Best Firmware Development Companies

Elektrobit (EB) vs Sigma Software Group: full comparison for 2026

Quick verdict

Elektrobit (EB) (4.2/5) edges ahead of Sigma Software Group (4.0/5) overall. Elektrobit (EB) is the better choice for large-scale automotive firmware programs requiring ASIL D certification. 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.

Elektrobit (EB) vs Sigma Software Group: head-to-head summary

Criterion Elektrobit (EB) Sigma Software Group
Founded 1988 2002
HQ Erlangen, Germany Kharkiv, Ukraine
Team size 1,000–5,000 1,100+
Rating 4.2 / 5 4.0 / 5
Primary differentiator ASIL D-certified automotive software running in more than 600 million vehicles as a Continental subsidiary Majority Swedish ownership since 2006 combined with a 1,100-plus person multi-country delivery footprint
Pricing model Enterprise automotive software engagements Project-based and staff augmentation engagements
Min. engagement Not published Not published
Primary tech stack MISRA C, C, C++ C, C++, Embedded Middleware
Industries served Automotive Aviation, Gaming, Telecom, Industrial IoT

Elektrobit (EB) vs Sigma Software Group: overview

Elektrobit (EB)

Elektrobit traces its roots to 3SOFT, a firm founded in Erlangen, Germany in 1988 that became an automotive control-device specialist before its 2004 acquisition by the Finnish Elektrobit Group and 2015 acquisition by Continental, where it now operates as a wholly owned, independently run subsidiary. With more than 1,000 employees, its software runs in over 600 million vehicles worldwide, covering car infrastructure software, connectivity and security, automated driving tooling, and user-experience platforms up to ASIL D, the highest automotive functional-safety level. That scale and certification depth make it one of the largest and most safety-credentialed firms on this list, at the cost of the flexibility a smaller boutique firmware team can offer.

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: Elektrobit (EB) vs Sigma Software Group

Capability Elektrobit (EB) 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: Elektrobit (EB) vs Sigma Software Group

Framework / platform Elektrobit (EB) 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
Secure Boot N/A N/A
AWS IoT N/A N/A
RISC-V N/A N/A

Pricing comparison: Elektrobit (EB) vs Sigma Software Group

Criterion Elektrobit (EB) Sigma Software Group
Minimum engagement Not published Not published
Engagement models Enterprise automotive software programs Project-based engineering, Staff augmentation
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Elektrobit (EB) vs Sigma Software Group

Dimension Elektrobit (EB) Sigma Software Group
Best company size Mid-market to enterprise Startup to mid-market
Best industries Automotive Aviation, Gaming, Telecom
Best use cases ASIL D-certified safety-critical automotive control software, Large-scale automated driving software platform development 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 Enterprise automotive software programs Project-based engineering

Elektrobit (EB) vs Sigma Software Group: pros and cons

Elektrobit (EB)
+ ASIL D certification, the highest automotive functional-safety integrity level, is a credential few firmware vendors on this list can match
+ Software runs in more than 600 million vehicles, an unusually large deployed-scale figure to verify a track record against
+ 1,000 to 5,000 employees give it enterprise-scale delivery capacity for the largest automotive programs
+ Continental ownership since 2015 provides financial stability and tier-1 automotive supplier relationships
- Wholly owned by Continental, a tier-1 automotive supplier, which is a disclosed ownership relationship worth weighing for OEMs that compete with Continental's other business lines
- Enterprise scale and process overhead typically make it a poor fit for small firmware projects or startups needing fast iteration
- Automotive concentration means its stated expertise carries over less directly to medical, industrial, or consumer firmware work
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 Elektrobit (EB)?

A typical fit: ASIL D-certified safety-critical automotive control software.

ASIL D-certified automotive software running in more than 600 million vehicles as a Continental subsidiary. Minimum engagement is not publicly disclosed. Works best with clients in Automotive.

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: Elektrobit (EB) 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: Elektrobit (EB) (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: Elektrobit (EB) vs Sigma Software Group

Use case Elektrobit (EB) fit Sigma Software Group fit Winner
ASIL D-certified safety-critical automotive control software Strong Limited Elektrobit (EB)
Large-scale automated driving software platform development Strong Limited Elektrobit (EB)
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 Limited Strong Sigma Software Group
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Strong Sigma Software Group

Verdict: Elektrobit (EB) vs Sigma Software Group

Elektrobit (EB) (4.2/5) is the stronger overall choice for most Firmware Development projects. ASIL D-certified automotive software running in more than 600 million vehicles as a Continental subsidiary.

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

Elektrobit (EB) vs Sigma Software Group FAQ

Is Elektrobit (EB) better than Sigma Software Group?

Elektrobit (EB) (4.2/5) scores higher overall, but "better" depends on your use case. Elektrobit (EB)'s strongest advantage: ASIL D certification, the highest automotive functional-safety integrity level, is a credential few firmware vendors on this list can match. 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 Elektrobit (EB) and Sigma Software Group differ in pricing?

Elektrobit (EB) uses enterprise automotive software 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: Elektrobit (EB) or Sigma Software Group?

Elektrobit (EB) 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 Elektrobit (EB) and Sigma Software Group?

Elektrobit (EB)'s primary differentiator is: ASIL D-certified automotive software running in more than 600 million vehicles as a Continental subsidiary. 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 (1,000–5,000 vs 1,100+), minimum engagement (Not published vs Not published), and primary industries served (Automotive vs Aviation, Gaming).

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