Best Software Development Outsourcing UK

Softwire vs BJSS (CGI): full comparison for 2026

Quick verdict

Softwire (4.3/5) edges ahead of BJSS (CGI) (4.0/5) overall. Softwire is the better choice for UK media and charities, bespoke builds, onshore teams. 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.

Softwire vs BJSS (CGI): head-to-head summary

Criterion Softwire BJSS (CGI)
Founded 2000 1993
HQ London, United Kingdom Leeds, United Kingdom (owned by CGI)
Team size 250–500 2,000–2,500
Rating 4.3 / 5 4.0 / 5
Primary differentiator Long-standing onshore bespoke development that trains its own graduate engineers 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 C#, .NET, Java Java, .NET, AWS
Industries served Media, Charities, Public sector, Education, Retail Public sector, Healthcare, Financial services, Retail, Energy

Softwire vs BJSS (CGI): overview

Softwire

Softwire has been writing bespoke software out of London since 2000; the legal entity was incorporated in 1999. Directory estimates put its headcount anywhere between 240 and 500, with offices in London, Manchester and Bristol. Clients have included the BBC and Channel 5, and the firm also runs a developer training programme. Nearly all of its delivery happens in the UK, so it competes on quality and communication rather than price.

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: Softwire vs BJSS (CGI)

Capability Softwire 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: Softwire vs BJSS (CGI)

Framework / platform Softwire BJSS (CGI)
.NET ✓ ✓
Java ✓ ✓
Python N/A ✓
React ✓ N/A
AWS ✓ ✓
Azure ✓ ✓
Kubernetes N/A ✓
Embedded N/A N/A

Pricing comparison: Softwire vs BJSS (CGI)

Criterion Softwire 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: Softwire vs BJSS (CGI)

Dimension Softwire BJSS (CGI)
Best company size Startup to mid-market Startup to mid-market
Best industries Media, Charities, Public sector Public sector, Healthcare, Financial services
Best use cases A broadcaster needs a new content management or scheduling tool., A charity wants a donor platform built by a UK team it can visit. 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

Softwire vs BJSS (CGI): pros and cons

Softwire
+ Twenty-five years of bespoke UK delivery with recognisable media clients
+ Onshore teams make workshops and on-site sessions easy
+ Willing to take on fixed-price work for well-scoped projects
- UK-based delivery means higher rates than nearshore vendors
- Headcount and office figures vary widely between directories, so ask for current numbers
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 Softwire?

A typical fit: a broadcaster needs a new content management or scheduling tool.

Long-standing onshore bespoke development that trains its own graduate engineers. Minimum engagement is not publicly disclosed. Works best with clients in Media, Charities, Public sector, Education, 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: Softwire vs BJSS (CGI)

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Softwire
You need a large dedicated team for an ongoing programme Check each company's engagement model
Your budget is at the lower end Compare: Softwire (Not published) vs BJSS (CGI) (Not published)
You need specialist depth in a specific vertical Softwire
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: Softwire vs BJSS (CGI)

Use case Softwire fit BJSS (CGI) fit Winner
A broadcaster needs a new content management or scheduling tool. Strong Limited Softwire
A charity wants a donor platform built by a UK team it can visit. Strong Limited Softwire
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: Softwire vs BJSS (CGI)

Softwire (4.3/5) is the stronger overall choice for most Software Development Outsourcing projects. Long-standing onshore bespoke development that trains its own graduate engineers.

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

Softwire vs BJSS (CGI) FAQ

Is Softwire better than BJSS (CGI)?

Softwire (4.3/5) scores higher overall, but "better" depends on your use case. Softwire's strongest advantage: twenty-five years of bespoke UK delivery with recognisable media clients. BJSS (CGI)'s strongest advantage: long record on large NHS and government programmes.

How do Softwire and BJSS (CGI) differ in pricing?

Softwire 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: Softwire 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 Softwire and BJSS (CGI)?

Softwire's primary differentiator is: long-standing onshore bespoke development that trains its own graduate engineers. BJSS (CGI)'s primary differentiator is: large UK onshore delivery capacity, now backed by CGI's global network. They also differ in team size (250–500 vs 2,000–2,500), minimum engagement (Not published vs Not published), and primary industries served (Media, Charities vs Public sector, Healthcare).

Verify all details directly with each company before making a decision.