Best IoT Development Companies

Sirin Software vs Sigma Software: full comparison for 2026

Quick verdict

Sirin Software (4.2/5) edges ahead of Sigma Software (4.0/5) overall. Sirin Software is the better choice for firmware and IoT apps at Ukrainian rates. Sigma Software is the stronger option for embedded and cloud teams under Swedish ownership. The right choice depends on your project size, budget, and required tech stack.

Sirin Software vs Sigma Software: head-to-head summary

Criterion Sirin Software Sigma Software
Founded 2014 2002
HQ Florida, United States (R&D in Kyiv, Ukraine) Stockholm, Sweden and Kyiv, Ukraine
Team size 50–200 2,000+
Rating 4.2 / 5 4.0 / 5
Primary differentiator US contracting with a Kyiv embedded team Scandinavian governance with Ukrainian and Polish embedded engineers
Pricing model Time and materials, dedicated team Time and materials, dedicated team, fixed price
Min. engagement Not published Not published
Primary tech stack Embedded C/C++, Embedded Linux, BLE Embedded C/C++, Embedded Linux, AWS IoT
Industries served Consumer electronics, Healthcare, Smart home, Industrial equipment Automotive, Telecoms, Healthcare, Energy

Sirin Software vs Sigma Software: 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.

Sigma Software

Sigma Software was founded in 2002 and is part of the Swedish Sigma group. It describes a team of over 2,100 professionals in offices across 19 countries. Embedded and automotive software are among its practices, alongside a wide range of web, cloud and enterprise work. IoT buyers will find capable firmware and cloud engineers, but not a hardware design house.

Services and capabilities: Sirin Software vs Sigma Software

Capability Sirin Software Sigma Software
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 Sigma Software

Framework / platform Sirin Software Sigma Software
Embedded C ✓ ✓
Embedded Linux ✓ ✓
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 Sigma Software

Criterion Sirin Software Sigma Software
Minimum engagement Not published Not published
Engagement models Dedicated team, Time and materials Dedicated team, Fixed project, Time and materials
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Sirin Software vs Sigma Software

Dimension Sirin Software Sigma Software
Best company size Startup to mid-market Startup to mid-market
Best industries Consumer electronics, Healthcare, Smart home Automotive, Telecoms, Healthcare
Best use cases A smart home brand needs firmware and a companion app., A device maker wants a Linux gateway connected to the cloud. A telecoms company needs embedded network software., An automotive supplier wants firmware developers.
Typical project type Dedicated team Dedicated team

Sirin Software vs Sigma Software: 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
Sigma Software
+ Swedish parent adds governance
+ Broad coverage of firmware, cloud and apps
+ Competitive rates
- IoT is not its main focus
- No electronics design

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 Sigma Software?

A typical fit: a telecoms company needs embedded network software.

Scandinavian governance with Ukrainian and Polish embedded engineers. Minimum engagement is not publicly disclosed. Works best with clients in Automotive, Telecoms, Healthcare, Energy.

Decision matrix: Sirin Software vs Sigma Software

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Sigma Software
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 Sigma Software (Not published)
You need specialist depth in a specific vertical Sirin Software
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 Neither; consider a hardware design house

Use case fit: Sirin Software vs Sigma Software

Use case Sirin Software fit Sigma Software 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
A telecoms company needs embedded network software. Limited Strong Sigma Software
An automotive supplier wants firmware developers. Limited Strong Sigma Software
You need custom electronics designed, not only firmware Limited Limited Both equally
You want a fixed-price first phase before a longer engagement Limited Strong Sigma Software

Verdict: Sirin Software vs Sigma Software

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

Sigma Software (4.0/5) is worth a look in a scenario like this: an automotive supplier wants firmware developers. If your situation matches that, Sigma Software is a competitive option.

Related comparisons

Sirin Software vs Sigma Software FAQ

Is Sirin Software better than Sigma Software?

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. Sigma Software's strongest advantage: swedish parent adds governance.

How do Sirin Software and Sigma Software differ in pricing?

Sirin Software uses time and materials, dedicated team pricing. Sigma Software uses time and materials, dedicated team, fixed price 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 Sigma Software?

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 Sigma Software?

Sirin Software's primary differentiator is: US contracting with a Kyiv embedded team. Sigma Software's primary differentiator is: scandinavian governance with Ukrainian and Polish embedded engineers. They also differ in team size (50–200 vs 2,000+), minimum engagement (Not published vs Not published), and primary industries served (Consumer electronics, Healthcare vs Automotive, Telecoms).

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