Best IoT Development Companies

Sirin Software vs Capgemini Engineering: full comparison for 2026

Quick verdict

Sirin Software (4.2/5) edges ahead of Capgemini Engineering (3.9/5) overall. Sirin Software is the better choice for firmware and IoT apps at Ukrainian rates. Capgemini Engineering is the stronger option for global manufacturers, compliance-heavy programmes. The right choice depends on your project size, budget, and required tech stack.

Sirin Software vs Capgemini Engineering: head-to-head summary

Criterion Sirin Software Capgemini Engineering
Founded 2014 1982
HQ Florida, United States (R&D in Kyiv, Ukraine) Paris, France
Team size 50–200 50,000+
Rating 4.2 / 5 3.9 / 5
Primary differentiator US contracting with a Kyiv embedded team The largest engineering bench on this list, with factory and operational technology expertise
Pricing model Time and materials, dedicated team Time and materials, managed service, outcome-based
Min. engagement Not published Not published
Primary tech stack Embedded C/C++, Embedded Linux, BLE Embedded C/C++, AUTOSAR, Industrial protocols
Industries served Consumer electronics, Healthcare, Smart home, Industrial equipment Automotive, Aerospace, Industrial equipment, Energy, Healthcare

Sirin Software vs Capgemini Engineering: overview

Sirin Software

Sirin Software was founded in March 2014 and has its R&D centre in Kyiv, with the company registered in Florida. A 2016 merger with Lampa Studio added mobile and web development. Directories now put the team at 50 to 200 people. Embedded systems, IoT and server-side software are its core business.

Capgemini Engineering

Capgemini Engineering is the result of Capgemini's purchase of Altran, which closed in April 2020. Revelio Labs estimated around 64,700 employees in September 2025, down about 5% on the year. It combines Altran's engineering and R&D services with Capgemini's digital manufacturing work, and analysts pointed to Altran's operational technology skills as the reason for the deal. It is the strongest option here for large, compliance-heavy programmes.

Services and capabilities: Sirin Software vs Capgemini Engineering

Capability Sirin Software Capgemini Engineering
Electronics & PCB design ✗ ✓
Firmware & embedded software ✓ ✓
Wireless connectivity ✓ ✓
IoT cloud platforms ✓ ✓
Mobile & web apps ✓ ✗
Edge AI & data ✗ ✓
Prototyping & manufacturing support ✗ ✗
Dedicated team model ✓ ✓

Tech stack comparison: Sirin Software vs Capgemini Engineering

Framework / platform Sirin Software Capgemini Engineering
Embedded C ✓ ✓
Embedded Linux ✓ N/A
RTOS N/A N/A
BLE ✓ N/A
LoRaWAN N/A N/A
AWS IoT ✓ ✓
Azure IoT N/A ✓
FPGA N/A N/A

Pricing comparison: Sirin Software vs Capgemini Engineering

Criterion Sirin Software Capgemini Engineering
Minimum engagement Not published Not published
Engagement models Dedicated team, Time and materials Dedicated team, Managed service, Time and materials
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Sirin Software vs Capgemini Engineering

Dimension Sirin Software Capgemini Engineering
Best company size Startup to mid-market Startup to mid-market
Best industries Consumer electronics, Healthcare, Smart home Automotive, Aerospace, Industrial equipment
Best use cases A smart home brand needs firmware and a companion app., A device maker wants a Linux gateway connected to the cloud. An aerospace firm needs certified embedded engineering., A manufacturer wants a smart factory rolled out across sites.
Typical project type Dedicated team Dedicated team

Sirin Software vs Capgemini Engineering: pros and cons

Sirin Software
+ Good balance of firmware and app development
+ US entity for contracting
+ Lower rates than Western European IoT firms
- Delivery is concentrated in Kyiv, so continuity plans need checking
- Limited circuit design capability
Capgemini Engineering
+ Can run very large global engineering programmes
+ Factory and operational technology expertise from Altran
+ Mature compliance and quality systems
- Headcount fell about 5% in 2025
- Slow and costly for small product teams

Who should choose Sirin Software?

A typical fit: a smart home brand needs firmware and a companion app.

US contracting with a Kyiv embedded team. Minimum engagement is not publicly disclosed. Works best with clients in Consumer electronics, Healthcare, Smart home, Industrial equipment.

Who should choose Capgemini Engineering?

A typical fit: an aerospace firm needs certified embedded engineering.

The largest engineering bench on this list, with factory and operational technology expertise. Minimum engagement is not publicly disclosed. Works best with clients in Automotive, Aerospace, Industrial equipment, Energy, Healthcare.

Decision matrix: Sirin Software vs Capgemini Engineering

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Both offer fixed-price models
You need a large dedicated team for an ongoing programme Sirin Software
Your budget is at the lower end Compare: Sirin Software (Not published) vs Capgemini Engineering (Not published)
You need specialist depth in a specific vertical Capgemini Engineering
You want engineers added to your own in-house team Neither lists team extension; ask about dedicated teams
You need the circuit board designed as well as the firmware Capgemini Engineering

Use case fit: Sirin Software vs Capgemini Engineering

Use case Sirin Software fit Capgemini Engineering fit Winner
A smart home brand needs firmware and a companion app. Strong Limited Sirin Software
A device maker wants a Linux gateway connected to the cloud. Strong Limited Sirin Software
An aerospace firm needs certified embedded engineering. Limited Strong Capgemini Engineering
A manufacturer wants a smart factory rolled out across sites. Limited Strong Capgemini Engineering
You need custom electronics designed, not only firmware Limited Strong Capgemini Engineering
You want a fixed-price first phase before a longer engagement Limited Limited Both equally

Verdict: Sirin Software vs Capgemini Engineering

Sirin Software (4.2/5) is the stronger overall choice for most IoT Development projects. US contracting with a Kyiv embedded team.

Capgemini Engineering (3.9/5) is worth a look in a scenario like this: a manufacturer wants a smart factory rolled out across sites. If your situation matches that, Capgemini Engineering is a competitive option.

Related comparisons

Sirin Software vs Capgemini Engineering FAQ

Is Sirin Software better than Capgemini Engineering?

Sirin Software (4.2/5) scores higher overall, but "better" depends on your use case. Sirin Software's strongest advantage: good balance of firmware and app development. Capgemini Engineering's strongest advantage: can run very large global engineering programmes.

How do Sirin Software and Capgemini Engineering differ in pricing?

Sirin Software uses time and materials, dedicated team pricing. Capgemini Engineering uses time and materials, managed service, outcome-based pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Sirin Software or Capgemini Engineering?

Sirin Software is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each company before shortlisting.

What are the main differences between Sirin Software and Capgemini Engineering?

Sirin Software's primary differentiator is: US contracting with a Kyiv embedded team. Capgemini Engineering's primary differentiator is: the largest engineering bench on this list, with factory and operational technology expertise. They also differ in team size (50–200 vs 50,000+), minimum engagement (Not published vs Not published), and primary industries served (Consumer electronics, Healthcare vs Automotive, Aerospace).

Verify all details directly with each company before making a decision.