Infinum vs BJSS (CGI): full comparison for 2026
Quick verdict
Infinum (4.1/5) edges ahead of BJSS (CGI) (4.0/5) overall. Infinum is the better choice for consumer apps where design quality matters. BJSS (CGI) is the stronger option for NHS and government programmes, large onshore delivery. The right choice depends on your project size, budget, and required tech stack.
Infinum vs BJSS (CGI): head-to-head summary
| Criterion | Infinum | BJSS (CGI) |
|---|---|---|
| Founded | 2005 | 1993 |
| HQ | Zagreb, Croatia (London office) | Leeds, United Kingdom (owned by CGI) |
| Team size | 350–450 | 2,000–2,500 |
| Rating | 4.1 / 5 | 4.0 / 5 |
| Primary differentiator | In-house product design and mobile engineering with a strong portfolio of consumer apps | Large UK onshore delivery capacity, now backed by CGI's global network |
| Pricing model | Time and materials, fixed price | Time and materials, fixed price, managed service |
| Min. engagement | Not published | Not published |
| Primary tech stack | Swift, Kotlin, Flutter | Java, .NET, AWS |
| Industries served | Financial services, Media, Healthcare, Retail | Public sector, Healthcare, Financial services, Retail, Energy |
Infinum vs BJSS (CGI): 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.
BJSS (CGI)
BJSS was founded in Leeds in 1993 and grew into one of the UK's largest independent technology consultancies before CGI completed its acquisition in February 2025. The deal brought about 2,400 BJSS staff into CGI and took CGI's UK headcount past 8,500. BJSS teams are being merged into CGI's metro-based UK operating model. UK clients get the scale and governance of a global group, with nearshore capacity now available through CGI centres such as Portugal.
Services and capabilities: Infinum vs BJSS (CGI)
| Capability | Infinum | BJSS (CGI) |
|---|---|---|
| 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 BJSS (CGI)
| Framework / platform | Infinum | BJSS (CGI) |
|---|---|---|
| .NET | N/A | ✓ |
| Java | N/A | ✓ |
| Python | N/A | ✓ |
| React | ✓ | N/A |
| AWS | N/A | ✓ |
| Azure | N/A | ✓ |
| Kubernetes | N/A | ✓ |
| Embedded | N/A | N/A |
Pricing comparison: Infinum vs BJSS (CGI)
| Criterion | Infinum | BJSS (CGI) |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Fixed project, Time and materials | Fixed project, Managed service, Time and materials |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Infinum vs BJSS (CGI)
| Dimension | Infinum | BJSS (CGI) |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Financial services, Media, Healthcare | Public sector, Healthcare, 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. | An NHS trust needs a national-scale digital service., A bank wants a large onshore team with independent testing. |
| Typical project type | Fixed project | Fixed project |
Infinum vs BJSS (CGI): 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 |
| BJSS (CGI) | |
|---|---|
| + | Long record on large NHS and government programmes |
| + | CGI ownership adds financial stability and access to nearshore centres |
| + | Strong testing and quality engineering practice |
| - | Acquired by CGI in 2025, and integration into CGI's model may change account teams and processes |
| - | Large-consultancy pricing and governance are heavy for small projects |
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 BJSS (CGI)?
A typical fit: an NHS trust needs a national-scale digital service.
Large UK onshore delivery capacity, now backed by CGI's global network. Minimum engagement is not publicly disclosed. Works best with clients in Public sector, Healthcare, Financial services, Retail, Energy.
Decision matrix: Infinum vs BJSS (CGI)
| 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 | Check each company's engagement model |
| Your budget is at the lower end | Compare: Infinum (Not published) vs BJSS (CGI) (Not published) |
| You need specialist depth in a specific vertical | BJSS (CGI) |
| 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 | Neither; consider an embedded specialist |
Use case fit: Infinum vs BJSS (CGI)
| Use case | Infinum fit | BJSS (CGI) 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 |
| An NHS trust needs a national-scale digital service. | Limited | Strong | BJSS (CGI) |
| A bank wants a large onshore team with independent testing. | Limited | Strong | BJSS (CGI) |
| You need hardware, firmware or IoT work in the same contract | Limited | Limited | Both equally |
| You want a fixed-price first phase before a longer engagement | Strong | Strong | Both equally |
Verdict: Infinum vs BJSS (CGI)
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.
BJSS (CGI) (4.0/5) is worth a look in a scenario like this: a bank wants a large onshore team with independent testing. If your situation matches that, BJSS (CGI) is a competitive option.
Related comparisons
Infinum vs BJSS (CGI) FAQ
Is Infinum better than BJSS (CGI)?
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. BJSS (CGI)'s strongest advantage: long record on large NHS and government programmes.
How do Infinum and BJSS (CGI) differ in pricing?
Infinum uses time and materials, fixed price pricing. BJSS (CGI) uses time and materials, fixed price, managed service pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Infinum or BJSS (CGI)?
BJSS (CGI) 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 BJSS (CGI)?
Infinum's primary differentiator is: in-house product design and mobile engineering with a strong portfolio of consumer apps. BJSS (CGI)'s primary differentiator is: large UK onshore delivery capacity, now backed by CGI's global network. They also differ in team size (350–450 vs 2,000–2,500), minimum engagement (Not published vs Not published), and primary industries served (Financial services, Media vs Public sector, Healthcare).
Verify all details directly with each company before making a decision.