DataArt vs Sigma Software: full comparison for 2026
Quick verdict
DataArt (4.0/5) edges ahead of Sigma Software (4.0/5) overall. DataArt is the better choice for travel and finance firms, long-term nearshore teams. 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.
DataArt vs Sigma Software: head-to-head summary
| Criterion | DataArt | Sigma Software |
|---|---|---|
| Founded | 1997 | 2002 |
| HQ | New York, United States (London office) | Stockholm, Sweden and Kyiv, Ukraine (UK presence) |
| Team size | 5,000–6,000 | 2,000+ |
| Rating | 4.0 / 5 | 4.0 / 5 |
| Primary differentiator | Two decades of London presence and specialist travel-industry engineering | Swedish group ownership with Ukrainian and Polish engineering |
| Pricing model | Time and materials, dedicated team | Time and materials, dedicated team, fixed price |
| Min. engagement | Not published | Not published |
| Primary tech stack | Java, .NET, Python | Java, .NET, C++ |
| Industries served | Travel and hospitality, Financial services, Healthcare, Media, Retail | Automotive, Telecoms, Financial services, Media, Healthcare |
DataArt vs Sigma Software: overview
DataArt
Eugene Goland founded DataArt in New York in 1997, and the company opened in London in 2001. It reports more than 6,000 people as of September 2025, spread across Central and Eastern Europe, Latin America and elsewhere. Travel and hospitality, finance and healthcare are its strongest industries. UK clients get a long-standing London presence with delivery from lower-cost locations.
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: DataArt vs Sigma Software
| Capability | DataArt | 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: DataArt vs Sigma Software
| Framework / platform | DataArt | Sigma Software |
|---|---|---|
| .NET | ✓ | ✓ |
| Java | ✓ | ✓ |
| Python | ✓ | ✓ |
| React | ✓ | ✓ |
| AWS | ✓ | ✓ |
| Azure | ✓ | ✓ |
| Kubernetes | N/A | N/A |
| Embedded | N/A | N/A |
Pricing comparison: DataArt vs Sigma Software
| Criterion | DataArt | Sigma Software |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Dedicated team, 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: DataArt vs Sigma Software
| Dimension | DataArt | Sigma Software |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Travel and hospitality, Financial services, Healthcare | Automotive, Telecoms, Financial services |
| Best use cases | A travel company needs booking-engine and distribution work., A financial firm wants legacy trading software modernised. | A telecoms firm needs network software engineers., An automotive supplier wants embedded developers. |
| Typical project type | Dedicated team | Dedicated team |
DataArt vs Sigma Software: pros and cons
| DataArt | |
|---|---|
| + | London office has been open since 2001 |
| + | Specialist knowledge of travel booking and distribution systems |
| + | Delivery spread across several regions |
| - | US headquarters means UK contracts may sit with a non-UK parent |
| - | Headcount estimates vary widely between sources |
| 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 DataArt?
A typical fit: a travel company needs booking-engine and distribution work.
Two decades of London presence and specialist travel-industry engineering. Minimum engagement is not publicly disclosed. Works best with clients in Travel and hospitality, Financial services, Healthcare, Media, 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: DataArt vs Sigma Software
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Sigma Software |
| You need a large dedicated team for an ongoing programme | DataArt |
| Your budget is at the lower end | Compare: DataArt (Not published) vs Sigma Software (Not published) |
| You need specialist depth in a specific vertical | DataArt |
| 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: DataArt vs Sigma Software
| Use case | DataArt fit | Sigma Software fit | Winner |
|---|---|---|---|
| A travel company needs booking-engine and distribution work. | Strong | Limited | DataArt |
| A financial firm wants legacy trading software modernised. | Strong | Limited | DataArt |
| 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 | Limited | Strong | Sigma Software |
Verdict: DataArt vs Sigma Software
DataArt (4.0/5) is the stronger overall choice for most Software Development Outsourcing projects. Two decades of London presence and specialist travel-industry engineering.
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
DataArt vs Sigma Software FAQ
Is DataArt better than Sigma Software?
DataArt (4.0/5) scores higher overall, but "better" depends on your use case. DataArt's strongest advantage: london office has been open since 2001. Sigma Software's strongest advantage: swedish parent adds governance and financial backing.
How do DataArt and Sigma Software differ in pricing?
DataArt uses time and materials, dedicated team 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: DataArt or Sigma Software?
DataArt 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 DataArt and Sigma Software?
DataArt's primary differentiator is: two decades of London presence and specialist travel-industry engineering. Sigma Software's primary differentiator is: swedish group ownership with Ukrainian and Polish engineering. They also differ in team size (5,000–6,000 vs 2,000+), minimum engagement (Not published vs Not published), and primary industries served (Travel and hospitality, Financial services vs Automotive, Telecoms).
Verify all details directly with each company before making a decision.