Zühlke vs BJSS (CGI): full comparison for 2026
Quick verdict
Zühlke (4.1/5) edges ahead of BJSS (CGI) (4.0/5) overall. Zühlke is the better choice for regulated industries, medical devices, banking. 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.
Zühlke vs BJSS (CGI): head-to-head summary
| Criterion | Zühlke | BJSS (CGI) |
|---|---|---|
| Founded | 1968 | 1993 |
| HQ | Schlieren, Switzerland (UK offices in London, Manchester, Edinburgh) | Leeds, United Kingdom (owned by CGI) |
| Team size | 1,500–2,000 | 2,000–2,500 |
| Rating | 4.1 / 5 | 4.0 / 5 |
| Primary differentiator | Swiss engineering discipline in regulated sectors with a UK team of about 150 | 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 | Java, .NET, Azure | Java, .NET, AWS |
| Industries served | Financial services, Healthcare and medical devices, Public sector, Manufacturing | Public sector, Healthcare, Financial services, Retail, Energy |
Zühlke vs BJSS (CGI): overview
Zühlke
Zühlke was founded in Switzerland in 1968 and employs close to 2,000 people, with nearshore centres in Serbia, Bulgaria, Portugal and Vietnam. The UK business marked 25 years in 2025 and has nearly 150 staff across London, Manchester and Edinburgh, led by UK CEO Angela Bishop since October 2024. UK clients include HSBC and NHS England. Its medical-device and regulated-industry engineering background is unusual for a services firm of this size.
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: Zühlke vs BJSS (CGI)
| Capability | Zühlke | 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: Zühlke vs BJSS (CGI)
| Framework / platform | Zühlke | BJSS (CGI) |
|---|---|---|
| .NET | ✓ | ✓ |
| Java | ✓ | ✓ |
| Python | ✓ | ✓ |
| React | ✓ | N/A |
| AWS | ✓ | ✓ |
| Azure | ✓ | ✓ |
| Kubernetes | N/A | ✓ |
| Embedded | ✓ | N/A |
Pricing comparison: Zühlke vs BJSS (CGI)
| Criterion | Zühlke | 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: Zühlke vs BJSS (CGI)
| Dimension | Zühlke | BJSS (CGI) |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Financial services, Healthcare and medical devices, Public sector | Public sector, Healthcare, Financial services |
| Best use cases | A medtech company needs software developed under IEC 62304., A bank wants a regulated customer platform built with strong engineering governance. | 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 |
Zühlke vs BJSS (CGI): pros and cons
| Zühlke | |
|---|---|
| + | Experience with medical device software regulations is rare among UK suppliers |
| + | Nearshore hubs give some cost flexibility beyond the UK team |
| + | Long-standing UK presence with named banking and NHS clients |
| - | Swiss rate cards are high, even with nearshore staff in the mix |
| - | The UK team is small relative to the group |
| 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 Zühlke?
A typical fit: a medtech company needs software developed under IEC 62304.
Swiss engineering discipline in regulated sectors with a UK team of about 150. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Healthcare and medical devices, Public sector, Manufacturing.
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: Zühlke vs BJSS (CGI)
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Zühlke |
| You need a large dedicated team for an ongoing programme | Check each company's engagement model |
| Your budget is at the lower end | Compare: Zühlke (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 | Zühlke |
Use case fit: Zühlke vs BJSS (CGI)
| Use case | Zühlke fit | BJSS (CGI) fit | Winner |
|---|---|---|---|
| A medtech company needs software developed under IEC 62304. | Strong | Limited | Zühlke |
| A bank wants a regulated customer platform built with strong engineering governance. | Strong | Limited | Zühlke |
| 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 | Strong | Limited | Zühlke |
| You want a fixed-price first phase before a longer engagement | Strong | Strong | Both equally |
Verdict: Zühlke vs BJSS (CGI)
Zühlke (4.1/5) is the stronger overall choice for most Software Development Outsourcing projects. Swiss engineering discipline in regulated sectors with a UK team of about 150.
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
Zühlke vs BJSS (CGI) FAQ
Is Zühlke better than BJSS (CGI)?
Zühlke (4.1/5) scores higher overall, but "better" depends on your use case. Zühlke's strongest advantage: experience with medical device software regulations is rare among UK suppliers. BJSS (CGI)'s strongest advantage: long record on large NHS and government programmes.
How do Zühlke and BJSS (CGI) differ in pricing?
Zühlke 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: Zühlke 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 Zühlke and BJSS (CGI)?
Zühlke's primary differentiator is: swiss engineering discipline in regulated sectors with a UK team of about 150. BJSS (CGI)'s primary differentiator is: large UK onshore delivery capacity, now backed by CGI's global network. They also differ in team size (1,500–2,000 vs 2,000–2,500), minimum engagement (Not published vs Not published), and primary industries served (Financial services, Healthcare and medical devices vs Public sector, Healthcare).
Verify all details directly with each company before making a decision.