Sirin Software vs Cyient: full comparison for 2026
Quick verdict
Sirin Software (4.2/5) edges ahead of Cyient (3.8/5) overall. Sirin Software is the better choice for firmware and IoT apps at Ukrainian rates. Cyient is the stronger option for engineering outsourcing for aerospace and rail OEMs. The right choice depends on your project size, budget, and required tech stack.
Sirin Software vs Cyient: head-to-head summary
| Criterion | Sirin Software | Cyient |
|---|---|---|
| Founded | 2014 | 1991 |
| HQ | Florida, United States (R&D in Kyiv, Ukraine) | Hyderabad, India |
| Team size | 50–200 | 10,000+ |
| Rating | 4.2 / 5 | 3.8 / 5 |
| Primary differentiator | US contracting with a Kyiv embedded team | Broad engineering services with embedded work for heavy-industry clients |
| Pricing model | Time and materials, dedicated team | Time and materials, managed service |
| Min. engagement | Not published | Not published |
| Primary tech stack | Embedded C/C++, Embedded Linux, BLE | Embedded C, Industrial protocols, Azure IoT |
| Industries served | Consumer electronics, Healthcare, Smart home, Industrial equipment | Aerospace, Rail and transport, Energy, Telecoms, Healthcare |
Sirin Software vs Cyient: 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.
Cyient
Cyient was incorporated in 1991 and is headquartered in Hyderabad. It reported 12,049 employees at the end of March 2026 and works for more than 300 customers on mechanical, electrical, embedded, network and plant engineering. Embedded systems and Industry 4.0 connectivity are among its services. For a buyer focused purely on IoT products, they are a small part of a much larger engineering business.
Services and capabilities: Sirin Software vs Cyient
| Capability | Sirin Software | Cyient |
|---|---|---|
| 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 Cyient
| Framework / platform | Sirin Software | Cyient |
|---|---|---|
| Embedded C | ✓ | ✓ |
| Embedded Linux | ✓ | N/A |
| RTOS | N/A | N/A |
| BLE | ✓ | N/A |
| LoRaWAN | N/A | N/A |
| AWS IoT | ✓ | N/A |
| Azure IoT | N/A | ✓ |
| FPGA | N/A | N/A |
Pricing comparison: Sirin Software vs Cyient
| Criterion | Sirin Software | Cyient |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Dedicated team, Time and materials | Dedicated team, Managed service |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Sirin Software vs Cyient
| Dimension | Sirin Software | Cyient |
|---|---|---|
| Best company size | Startup to mid-market | Enterprise |
| Best industries | Consumer electronics, Healthcare, Smart home | Aerospace, Rail and transport, Energy |
| 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 rail OEM needs embedded engineering support., A utility wants network engineering and monitoring. |
| Typical project type | Dedicated team | Dedicated team |
Sirin Software vs Cyient: 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 |
| Cyient | |
|---|---|
| + | Long relationships with aerospace and rail OEMs |
| + | Low-cost engineering capacity |
| + | Plant and network engineering alongside devices |
| - | IoT is a minor service line |
| - | Headcount has declined over the past two years |
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 Cyient?
A typical fit: a rail OEM needs embedded engineering support.
Broad engineering services with embedded work for heavy-industry clients. Minimum engagement is not publicly disclosed. Works best with clients in Aerospace, Rail and transport, Energy, Telecoms, Healthcare.
Decision matrix: Sirin Software vs Cyient
| 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 | Sirin Software |
| Your budget is at the lower end | Compare: Sirin Software (Not published) vs Cyient (Not published) |
| You need specialist depth in a specific vertical | Cyient |
| 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 | Cyient |
Use case fit: Sirin Software vs Cyient
| Use case | Sirin Software fit | Cyient 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 rail OEM needs embedded engineering support. | Limited | Strong | Cyient |
| A utility wants network engineering and monitoring. | Limited | Strong | Cyient |
| You need custom electronics designed, not only firmware | Limited | Strong | Cyient |
| You want a fixed-price first phase before a longer engagement | Limited | Limited | Both equally |
Verdict: Sirin Software vs Cyient
Sirin Software (4.2/5) is the stronger overall choice for most IoT Development projects. US contracting with a Kyiv embedded team.
Cyient (3.8/5) is worth a look in a scenario like this: a utility wants network engineering and monitoring. If your situation matches that, Cyient is a competitive option.
Related comparisons
Sirin Software vs Cyient FAQ
Is Sirin Software better than Cyient?
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. Cyient's strongest advantage: long relationships with aerospace and rail OEMs.
How do Sirin Software and Cyient differ in pricing?
Sirin Software uses time and materials, dedicated team pricing. Cyient uses time and materials, managed service 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 Cyient?
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 Cyient?
Sirin Software's primary differentiator is: US contracting with a Kyiv embedded team. Cyient's primary differentiator is: broad engineering services with embedded work for heavy-industry clients. They also differ in team size (50–200 vs 10,000+), minimum engagement (Not published vs Not published), and primary industries served (Consumer electronics, Healthcare vs Aerospace, Rail and transport).
Verify all details directly with each company before making a decision.