Lemberg Solutions vs Sigma Software Group: full comparison for 2026
Quick verdict
Lemberg Solutions (4.8/5) edges ahead of Sigma Software Group (4.0/5) overall. Lemberg Solutions is the better choice for RTOS and secure-firmware projects needing chip-vendor partnerships. 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.
Lemberg Solutions vs Sigma Software Group: head-to-head summary
| Criterion | Lemberg Solutions | Sigma Software Group |
|---|---|---|
| Founded | 2007 | 2002 |
| HQ | Lviv, Ukraine (offices in Hamburg, Germany; London, UK; Kraków, Poland) | Kharkiv, Ukraine |
| Team size | 200+ | 1,100+ |
| Rating | 4.8 / 5 | 4.0 / 5 |
| Primary differentiator | Direct NXP, STMicroelectronics, and Microchip partner status combined with an in-house hardware lab for board bring-up | Majority Swedish ownership since 2006 combined with a 1,100-plus person multi-country delivery footprint |
| Pricing model | Firmware consulting, design-phase engagement, full development lifecycle, or staff augmentation | Project-based and staff augmentation engagements |
| Min. engagement | Not published | Not published |
| Primary tech stack | MISRA C, FreeRTOS, Zephyr | C, C++, Embedded Middleware |
| Industries served | Healthcare (FDA, HIPAA, IEC 62304, ISO 13485), Energy (battery management, EV charging, OCPP), Transportation & Logistics (ISO 26262, IEC 61508), Manufacturing & Industrial IoT (IEC 62443), Consumer Electronics (FCC, CE/RED), Automotive (ISO 26262, ASPICE, ISO/SAE 21434) | Aviation, Gaming, Telecom, Industrial IoT |
Lemberg Solutions vs Sigma Software Group: overview
Lemberg Solutions
Lemberg Solutions was founded in Lviv in 2007 and has grown to a 200+ person team with additional offices in Hamburg, London, and Kraków. Its firmware practice covers RTOS and bare-metal architecture on FreeRTOS, Zephyr, and Azure RTOS, secure boot and OTA update design, MCU and platform migration, and embedded GUI work in Qt, LVGL, and TouchGFX, backed by direct partnership status with NXP, STMicroelectronics, and Microchip. An in-house lab with oscilloscopes, evaluation kits, and hardware-in-the-loop testing lets the team validate board bring-up rather than outsource it. ISO 9001, ISO 27001, and ISO 13485 certifications, plus MISRA-aware testing, support regulated healthcare, automotive, and industrial clients, and the company transfers full IP and source code rights to the client on delivery.
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: Lemberg Solutions vs Sigma Software Group
| Capability | Lemberg Solutions | 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: Lemberg Solutions vs Sigma Software Group
| Framework / platform | Lemberg Solutions | Sigma Software Group |
|---|---|---|
| FreeRTOS | ✓ | N/A |
| Zephyr | ✓ | N/A |
| STM32 | ✓ | N/A |
| ARM Cortex-M | ✓ | N/A |
| Embedded Linux | ✓ | N/A |
| BLE | N/A | N/A |
| MISRA | ✓ | N/A |
| Secure Boot | N/A | N/A |
| AWS IoT | ✓ | N/A |
| RISC-V | ✓ | N/A |
Pricing comparison: Lemberg Solutions vs Sigma Software Group
| Criterion | Lemberg Solutions | Sigma Software Group |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Firmware consulting, Design-phase engagement, Full development lifecycle, Staff augmentation | Project-based engineering, Staff augmentation |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Lemberg Solutions vs Sigma Software Group
| Dimension | Lemberg Solutions | Sigma Software Group |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Healthcare (FDA, HIPAA, IEC 62304, ISO 13485), Energy (battery management, EV charging, OCPP), Transportation & Logistics (ISO 26262, IEC 61508) | Aviation, Gaming, Telecom |
| Best use cases | OCPP-compliant control firmware for an EV charging station rollout, Firmware code audit of a fielded product ahead of a security certification | 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 | Firmware consulting | Project-based engineering |
Lemberg Solutions vs Sigma Software Group: pros and cons
| Lemberg Solutions | |
|---|---|
| + | Direct partner status with NXP, STMicroelectronics, and Microchip gives chip-level support most firmware vendors have to route through a distributor |
| + | In-house lab with oscilloscopes, evaluation kits, and HIL testing covers board bring-up work that many pure-software firms outsource |
| + | ISO 27001, ISO 9001, and ISO 13485 certifications plus MISRA-aware testing fit regulated medical and industrial clients |
| + | Embedded GUI capability across Qt, LVGL, and TouchGFX is broader than most competitors that only support one framework |
| + | Full IP and source code rights transfer to the client on every engagement |
| - | Does not run mass production in-house, so device manufacturing still requires a separate partner |
| - | Does not handle regulatory certification submissions on the client's behalf, only the supporting technical documentation |
| - | No published minimum engagement figure, so smaller teams need a scoping call before knowing if budget fits |
| 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 Lemberg Solutions?
A typical fit: OCPP-compliant control firmware for an EV charging station rollout.
Direct NXP, STMicroelectronics, and Microchip partner status combined with an in-house hardware lab for board bring-up. Minimum engagement is not publicly disclosed. Works best with clients in Healthcare (FDA, HIPAA, IEC 62304, ISO 13485), Energy (battery management, EV charging, OCPP), Transportation & Logistics (ISO 26262, IEC 61508), Manufacturing & Industrial IoT (IEC 62443), Consumer Electronics (FCC, CE/RED), Automotive (ISO 26262, ASPICE, ISO/SAE 21434).
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: Lemberg Solutions 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: Lemberg Solutions (Not published) vs Sigma Software Group (Not published) |
| You need specialist depth in a specific vertical | Lemberg Solutions |
| You need staff augmentation or team extension | Lemberg Solutions |
| You need consulting before committing to a build | Lemberg Solutions |
Use case fit: Lemberg Solutions vs Sigma Software Group
| Use case | Lemberg Solutions fit | Sigma Software Group fit | Winner |
|---|---|---|---|
| OCPP-compliant control firmware for an EV charging station rollout | Strong | Limited | Lemberg Solutions |
| Firmware code audit of a fielded product ahead of a security certification | Strong | Strong | Both equally |
| Device driver or middleware development as part of a broader embedded program | Limited | Strong | Sigma Software Group |
| HMI development for an industrial or aviation-adjacent embedded product | Strong | Strong | Both equally |
| Fixed-price build | Limited | Limited | Both equally |
| Staff augmentation | Limited | Strong | Sigma Software Group |
Verdict: Lemberg Solutions vs Sigma Software Group
Lemberg Solutions (4.8/5) is the stronger overall choice for most Firmware Development projects. Direct NXP, STMicroelectronics, and Microchip partner status combined with an in-house hardware lab for board bring-up.
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
Lemberg Solutions vs Sigma Software Group FAQ
Is Lemberg Solutions better than Sigma Software Group?
Lemberg Solutions (4.8/5) scores higher overall, but "better" depends on your use case. Lemberg Solutions's strongest advantage: direct partner status with NXP, STMicroelectronics, and Microchip gives chip-level support most firmware vendors have to route through a distributor. 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 Lemberg Solutions and Sigma Software Group differ in pricing?
Lemberg Solutions uses firmware consulting, design-phase engagement, full development lifecycle, or staff augmentation 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: Lemberg Solutions 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 Lemberg Solutions and Sigma Software Group?
Lemberg Solutions's primary differentiator is: direct NXP, STMicroelectronics, and Microchip partner status combined with an in-house hardware lab for board bring-up. 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 (200+ vs 1,100+), minimum engagement (Not published vs Not published), and primary industries served (Healthcare (FDA, HIPAA, IEC 62304, ISO 13485), Energy (battery management, EV charging, OCPP) vs Aviation, Gaming).
Verify all details directly with each company before making a decision.