Sigma Software vs Apadmi: full comparison for 2026
Quick verdict
Sigma Software (4.0/5) edges ahead of Apadmi (3.9/5) overall. Sigma Software is the better choice for broad-scope outsourcing, Scandinavian-owned vendor. Apadmi is the stronger option for UK brands that need flagship mobile apps. The right choice depends on your project size, budget, and required tech stack.
Sigma Software vs Apadmi: head-to-head summary
| Criterion | Sigma Software | Apadmi |
|---|---|---|
| Founded | 2002 | 2009 |
| HQ | Stockholm, Sweden and Kyiv, Ukraine (UK presence) | Manchester, United Kingdom |
| Team size | 2,000+ | 250–300 |
| Rating | 4.0 / 5 | 3.9 / 5 |
| Primary differentiator | Swedish group ownership with Ukrainian and Polish engineering | Mobile-only specialism with a client list of household UK names |
| Pricing model | Time and materials, dedicated team, fixed price | Time and materials, fixed price |
| Min. engagement | Not published | Not published |
| Primary tech stack | Java, .NET, C++ | Swift, Kotlin, Flutter |
| Industries served | Automotive, Telecoms, Financial services, Media, Healthcare | Retail, Media, Healthcare, Public sector |
Sigma Software vs Apadmi: overview
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.
Apadmi
Apadmi was founded in 2009 in Manchester and has its headquarters at MediaCity. It reported more than 300 employees in 2024, with hubs in London, Edinburgh, Lisbon and Amsterdam. The company builds and maintains mobile apps for large UK brands, including Argos, the BBC, Co-op, Asda and the NHS. Its Lisbon hub adds a lower-cost option within Western Europe.
Services and capabilities: Sigma Software vs Apadmi
| Capability | Sigma Software | Apadmi |
|---|---|---|
| Custom software development | ✓ | ✓ |
| Mobile app development | ✗ | ✓ |
| Cloud & DevOps | ✓ | ✗ |
| Data & AI | ✓ | ✗ |
| Legacy modernisation | ✗ | ✗ |
| Embedded & IoT | ✓ | ✗ |
| Dedicated team model | ✓ | ✗ |
| Fixed-price projects | ✓ | ✓ |
Tech stack comparison: Sigma Software vs Apadmi
| Framework / platform | Sigma Software | Apadmi |
|---|---|---|
| .NET | ✓ | N/A |
| Java | ✓ | N/A |
| Python | ✓ | N/A |
| React | ✓ | ✓ |
| AWS | ✓ | ✓ |
| Azure | ✓ | ✓ |
| Kubernetes | N/A | N/A |
| Embedded | N/A | N/A |
Pricing comparison: Sigma Software vs Apadmi
| Criterion | Sigma Software | Apadmi |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Dedicated team, Fixed project, Time and materials | Fixed project, Time and materials |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Sigma Software vs Apadmi
| Dimension | Sigma Software | Apadmi |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Automotive, Telecoms, Financial services | Retail, Media, Healthcare |
| Best use cases | A telecoms firm needs network software engineers., An automotive supplier wants embedded developers. | A retailer needs a high-traffic shopping app rebuilt., An NHS body wants a patient app. |
| Typical project type | Dedicated team | Fixed project |
Sigma Software vs Apadmi: pros and cons
| 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 |
| Apadmi | |
|---|---|
| + | Mobile focus brings deep iOS and Android expertise |
| + | Recognisable UK client list gives reassurance on quality |
| + | Lisbon hub offers some rate flexibility |
| - | Narrow focus; back-office and enterprise systems are not its core |
| - | Mostly UK delivery, so pricing is close to onshore rates |
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.
Who should choose Apadmi?
A typical fit: a retailer needs a high-traffic shopping app rebuilt.
Mobile-only specialism with a client list of household UK names. Minimum engagement is not publicly disclosed. Works best with clients in Retail, Media, Healthcare, Public sector.
Decision matrix: Sigma Software vs Apadmi
| 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 | Sigma Software |
| Your budget is at the lower end | Compare: Sigma Software (Not published) vs Apadmi (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: Sigma Software vs Apadmi
| Use case | Sigma Software fit | Apadmi fit | Winner |
|---|---|---|---|
| A telecoms firm needs network software engineers. | Strong | Limited | Sigma Software |
| An automotive supplier wants embedded developers. | Strong | Limited | Sigma Software |
| A retailer needs a high-traffic shopping app rebuilt. | Limited | Strong | Apadmi |
| An NHS body wants a patient app. | Limited | Strong | Apadmi |
| You need hardware, firmware or IoT work in the same contract | Strong | Limited | Sigma Software |
| You want a fixed-price first phase before a longer engagement | Strong | Strong | Both equally |
Verdict: Sigma Software vs Apadmi
Sigma Software (4.0/5) is the stronger overall choice for most Software Development Outsourcing projects. Swedish group ownership with Ukrainian and Polish engineering.
Apadmi (3.9/5) is worth a look in a scenario like this: an NHS body wants a patient app. If your situation matches that, Apadmi is a competitive option.
Related comparisons
Sigma Software vs Apadmi FAQ
Is Sigma Software better than Apadmi?
Sigma Software (4.0/5) scores higher overall, but "better" depends on your use case. Sigma Software's strongest advantage: swedish parent adds governance and financial backing. Apadmi's strongest advantage: mobile focus brings deep iOS and Android expertise.
How do Sigma Software and Apadmi differ in pricing?
Sigma Software uses time and materials, dedicated team, fixed price pricing. Apadmi uses time and materials, fixed price pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Sigma Software or Apadmi?
Apadmi 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 Sigma Software and Apadmi?
Sigma Software's primary differentiator is: swedish group ownership with Ukrainian and Polish engineering. Apadmi's primary differentiator is: mobile-only specialism with a client list of household UK names. They also differ in team size (2,000+ vs 250–300), minimum engagement (Not published vs Not published), and primary industries served (Automotive, Telecoms vs Retail, Media).
Verify all details directly with each company before making a decision.