Best Firmware Development Companies

WebbyLab vs Sigma Software Group: full comparison for 2026

Quick verdict

WebbyLab (4.3/5) edges ahead of Sigma Software Group (4.0/5) overall. WebbyLab is the better choice for full-cycle IoT programs spanning firmware, cloud, and mobile. Sigma Software Group is the stronger option for mid-to-large programs needing firmware alongside a broader multi-industry engineering group. The right choice depends on your project size, budget, and required tech stack.

WebbyLab vs Sigma Software Group: head-to-head summary

Criterion WebbyLab Sigma Software Group
Founded 2011 2002
HQ Kyiv, Ukraine (also London, UK) Kharkiv, Ukraine
Team size 120+ 1,100+
Rating 4.3 / 5 4.0 / 5
Primary differentiator Full-cycle delivery from hardware selection through firmware and the connected application layer under one team Majority Swedish ownership since 2006 combined with a 1,100-plus person multi-country delivery footprint
Pricing model Project-based full-cycle IoT engagements Project-based and staff augmentation engagements
Min. engagement Not published Not published
Primary tech stack C, C++, IoT Connectivity Protocols C, C++, Embedded Middleware
Industries served IoT hardware products, Fintech, E-commerce Aviation, Gaming, Telecom, Industrial IoT

WebbyLab vs Sigma Software Group: overview

WebbyLab

WebbyLab was founded in 2011 by Anton Morozov and Viktor Turskyi and now operates from Kyiv and London with more than 120 engineers spanning hardware, firmware, and software disciplines. The firm describes itself as full-cycle, taking a connected-device project from hardware selection through firmware and the cloud or mobile application that talks to it, with IoT and embedded systems named as a core specialty alongside AI and blockchain work. Fortune 500 clients are cited among its customer base, though specific project names are not detailed publicly.

Sigma Software Group

Sigma Software Group was founded in Kharkiv, Ukraine in 2002 by five friends and now employs more than 1,100 people across Ukraine, Sweden, Poland, and the United States. In 2006 the Swedish IT conglomerate Sigma Group acquired a 60% stake in the company, an ownership structure that has held since; the remaining 40% stays with the original Ukrainian founders. Its embedded and IoT services cover application development, firmware, middleware, device drivers, and human-machine interfaces, delivered as one practice within a much larger portfolio spanning gaming, aviation, and telecom software.

Services and capabilities: WebbyLab vs Sigma Software Group

Capability WebbyLab Sigma Software Group
RTOS firmware development
Bare-metal & driver development
Secure boot / OTA firmware updates
MCU & platform migration
Connectivity & IoT protocols
Functional safety / compliance
Embedded AI / on-device inference
Firmware GUI development
Hardware co-design / board bring-up
Staff augmentation

Tech stack comparison: WebbyLab vs Sigma Software Group

Framework / platform WebbyLab Sigma Software Group
FreeRTOS N/A N/A
Zephyr N/A N/A
STM32 N/A N/A
ARM Cortex-M N/A N/A
Embedded Linux N/A N/A
BLE N/A N/A
MISRA N/A N/A
Secure Boot N/A N/A
AWS IoT N/A N/A
RISC-V N/A N/A

Pricing comparison: WebbyLab vs Sigma Software Group

Criterion WebbyLab Sigma Software Group
Minimum engagement Not published Not published
Engagement models Project-based full-cycle development Project-based engineering, Staff augmentation
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: WebbyLab vs Sigma Software Group

Dimension WebbyLab Sigma Software Group
Best company size Startup to mid-market Startup to mid-market
Best industries IoT hardware products, Fintech, E-commerce Aviation, Gaming, Telecom
Best use cases Full-cycle IoT product from hardware selection through firmware and its companion mobile app, Embedded firmware for a connected device requiring cloud integration Device driver or middleware development as part of a broader embedded program, HMI development for an industrial or aviation-adjacent embedded product
Typical project type Project-based full-cycle development Project-based engineering

WebbyLab vs Sigma Software Group: pros and cons

WebbyLab
+ Full-cycle scope covering hardware, firmware, and the connected cloud or mobile application reduces the number of vendors a client needs to coordinate
+ 120-plus engineers gives more concurrent-program capacity than most boutique firmware consultancies
+ 14 years of operating history under its original two founders
+ Fortune 500 client relationships are cited, indicating capacity for large-organization procurement processes
- IoT and embedded is one specialty alongside AI, blockchain, fintech, and e-commerce work, not the company's sole focus
- Specific named case studies with verifiable project details are limited in public materials
- No published pricing or minimum engagement threshold
Sigma Software Group
+ 1,100-plus employees across Ukraine, Sweden, Poland, and the US give substantial delivery capacity and timezone coverage
+ 60% Swedish ownership since 2006 brings the governance and stability of an established Scandinavian IT conglomerate
+ 23 years of operating history under continuous leadership from its original founding team
+ Multi-industry portfolio spanning aviation, gaming, and telecom means firmware engineers work alongside teams solving comparable real-time and reliability problems in other domains
- Firmware and embedded work is one practice within a much broader multi-industry engineering group, not the company's sole focus
- 60% ownership by Sweden's Sigma Group means the company is not independently controlled by its original Ukrainian founders
- No published pricing or minimum engagement figure

Who should choose WebbyLab?

A typical fit: full-cycle IoT product from hardware selection through firmware and its companion mobile app.

Full-cycle delivery from hardware selection through firmware and the connected application layer under one team. Minimum engagement is not publicly disclosed. Works best with clients in IoT hardware products, Fintech, E-commerce.

Who should choose Sigma Software Group?

A typical fit: device driver or middleware development as part of a broader embedded program.

Majority Swedish ownership since 2006 combined with a 1,100-plus person multi-country delivery footprint. Minimum engagement is not publicly disclosed. Works best with clients in Aviation, Gaming, Telecom, Industrial IoT.

Decision matrix: WebbyLab vs Sigma Software Group

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 Check each company's engagement model
Your budget is at the lower end Compare: WebbyLab (Not published) vs Sigma Software Group (Not published)
You need specialist depth in a specific vertical Sigma Software Group
You need staff augmentation or team extension Sigma Software Group
You need consulting before committing to a build Both may offer discovery engagements

Use case fit: WebbyLab vs Sigma Software Group

Use case WebbyLab fit Sigma Software Group fit Winner
Full-cycle IoT product from hardware selection through firmware and its companion mobile app Strong Limited WebbyLab
Embedded firmware for a connected device requiring cloud integration Strong Strong Both equally
Device driver or middleware development as part of a broader embedded program Strong Strong Both equally
HMI development for an industrial or aviation-adjacent embedded product Limited Strong Sigma Software Group
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Strong Sigma Software Group

Verdict: WebbyLab vs Sigma Software Group

WebbyLab (4.3/5) is the stronger overall choice for most Firmware Development projects. Full-cycle delivery from hardware selection through firmware and the connected application layer under one team.

Sigma Software Group (4.0/5) is worth a look if you need HMI development for an industrial or aviation-adjacent embedded product. If your situation matches that, Sigma Software Group is a competitive option.

Related comparisons

WebbyLab vs Sigma Software Group FAQ

Is WebbyLab better than Sigma Software Group?

WebbyLab (4.3/5) scores higher overall, but "better" depends on your use case. WebbyLab's strongest advantage: full-cycle scope covering hardware, firmware, and the connected cloud or mobile application reduces the number of vendors a client needs to coordinate. Sigma Software Group's strongest advantage: 1,100-plus employees across Ukraine, Sweden, Poland, and the US give substantial delivery capacity and timezone coverage.

How do WebbyLab and Sigma Software Group differ in pricing?

WebbyLab uses project-based full-cycle iot engagements pricing. Sigma Software Group uses project-based and staff augmentation engagements pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: WebbyLab or Sigma Software Group?

Sigma Software Group 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 WebbyLab and Sigma Software Group?

WebbyLab's primary differentiator is: full-cycle delivery from hardware selection through firmware and the connected application layer under one team. Sigma Software Group's primary differentiator is: majority Swedish ownership since 2006 combined with a 1,100-plus person multi-country delivery footprint. They also differ in team size (120+ vs 1,100+), minimum engagement (Not published vs Not published), and primary industries served (IoT hardware products, Fintech vs Aviation, Gaming).

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