Best Software Development Outsourcing UK

BJSS (CGI)

Leeds-founded delivery consultancy, part of CGI since February 2025

Founded 1993 | Leeds, United Kingdom (owned by CGI) | 2,000–2,500 employees
custom-softwarecloud-devopsdata-aipublic-sector-digitalqa-testing

What is 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.

BJSS (CGI) works primarily with clients in Public sector, Healthcare, Financial services, Retail, Energy sectors. What sets it apart: Large UK onshore delivery capacity, now backed by CGI's global network.

BJSS (CGI) tech stack and services

Java.NETAWSAzureKubernetesTerraformPython
Service area
Custom Software
Cloud & DevOps
Data & AI
Public Sector Digital
QA & Testing

BJSS (CGI) pricing

Short answer: BJSS (CGI) uses a time and materials, fixed price, managed service pricing approach. Minimum engagement is not publicly disclosed; a discovery call is required.

Engagement model Typical range Best for
Fixed project Quoted per project Well-defined scope
Managed service Variable; depends on team size Large programmes or team augmentation
Time and materials Variable; depends on team size Large programmes or team augmentation
BJSS (CGI) does not publish a public rate card. Contact them directly via their website to get project-specific pricing.

BJSS (CGI) pros and cons

Advantages Things to consider
+Long record on large NHS and government programmes -Acquired by CGI in 2025, and integration into CGI's model may change account teams and processes
+CGI ownership adds financial stability and access to nearshore centres -Large-consultancy pricing and governance are heavy for small projects
+Strong testing and quality engineering practice

BJSS (CGI) vs alternatives

How BJSS (CGI) compares to the other top Software Development Outsourcing companies.

Company Best for Main difference Rating Compare
Lemberg Solutions UK product companies, software plus hardware, nearshore rates. One team can own firmware, electronics, cloud back end and the user-facing app, managed from a London office 4.7 Full comparison
Future Processing UK insurers and financial firms, long-term nearshore teams. Twenty-five years of delivery from Poland with UK-based account leadership in the City 4.6 Full comparison
Endava Large UK programmes, payments and banking, nearshore at... UK headquarters and governance with more than 10,000 engineers in lower-cost nearshore locations 4.5 Full comparison
Godel Technologies UK mid-market firms wanting a UK-run nearshore team. UK management and contracting with engineers spread across four EU and EU-adjacent countries 4.4 Full comparison
ELEKS Data-heavy custom software, Ukrainian rates, mature processes. Three decades of outsourced delivery with an in-house research and development unit 4.4 Full comparison
Amdaris (Insight) UK firms on Azure, .NET modernisation, Eastern European... A UK base in Bristol with delivery from Moldova, one of the lower-cost locations in Europe 4.3 Full comparison
Scott Logic Capital markets and government, UK-only delivery required. Trading-system and capital-markets engineering from teams based entirely in the UK 4.3 Full comparison
Softwire UK media and charities, bespoke builds, onshore teams. Long-standing onshore bespoke development that trains its own graduate engineers 4.3 Full comparison
N-iX Large dedicated teams, data and cloud engineering, Ukrainian... A 2,400-engineer pool that can staff large data and cloud teams quickly 4.3 Full comparison
Spyrosoft Automotive and industrial software, UK-led Polish teams. Polish engineering capacity with a UK co-founder running the UK business 4.2 Full comparison
Equal Experts Senior engineers for complex delivery, government and retail. Senior-only teams drawn from a large associate network 4.2 Full comparison
STX Next Python back ends and data products, Polish rates. Deep Python specialism across web back ends, data engineering and machine learning 4.2 Full comparison
Kainos UK government digital services, Workday programmes. Combined government digital delivery and Workday partnership, listed on the LSE 4.2 Full comparison
Infinum Consumer apps where design quality matters. In-house product design and mobile engineering with a strong portfolio of consumer apps 4.1 Full comparison
Made Tech UK central and local government buyers. Public-sector-only focus with a growing contracted backlog 4.1 Full comparison
Zühlke Regulated industries, medical devices, banking. Swiss engineering discipline in regulated sectors with a UK team of about 150 4.1 Full comparison
Codurance Legacy modernisation, engineering-practice improvement. Craftsmanship-led delivery that also coaches in-house teams 4.1 Full comparison
Ciklum Large dedicated teams with a London contract. London headquarters with a long history of large dedicated teams in Ukraine and Central Europe 4.1 Full comparison
AND Digital Companies building in-house digital capability. Delivers products while explicitly upskilling the client's own staff 4.0 Full comparison
SoftServe Big cloud and data programmes, Ukrainian rates at... Scale and cloud partner status combined with Eastern European rates 4.0 Full comparison
DataArt Travel and finance firms, long-term nearshore teams. Two decades of London presence and specialist travel-industry engineering 4.0 Full comparison
Sigma Software Broad-scope outsourcing, Scandinavian-owned vendor. Swedish group ownership with Ukrainian and Polish engineering 4.0 Full comparison
Apadmi UK brands that need flagship mobile apps. Mobile-only specialism with a client list of household UK names 3.9 Full comparison
Thoughtworks Complex modernisation, engineering culture change. Thought leadership in software practice, backed by a large global delivery network 3.9 Full comparison
Hippo Digital Public bodies wanting user-centred service design. User research and service design led delivery for UK public services 3.9 Full comparison
EPAM Systems FTSE-scale programmes, strict compliance, huge teams. The largest delivery capacity on this list, with mature compliance and security processes 3.9 Full comparison
Version 1 Oracle and Microsoft estates, public-sector managed services. Managed services for Oracle, Microsoft and AWS estates with Indian and Spanish delivery 3.9 Full comparison
Box UK Mid-sized web and e-commerce builds. Small Welsh team with long-standing enterprise web clients 3.8 Full comparison
Itransition Budget-conscious buyers, broad generalist work. Low rates across a wide catalogue of development and platform services 3.8 Full comparison

BJSS (CGI) FAQ

What is BJSS (CGI)?

Leeds-founded delivery consultancy, part of CGI since February 2025

How much does BJSS (CGI) charge?

BJSS (CGI) uses time and materials, fixed price, managed service pricing. Minimum engagement is not publicly disclosed. A discovery call is required to get project-specific quotes.

What tech stack does BJSS (CGI) use?

BJSS (CGI) works with Java, .NET, AWS, Azure, Kubernetes, Terraform, Python. Primary industries served include Public sector, Healthcare, Financial services, Retail, Energy.

Is BJSS (CGI) right for enterprise?

NHS and government programmes, large onshore delivery. 2,000–2,500 team size. Main consideration: Acquired by CGI in 2025, and integration into CGI's model may change account teams and processes.

What are the best BJSS (CGI) alternatives?

The best alternatives to BJSS (CGI) depend on your use case. Top options are:

  • Lemberg Solutions: one team can own firmware, electronics, cloud back end and the user-facing app, managed from a london office
  • Future Processing: twenty-five years of delivery from poland with uk-based account leadership in the city
  • Endava: uk headquarters and governance with more than 10,000 engineers in lower-cost nearshore locations
See full alternatives list

Compare BJSS (CGI) with other Software Development Outsourcing companies

Verify all details directly with BJSS (CGI) before making a decision.