Infinum vs Sigma Software: full comparison for 2026
Quick verdict
Infinum (4.1/5) edges ahead of Sigma Software (4.0/5) overall. Infinum is the better choice for consumer apps where design quality matters. Sigma Software is the stronger option for broad-scope outsourcing, Scandinavian-owned vendor. The right choice depends on your project size, budget, and required tech stack.
Infinum vs Sigma Software: head-to-head summary
| Criterion | Infinum | Sigma Software |
|---|---|---|
| Founded | 2005 | 2002 |
| HQ | Zagreb, Croatia (London office) | Stockholm, Sweden and Kyiv, Ukraine (UK presence) |
| Team size | 350–450 | 2,000+ |
| Rating | 4.1 / 5 | 4.0 / 5 |
| Primary differentiator | In-house product design and mobile engineering with a strong portfolio of consumer apps | Swedish group ownership with Ukrainian and Polish engineering |
| Pricing model | Time and materials, fixed price | Time and materials, dedicated team, fixed price |
| Min. engagement | Not published | Not published |
| Primary tech stack | Swift, Kotlin, Flutter | Java, .NET, C++ |
| Industries served | Financial services, Media, Healthcare, Retail | Automotive, Telecoms, Financial services, Media, Healthcare |
Infinum vs Sigma Software: overview
Infinum
Infinum was founded in Zagreb, Croatia in 2005 and employs around 400 people across Zagreb, Varaždin, Ljubljana, Podgorica, Amsterdam, New York and London. Its London office opened in 2021. The company is best known for polished mobile and web products, with design and engineering kept under one roof. Croatian rates sit below the UK but above the cheapest Eastern European options.
Sigma Software
Sigma Software was founded in 2002 and belongs to the Swedish Sigma group. It describes a team of over 2,100 professionals in 40 offices across 19 countries, with most engineering in Ukraine and Poland. Directories list it inconsistently as UK-based or Stockholm-based, which reflects its mix of Swedish ownership and international offices. It covers a broad range of services and industries.
Services and capabilities: Infinum vs Sigma Software
| Capability | Infinum | Sigma Software |
|---|---|---|
| Custom software development | ✓ | ✓ |
| Mobile app development | ✓ | ✗ |
| Cloud & DevOps | ✗ | ✓ |
| Data & AI | ✗ | ✓ |
| Legacy modernisation | ✗ | ✗ |
| Embedded & IoT | ✗ | ✓ |
| Dedicated team model | ✗ | ✓ |
| Fixed-price projects | ✓ | ✓ |
Tech stack comparison: Infinum vs Sigma Software
| Framework / platform | Infinum | Sigma Software |
|---|---|---|
| .NET | N/A | ✓ |
| Java | N/A | ✓ |
| Python | N/A | ✓ |
| React | ✓ | ✓ |
| AWS | N/A | ✓ |
| Azure | N/A | ✓ |
| Kubernetes | N/A | N/A |
| Embedded | N/A | N/A |
Pricing comparison: Infinum vs Sigma Software
| Criterion | Infinum | Sigma Software |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Fixed project, Time and materials | Dedicated team, Fixed project, Time and materials |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Infinum vs Sigma Software
| Dimension | Infinum | Sigma Software |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Financial services, Media, Healthcare | Automotive, Telecoms, Financial services |
| Best use cases | A bank wants a new retail banking app designed and built., A media brand needs iOS and Android apps with a shared design system. | A telecoms firm needs network software engineers., An automotive supplier wants embedded developers. |
| Typical project type | Fixed project | Dedicated team |
Infinum vs Sigma Software: pros and cons
| Infinum | |
|---|---|
| + | Design and engineering work as one team, which helps consumer-facing products |
| + | EU-based delivery simplifies GDPR-related contract terms |
| + | A London office lets UK clients meet the team in person |
| - | Better suited to product builds than large enterprise back-office systems |
| - | Smaller than most nearshore vendors on this list, which limits team growth |
| Sigma Software | |
|---|---|
| + | Swedish parent adds governance and financial backing |
| + | Broad technical range, including embedded and automotive |
| + | Ukrainian and Polish rates |
| - | UK office details are hard to confirm from public sources |
| - | Breadth means less obvious specialism in any one area |
Who should choose Infinum?
A typical fit: a bank wants a new retail banking app designed and built.
In-house product design and mobile engineering with a strong portfolio of consumer apps. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Media, Healthcare, Retail.
Who should choose Sigma Software?
A typical fit: a telecoms firm needs network software engineers.
Swedish group ownership with Ukrainian and Polish engineering. Minimum engagement is not publicly disclosed. Works best with clients in Automotive, Telecoms, Financial services, Media, Healthcare.
Decision matrix: Infinum vs Sigma Software
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Infinum |
| You need a large dedicated team for an ongoing programme | Sigma Software |
| Your budget is at the lower end | Compare: Infinum (Not published) vs Sigma Software (Not published) |
| You need specialist depth in a specific vertical | Sigma Software |
| You want engineers added to your own in-house team | Neither lists team extension; ask about dedicated teams |
| Your product includes hardware, firmware or connected devices | Sigma Software |
Use case fit: Infinum vs Sigma Software
| Use case | Infinum fit | Sigma Software fit | Winner |
|---|---|---|---|
| A bank wants a new retail banking app designed and built. | Strong | Limited | Infinum |
| A media brand needs iOS and Android apps with a shared design system. | Strong | Limited | Infinum |
| A telecoms firm needs network software engineers. | Limited | Strong | Sigma Software |
| An automotive supplier wants embedded developers. | Limited | Strong | Sigma Software |
| You need hardware, firmware or IoT work in the same contract | Limited | Strong | Sigma Software |
| You want a fixed-price first phase before a longer engagement | Strong | Strong | Both equally |
Verdict: Infinum vs Sigma Software
Infinum (4.1/5) is the stronger overall choice for most Software Development Outsourcing projects. In-house product design and mobile engineering with a strong portfolio of consumer apps.
Sigma Software (4.0/5) is worth a look in a scenario like this: an automotive supplier wants embedded developers. If your situation matches that, Sigma Software is a competitive option.
Related comparisons
Infinum vs Sigma Software FAQ
Is Infinum better than Sigma Software?
Infinum (4.1/5) scores higher overall, but "better" depends on your use case. Infinum's strongest advantage: design and engineering work as one team, which helps consumer-facing products. Sigma Software's strongest advantage: swedish parent adds governance and financial backing.
How do Infinum and Sigma Software differ in pricing?
Infinum uses time and materials, fixed price pricing. Sigma Software uses time and materials, dedicated team, fixed price pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Infinum or Sigma Software?
Infinum 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 Infinum and Sigma Software?
Infinum's primary differentiator is: in-house product design and mobile engineering with a strong portfolio of consumer apps. Sigma Software's primary differentiator is: swedish group ownership with Ukrainian and Polish engineering. They also differ in team size (350–450 vs 2,000+), minimum engagement (Not published vs Not published), and primary industries served (Financial services, Media vs Automotive, Telecoms).
Verify all details directly with each company before making a decision.