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Top IoT Development Companies for JavaScript

33 of 98 IoT development companies ranked on evidence in the Q4 2026 edition.

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.

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Between them, the 98 IoT development companies on this page cover web development (95), iOS app (90), mobile app development (89) and android (86). 97 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

33 of 98 IoT development companies ranked on evidence held on 6 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All IoT development companies 33 ranked SMEs 33 ranked

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myDevices
Mobile App Development · Web Development · iOS App · Also in United States of America
myDevices is an IoT company whose platform helps system integrators, managed service providers, resellers, software vendors and enterprise customers bring IoT solutions to market.
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Why #24 (shared): Founded 2014 — as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
BG
Betterspace GmbH
iOS App · UI/UX Design · IT Services · Also in Germany
Betterspace GmbH develops IoT software and devices that help buildings use less heating energy.
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Why #26 (shared): In business 11+ years — as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Loriot
Mobile App Development · Web Development · iOS App · Also in Switzerland
Loriot is a Swiss company, founded in 2015, that makes software for running large networks of low-power IoT sensors.
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Why #26 (shared): Founded 2015 — as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Naxtre
Mobile App Development · Web Development · iOS App · Also in India
Naxtre is a technology company in Mohali, India, that builds connected products from firmware to cloud. It began with mobile app development and now concentrates on IoT work.
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Why #26 (shared): Founded 2015 — as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Zipit Wireless, Inc.
Mobile App Development · Web Development · iOS App · Also in United States of America
Zipit Wireless provides business and technology services for the Internet of Things.
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Why #29: In business 10+ years — as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
VDT Technology a.s.
Mobile App Development · Web Development · iOS App
VDT Technology a.s. is a Czech company that delivers software, integrates platforms and develops applications for designing, implementing and running complex technological units.
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Why #30: ISO 9001, ISO 27001 — as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
IoT Solutionz
Mobile App Development · Web Development · iOS App · Also in Kolkata
IoT Solutionz designs connected devices and AI-assisted analytics for homes and industry.
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Why #31: Founded 2017 — as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Amotus
Mobile App Development · Web Development · iOS App · Also in Canada
Amotus is an engineering firm that designs electronics and writes software for connected products.
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Why #32 (shared): SOC 2 — as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Abelon Systems
Mobile App Development · Web Development · iOS App · Also in United Kingdom
Abelon Systems designs embedded hardware and software for connected-device projects.
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Why #32 (shared): ISO 9001 — as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
Finoit Technologies Inc
Mobile App Development · Web Development · iOS App · Also in United States of America
Finoit Technologies is a software development company headquartered in Irving, Texas, that builds custom software for small and mid-market businesses.
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On record: Team of 250+ — as stated on its own website, read 28 Sept 2026
FiveDotTwelve
Arts, Entertainment & Music · Mobile App Development · Advertising & Marketing · Also in Nice
FiveDotTwelve is a full-cycle app development company in Poland whose main specialism is Flutter and FlutterFlow.
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Gadgeon Smart Systems Inc.
Mobile App Development · Web Development · iOS App · Also in India
Gadgeon Smart Systems Inc. is an engineering services company working in M2M and telematics, home automation, healthcare, industrial automation and networking.
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On record: Team of 100+ — as stated on its own website, read 6 Oct 2026
Actility
Mobile App Development · Web Development · iOS App · Also in France
Actility builds connectivity software for the Internet of Things. Its ThingPark platform lets operators and enterprises run low-power wide-area networks of any size.
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Aeris
Mobile App Development · Web Development · iOS App · Also in United States of America
Aeris is an Internet of Things technology company that sells cellular connectivity and a platform for managing connected devices.
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Airfi Networks
Mobile App Development · Web Development · iOS App · Also in United Kingdom
Platform that lets device makers launch cellular-connected products across mobile networks, handling billing and support
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AllThingsTalk by ALSO
Web Development · iOS App · Web Design · Also in Belgium
AllThingsTalk by ALSO is an IoT platform company based in Ghent.
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Alnicko Development
Mobile App Development · Web Development · iOS App · Also in Estonia
Alnicko Development helps clients build hardware products from scratch.
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Atmosphere IoT Corp.
Mobile App Development · Web Development · iOS App · Also in Australia
Atmosphere IoT Corp. makes a low-code platform for people building Internet of Things products, linking devices, mobile apps and a cloud service. It was first released in 2015.
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Atonomi
Mobile App Development · Web Development · iOS App · Also in United States of America
Atonomi describes itself as a trust environment for IoT devices.
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BaninaB Pardazesh
Mobile App Development · Web Development · iOS App · Also in Iran
BaninaB Pardazesh, also known as BNP, develops IoT and machine-to-machine products.
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Bitgear
Mobile App Development · Web Development · iOS App · Also in Europe
Bitgear is a research and development centre in Belgrade, Serbia, that takes connected products from concept to mass production.
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Biz4Group LLC
Mobile App Development · Web Development · iOS App · Also in United States of America
Biz4Group LLC is a software development and AI consulting company that fits AI into business workflows.
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Bright Wolf, LLC
Mobile App Development · Web Development · iOS App · Also in United States of America
Connected-product and industrial IoT consultancy offering strategy workshops and platform accelerators for industry teams
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Cardinal Peak
Mobile App Development · Web Development · iOS App · Also in United States of America
Cardinal Peak is a product engineering company that designs and builds electronic and connected products for other businesses.
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Top IoT Development Companies for JavaScript

myDevices

Betterspace GmbH

Loriot

Naxtre

Zipit Wireless, Inc.

VDT Technology a.s.

IoT Solutionz

Amotus

Abelon Systems

Finoit Technologies Inc

FiveDotTwelve

Gadgeon Smart Systems Inc.

Actility

Aeris

Airfi Networks

AllThingsTalk by ALSO

Alnicko Development

Atmosphere IoT Corp.

Atonomi

BaninaB Pardazesh

Bitgear

Biz4Group LLC

Bright Wolf, LLC

Cardinal Peak

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