Best Embedded Software Development Companies

SYSGO vs Sirin Software: full comparison for 2026

Quick verdict

SYSGO (4.6/5) edges ahead of Sirin Software (4.2/5) overall. SYSGO is the better choice for Aerospace, rail, and automotive teams needing SIL 4-certified virtualization. Sirin Software is the stronger option for semiconductor teams needing multi-protocol wireless firmware depth. The right choice depends on your project size, budget, and required tech stack.

SYSGO vs Sirin Software: head-to-head summary

Criterion SYSGO Sirin Software
Founded 1991 2014
HQ Klein-Winternheim, Germany Pompano Beach, Florida, USA (R&D in Kyiv and Ivano-Frankivsk, Ukraine)
Team size ~100 11–50
Rating 4.6 / 5 4.2 / 5
Primary differentiator Vendor of PikeOS, the first RTOS/hypervisor to achieve SIL 4 safety certification, now backed by Thales Group ownership Named depth across six wireless protocols (Wi-Fi, BLE, Matter, UWB, NFC, LoRaWAN) spanning Linux, Zephyr, FreeRTOS, and ThreadX
Pricing model Licensing, engineering services, certification support Fixed project, staff augmentation
Min. engagement Not disclosed Not disclosed
Primary tech stack PikeOS, ELinOS (embedded Linux), C/C++ Zephyr, FreeRTOS, ThreadX
Industries served Aerospace, Automotive, Rail, Industrial IoT/Manufacturing Consumer Electronics, Industrial IoT, Smart home, Semiconductor

SYSGO vs Sirin Software: overview

SYSGO

SYSGO, founded in 1991 and headquartered in Klein-Winternheim, Germany, is the vendor behind PikeOS — a real-time operating system and hypervisor that was the first in the world to achieve SIL 4, the highest safety integrity level, and behind ELinOS, an industrial-grade embedded Linux distribution. With roughly 100 employees across subsidiaries in France and the Czech Republic, SYSGO serves aerospace, automotive, railway, and industrial IoT clients building safety-critical applications, and has been part of the Thales Group since 2018 — a defense and aerospace conglomerate whose ownership brings both credibility and a strategic focus that may prioritize Thales-adjacent programs. This is a product-and-services vendor rather than a pure custom-development shop: buyers get a certified platform plus engineering support around it, not bespoke firmware built from a blank slate.

Sirin Software

Sirin Software, founded in 2014 and headquartered in Pompano Beach, Florida with R&D centers in Kyiv and Ivano-Frankivsk, Ukraine, works specifically with semiconductor companies and IoT product teams on SDKs, firmware, middleware, and driver development. What makes Sirin relevant for a technical buyer comparing wireless-protocol depth specifically is the breadth of named protocol stacks it works across — Wi-Fi, BLE, Matter, UWB, NFC, and LoRaWAN — combined with embedded OS coverage spanning Linux, Zephyr, FreeRTOS, and ThreadX, rather than one protocol done well and everything else avoided.

Services and capabilities: SYSGO vs Sirin Software

Capability SYSGO Sirin Software
RTOS firmware development
Embedded Linux (Yocto/BuildRoot)
FPGA programming (Verilog/VHDL)
Hardware & PCB / electrical engineering
IoT connectivity & protocols
Edge AI / on-device ML
Embedded GUI development
Cybersecurity & secure boot
Staff augmentation / team extension

Tech stack comparison: SYSGO vs Sirin Software

Framework / platform SYSGO Sirin Software
FreeRTOS N/A
Zephyr N/A
Embedded Linux
AUTOSAR N/A N/A
AWS N/A N/A
Bluetooth N/A
LoRaWAN N/A
CAN bus N/A N/A
Qt N/A N/A
Verilog N/A N/A

Pricing comparison: SYSGO vs Sirin Software

Criterion SYSGO Sirin Software
Minimum engagement Not disclosed Not disclosed
Engagement models Licensing, Engineering services, Certification support Fixed project, Staff augmentation
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: SYSGO vs Sirin Software

Dimension SYSGO Sirin Software
Best company size Startup to mid-market Startup to mid-market
Best industries Aerospace, Automotive, Rail Consumer Electronics, Industrial IoT, Smart home
Best use cases Avionics or rail signaling systems requiring SIL 4/DO-178C-certifiable virtualization, Multi-domain automotive ECUs needing a certified hypervisor to isolate safety-critical and non-critical workloads on one chip Semiconductor companies needing SDK, driver, and middleware development for new silicon before it reaches downstream product teams, Matter/Thread smart-home products requiring simultaneous multi-protocol wireless firmware support
Typical project type Licensing Fixed project

SYSGO vs Sirin Software: pros and cons

SYSGO
+ PikeOS holds SIL 4 certification, the highest safety integrity level — a bar few embedded RTOS vendors have cleared
+ Thales Group ownership (since 2018) brings deep defense and aerospace domain credibility and long-term financial stability
+ Combined RTOS/hypervisor plus industrial-grade embedded Linux (ELinOS) covers both real-time and general-purpose workloads on one certified platform
+ European (Germany, France, Czech Republic) delivery footprint suits EU buyers with data residency or export-control preferences
- Primarily a certified platform vendor with services attached, not a from-scratch custom firmware development shop — confirm fit if you need bespoke, non-PikeOS-based development
- Thales Group ownership since 2018 may mean strategic priorities lean toward defense/aerospace accounts over other verticals
- ~100-person team caps capacity for very large, multi-program engagements relative to bigger engineering-services firms
Sirin Software
+ Works directly with semiconductor companies on SDK and driver development, closer to the chip than typical downstream product-firmware shops
+ Named coverage across six distinct wireless protocols reduces the need to shop separately for each connectivity technology
+ US headquarters with Ukraine R&D centers balances client-facing accessibility with delivery cost efficiency
- Small team (11-50, varying by source) limits capacity for programs with several parallel workstreams
- No public pricing tiers or minimum engagement figures for pre-qualification
- Multi-protocol breadth means depth in any one protocol may be shallower than a single-protocol specialist

Who should choose SYSGO?

A typical fit: avionics or rail signaling systems requiring SIL 4/DO-178C-certifiable virtualization.

Vendor of PikeOS, the first RTOS/hypervisor to achieve SIL 4 safety certification, now backed by Thales Group ownership. Minimum engagement starts at Not disclosed. Works best with clients in Aerospace, Automotive, Rail, Industrial IoT/Manufacturing.

Who should choose Sirin Software?

A typical fit: semiconductor companies needing SDK, driver, and middleware development for new silicon before it reaches downstream product teams.

Named depth across six wireless protocols (Wi-Fi, BLE, Matter, UWB, NFC, LoRaWAN) spanning Linux, Zephyr, FreeRTOS, and ThreadX. Minimum engagement starts at Not disclosed. Works best with clients in Consumer Electronics, Industrial IoT, Smart home, Semiconductor.

Decision matrix: SYSGO vs Sirin Software

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Sirin Software
You need a large dedicated team for an ongoing programme Check each company's engagement model
Your budget is at the lower end Compare: SYSGO (Not disclosed) vs Sirin Software (Not disclosed)
You need specialist depth in a specific vertical SYSGO
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build SYSGO

Use case fit: SYSGO vs Sirin Software

Use case SYSGO fit Sirin Software fit Winner
Avionics or rail signaling systems requiring SIL 4/DO-178C-certifiable virtualization Strong Limited SYSGO
Multi-domain automotive ECUs needing a certified hypervisor to isolate safety-critical and non-critical workloads on one chip Strong Limited SYSGO
Semiconductor companies needing SDK, driver, and middleware development for new silicon before it reaches downstream product teams Limited Strong Sirin Software
Matter/Thread smart-home products requiring simultaneous multi-protocol wireless firmware support Limited Strong Sirin Software
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: SYSGO vs Sirin Software

SYSGO (4.6/5) is the stronger overall choice for most Embedded Software Development projects. Vendor of PikeOS, the first RTOS/hypervisor to achieve SIL 4 safety certification, now backed by Thales Group ownership.

Sirin Software (4.2/5) is worth a look if you need Matter/Thread smart-home products requiring simultaneous multi-protocol wireless firmware support. If your situation matches that, Sirin Software is a competitive option.

Related comparisons

SYSGO vs Sirin Software FAQ

Is SYSGO better than Sirin Software?

SYSGO (4.6/5) scores higher overall, but "better" depends on your use case. SYSGO's strongest advantage: PikeOS holds SIL 4 certification, the highest safety integrity level — a bar few embedded RTOS vendors have cleared. Sirin Software's strongest advantage: works directly with semiconductor companies on SDK and driver development, closer to the chip than typical downstream product-firmware shops.

How do SYSGO and Sirin Software differ in pricing?

SYSGO uses licensing, engineering services, certification support pricing with a minimum engagement of Not disclosed. Sirin Software uses fixed project, staff augmentation pricing with a minimum engagement of Not disclosed. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: SYSGO or Sirin 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 SYSGO and Sirin Software?

SYSGO's primary differentiator is: vendor of PikeOS, the first RTOS/hypervisor to achieve SIL 4 safety certification, now backed by Thales Group ownership. Sirin Software's primary differentiator is: named depth across six wireless protocols (Wi-Fi, BLE, Matter, UWB, NFC, LoRaWAN) spanning Linux, Zephyr, FreeRTOS, and ThreadX. They also differ in team size (~100 vs 11–50), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Aerospace, Automotive vs Consumer Electronics, Industrial IoT).

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