Ranking: Top European IoT App Development Companies 2025

The European IoT development landscape has grown rapidly over the past few years, driven by the rise of smart home devices, connected consumer products and industry-focused sensor systems. With more companies investing in connected technology, choosing the right development partner has become a critical business decision. To help navigate this space, we analysed verified data from Clutch.co — including pricing, location, and IoT expertise — and compiled a ranking of top European IoT app development companies. At the top of this list is Mood Up, recognised for its strong focus on mobile and IoT solutions, consistent delivery and international project portfolio. The following overview highlights eight standout companies shaping the future of IoT development across Europe.

1. Mood Up – Poznań, Poland

Location: Poznań, Poland
Hourly rate (Clutch): ~$50-99/hour
Minimum project size: $10,000+

Mood Up stands out as one of the few companies focused specifically on IoT (Internet of Things) development alongside mobile and streaming applications. According to Clutch, the company has 12+ years of experience, has delivered 110+ projects and services clients in more than 10 countries.

Client reviews regularly praise their professionalism, strong project management, responsiveness and ability to handle complex mobile + IoT requirements.

Website: moodup.team
Clutch profile: Mood Up on Clutch

2. INTechHouse – Bydgoszcz & Warszawa, Poland

Location: Bydgoszcz & Warszawa, Poland
Hourly rate (Clutch): ~$50-99/hour

INTechHouse specialises in hardware design, embedded systems, IoT solutions, data analytics and AI.
Reviews highlight its reliability, strong hardware engineering background and ability to deliver tailored engineering and consulting services.

Website: intechhouse.com
Clutch profile: INTechHouse on Clutch

3. DO OK – Wrocław & Zielona Góra, Poland

Location: Wrocław & Zielona Góra, Poland
Hourly rate (Clutch): ~$50-99/hour (Polish market benchmark)

DO OK is a software house with strong credentials in IoT solutions, IoT consulting and mobile/web applications, offering full-cycle support from concept to delivery. Clients appreciate their alignment of technical expertise with business goals and effective communication.

Clutch profile: DO OK on Clutch

4. qrsolve – Zurich (Switzerland) & Rzeszów (Poland)

Location: Zurich, Switzerland & Rzeszów, Poland
Hourly rate (Clutch): ~$50-99/hour (as typical for the region)

qrsolve combines IoT development with cloud consulting and embedded solutions, operating with a European presence and offering near-shoring capabilities via Poland. Their dual-location model gives them access to Western European clients while leveraging CEE talent and cost structures.

Website: qrsolve.com
Clutch profile: qrsolve on Clutch

5. Aaltra – Melle, Belgium

Location: Melle, Belgium
Hourly rate (Clutch): ~$50-99/hour (Europe benchmark)

Aaltra is a Belgian boutique firm that emphasises product design and IoT systems. Their niche is the “design & build” approach: they support from workshops and UX/UI, through hardware/IoT integration to mobile/web applications. This makes them a strong fit when the user-experience layer and interface design are as important as the technical IoT backend.

Website: aaltra.eu
Clutch profile: Aaltra on Clutch

6. MCB Soft – Brașov, Romania

Location: Brașov, Romania
Hourly rate (Clutch): ~$50-99/hour

MCB Soft positions themselves as “tech architects,” delivering full-stack solutions including web, cloud and IoT. Their offering suits SMEs seeking a partner who can deliver both device-level connectivity and cloud/integration layers.
Backlinks:

Website: mcbsoft.com
Clutch profile: MCB Soft on Clutch

7. Zalmotek – Bucharest, Romania

Location: București (Bucharest), Romania
Hourly rate (Clutch): ~$100-149/hour (indicates high-specialty engineering)

Zalmotek specialises in IoT combined with AI at the edge, embedded systems and industrial products. Their higher rate reflects the advanced engineering and R&D-oriented nature of their solutions—appropriate for industrial IoT, wearables or complex device ecosystems.

Backlinks:
Website: zalmotek.com
Clutch profile: Zalmotek on Clutch

8. Jibe Company (ProductFuse) – Eindhoven (NL) & Cluj-Napoca (RO)

Location: Eindhoven, Netherlands & Cluj-Napoca, Romania
Hourly rate (Clutch): ~$50-99/hour

Jibe Company (ProductFuse) delivers IoT app development as part of larger digital product builds, often combining device integrations, platforms and mobile/web front-ends. Their cross-location presence (NL/RO) gives flexibility for clients across Western and Eastern Europe.

Clutch profile: Jibe Company – ProductFuse on Clutch

Let's sum it up

Choosing an IoT development partner in Europe is no longer just about day rates or location – it’s about finding a team that understands hardware, software, data and real business needs. This ranking highlights eight companies that combine strong technical skills with proven delivery, from hardware-driven R&D teams to mobile-first software studios.

Mood Up, placed at #1, reflects a growing trend: businesses are looking for partners who can move quickly, communicate clearly and own the full product journey – from prototype to scalable solution. Whether you’re building a smart home device, an industrial platform or a connected consumer app, these companies offer a solid starting point for your shortlist and a useful benchmark for evaluating your next IoT project.