25 Oct 2026 · TrustList Editorial
Europe: funding calls and deadlines closing soon (week of 26 October 2026)
Calls for software, AI, cybersecurity, chips, telecoms and car-industry firms from EU programmes and funders in France, Italy, Sweden,…
4 of 12 IoT development companies ranked on evidence in the Q4 2026 edition.
Between them, the 12 IoT development companies on this page cover IoT (10), software development (9), e-commerce development (6) and iOS app (5). They also list work in United States of America. 12 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
4 of 12 IoT development companies ranked on evidence held on 12 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.

Mobile App Development · iOS App · Web Development · Also in United States of America
Round Solutions designs and sells machine-to-machine and Internet of Things products.
Why #1: Based in Neu-Isenburg, near Frankfurt, Germany · Founded 1999, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

Software Development · E-Commerce Development · eCommerce · Also in Belarus
Promwad is an electronics design house, set up in 2004, that develops complex technology products with its clients.
Why #2: Based in Germany, with hubs across Europe · Founded 2004, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Artificial Intelligence - AI · Software Development · IT Services · Also in United States of America
Klika Tech, Inc builds connected products that combine IoT, cloud services, embedded systems and generative AI.
Why #3: Based in United States, with offices in Germany, Canada and Central Europe · AWS partner, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
IoT · Also in Ludwigshafen
Digimondo is a German company that builds an IoT data platform for the energy sector, cities and industry.
Why #4: Based in Germany · Client numbers stated on its own website, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Mobile App Development · Software Development · E-Commerce Development
Device Insight GmbH is an IoT and data analytics company that builds connected-product platforms and advises industrial customers on using them.
On record: Founded 2003, as stated on its own website, read 5 Oct 2026
Software Development · E-Commerce Development · iOS App
Betterspace GmbH develops IoT software and devices that help buildings use less heating energy.
On record: In business 11+ years, as stated on its own website, read 6 Oct 2026
Software Development · E-Commerce Development · IT Services
G2K Group is a technology company headquartered in Germany, built around the idea of situational awareness: gathering available information, filtering it to judge a situation, and…
On record: Based in Germany · Team of 120+, as stated on its own website, read 6 Oct 2026
Artificial Intelligence - AI · Mobile App Development · Software Development
Cleverciti supplies smart parking technology for cities and large venues. Its overhead sensors watch outdoor and on-street spaces and report which ones are free.
Artificial Intelligence - AI · Mobile App Development · iOS App
IOX GmbH, based in Cologne, helps companies develop connected products.
On record: Based in Cologne, Germany
Software Development · E-Commerce Development · UI/UX Design
relayr is an Industrial Internet of Things company. It draws data from machines, equipment and production lines that factories already run.
Software Development · E-Commerce Development · UI/UX Design
Sensorberg GmbH develops hardware and software that digitise and automate buildings. Its focus areas are co-working spaces, commercial and residential property, and self-storage.
Artificial Intelligence - AI · Software Development · IT Services
Stenon is a soil data company whose portable FarmLab device analyses soil on the spot.
For vendors
The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.
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Every other way we rank iot development companies, by what they do and where they are.
Articles on this subject first, then the newest.
25 Oct 2026 · TrustList Editorial
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25 Oct 2026 · TrustList Editorial
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