Write a review
Incora
Mobile App Development · Web Development · iOS App · Also in Ukraine
Incora is an innovative software development company that provides solutions both for start-ups and established enterprises all over the world.
Write a review
AltexSoft
Mobile App Development · Custom Software Development · Web Development · Also in United States of America
Being a Technology & Solution Consulting company, we co-build technology products to help companies accelerate growth.
Write a review
Codica
Mobile App Development · Custom Software Development · Web Development · Also in Ukraine
We believe in approaching each project as a potential game-changer and because of that, we support our clients comprehensively, going far beyond the code.
Write a review
Prismetric
Mobile App Development · Web Development · iOS App · Also in Ahmedabad
Prismetric is a venture of two technocrats having their individual core expertise in mobile solutions, web solutions, CRM solutions, and Business Intelligence solutions.
Write a review
Srijan Technologies
Mobile App Development · Web Development · Web Design · Also in Delhi NCR
Srijan builds and modernizes digital systems to meet your changing business models.
Write a review
GeekyAnts Software Pvt Ltd
Mobile App Development · Custom Software Development · Web Development · Also in Bengaluru, India
GeekyAnts is a Bangalore based technology company specializing in web and mobile product development.
Write a review
Altaworx
Mobile App Development · Web Development · iOS App · Also in United States of America
Altaworx was founded in 2003 by Rickie Richey to address the emerging demand for Voice over Internet Protocol (VoIP) business telephone systems.
Write a review
EENGINE
Web Development · Web Design · E-Commerce Development · Also in Poland
We create online applications and speak your language. At eEngine, we create software for business and scientific institutions.
Write a review
Horizon Robotics
Mobile App Development · Web Development · iOS App · Also in China
Horizon has leading artificial intelligence algorithms and chip design capabilities, through the combination of soft and hard, design and development of high-performance, low-cost,…
Write a review
RtTech Software
Mobile App Development · Web Development · iOS App · Also in Canada
RtTech Software is a leading Industrial Apps provider, helping global clients in the manufacturing, mining, and power generation industries increase productivity and decrease…
Write a review
Cityzenith, LLC
Mobile App Development · Web Development · iOS App · Also in United States of America
Cityzenith gives power to building industry professionals by aggregating all of their project data and software into a single tool: Smart World Pro.
Write a review
Zingbox Inc.
Mobile App Development · Web Development · iOS App · Also in United States of America
Zingbox detects and protects the connected equipment. It provides unparalleled visibility into the Internet of Things (IoT) infrastructure to reveal existing vulnerabilities and…
Write a review
DevicePilot
Mobile App Development · Web Development · iOS App · Also in United Kingdom
DevicePilot is the IoT dashboarding and analytics tool for every member of the business - so you can visualize data, see patterns and trends, and deliver projects faster.
Write a review
7ninjas
Mobile App Development · Custom Software Development · Web Development · Also in Poland
We are 7ninjas, and yes, there are more than 7 of us. We are based in Poland, but our clients live everywhere in the world ? We love building products.
Write a review
Apptunix
Mobile App Development · Web Development · iOS App · Also in United States of America
Apptunix is a leading App & Web Solutions development agency, based out of Texas, US.
Write a review

For vendors

Want to see your company here?

The order is earned: ratings, verified reviews and listing quality decide it, and nobody can pay to move up. There are two ways to stand out, and each one says what it is.

Not on TrustList yet? Add your company or claim its listing, free.

Get vetted

Free

We check your registration, your website and your clients
Approved listings show the Verified badge here and on their profile
It earns a rank number and counts towards the TrustList Score; renewed yearly

Apply for vetting How vetting works

Sponsor this ranking

Paid · always labelled

A Sponsored card above the ranked list, up to three per ranking
Marked Sponsored, and it never changes the order
Booked by the month; cancel any time

Sponsor this ranking See prices

Same subject

More it service providers rankings

Every other way we rank it service providers — by what they do and where they are.

All 284 rankings

Articles

Latest insights

The newest guides and analysis from TrustList Insights.

All articles

Blog

21 Sept 2026 · TrustList Editorial

We show a price on 5,092 software listings, and none of them says when it was true

5,092 of our 12,184 software listings show a price, and none records when it was true. We checked 30 at random on the vendors' own pages:…

News

21 Sept 2026 · TrustList Editorial

Qwen's new image model leaves Apache 2.0 for a research-only licence

Every earlier Qwen-Image release was Apache 2.0. Qwen-Image-2.1, published on 20 September, is licensed for research and evaluation only,…

News

21 Sept 2026 · TrustList Editorial

The ChatGPT ads pixel assumes consent unless the advertiser says otherwise

OpenAI's measurement pixel initialises consent to true unless a site sets it to false, can detect customer details on the page when…

Browse

More categories

Jump to another ranked category.

All categories

Keep exploring

More on TrustList

Everything here links back to the same verified catalogue. Pick your next stop.