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Top IoT Development Companies for JavaScript

9 of 40 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 40 IoT development companies on this page cover web development (38), iOS app (37), mobile app development (35) and android (34). 39 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

9 of 40 IoT development companies ranked on evidence held on 5 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 9 ranked SMEs 9 ranked

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Technoton Engineering
Mobile App Development · Web Development · iOS App · Also in Belarus
Technoton Engineering is an independent research and development company that offers hardware and software development.
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Why #1: Founded 2000 — as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Litum IoT
Mobile App Development · Web Development · iOS App · Also in Turkey
Litum IoT makes real-time location systems and wireless tracking products for demanding industrial sites.
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Why #2: Founded 2004 — as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Third pin
Mobile App Development · Web Development · iOS App · Also in Russia
Third pin is an electronics engineering company that develops bespoke devices and writes their firmware.
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Why #3 (shared): Founded 2011 — as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
M2M One
Mobile App Development · Web Development · iOS App · Also in Australia
M2M One is an Australian connectivity provider that serves only the machine-to-machine and Internet of Things market.
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Why #3 (shared): In business 15+ years — as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Onbiron
Mobile App Development · Web Development · iOS App · Also in Turkey
Onbiron is an engineering company founded in 2012 at ODTÜ Technopolis.
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Why #5: Founded 2012 — as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Diversido
Mobile App Development · Web Development · iOS App · Also in Ukraine
Diversido is a small software team that has built web and mobile applications since 2013, with a focus on healthcare and education.
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Why #6: Founded 2013 — as stated on its own website, read 28 Sept 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 #7: Founded 2015 — as stated on its own website, read 5 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 #8: 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 #9: Founded 2017 — as stated on its own website, read 28 Sept 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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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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AllThingsTalk by ALSO
Web Development · iOS App · UI/UX 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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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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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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Daxx
Mobile App Development · Web Development · iOS App · Also in United States of America
Daxx is a remote team augmentation service for companies that need extra software engineers or a whole new development team.
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EasyLinkin
Mobile App Development · Web Development · iOS App · Also in China
EasyLinkin Technology Co., Ltd. is a Chinese technology company working on low-power wide-area networks.
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EG
eguana GmbH
Web Development · iOS App · Web Design · Also in Austria
eguana develops monitoring systems for construction sites, with a focus on specialist foundation work and tunnelling.
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Exaud
Arts, Entertainment & Music · Mobile App Development · Web Development · Also in Portugal
Exaud is a software development and consulting company that designs custom solutions for embedded, mobile, IoT and wearable devices, partnering with brands to help them build…
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Filament pd
Mobile App Development · Web Development · iOS App · Also in United Kingdom
Filament pd is a product design, development and innovation agency with studios in Glasgow and London.
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Top IoT Development Companies for JavaScript

Technoton Engineering

Litum IoT

Third pin

M2M One

Onbiron

Diversido

Loriot

VDT Technology a.s.

IoT Solutionz

Finoit Technologies Inc

FiveDotTwelve

Actility

AllThingsTalk by ALSO

Alnicko Development

Atmosphere IoT Corp.

BaninaB Pardazesh

Bitgear

Biz4Group LLC

Cardinal Peak

Daxx

EasyLinkin

eguana GmbH

Exaud

Filament pd

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