Best Software Development Outsourcing UK

Sigma Software

Swedish-Ukrainian engineering group with more than 2,000 professionals and a UK presence

Founded 2002 | Stockholm, Sweden and Kyiv, Ukraine (UK presence) | 2,000+ employees
custom-softwareembedded-iotcloud-devopsdata-aidedicated-teams

What is 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.

Sigma Software works primarily with clients in Automotive, Telecoms, Financial services, Media, Healthcare sectors. What sets it apart: Swedish group ownership with Ukrainian and Polish engineering.

Sigma Software tech stack and services

Java.NETC++PythonAWSAzureReact
Service area
Custom Software
Embedded & IoT
Cloud & DevOps
Data & AI
Dedicated Teams

Sigma Software pricing

Short answer: Sigma Software uses a time and materials, dedicated team, fixed price pricing approach. Minimum engagement is not publicly disclosed; a discovery call is required.

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

Sigma Software pros and cons

Advantages Things to consider
+Swedish parent adds governance and financial backing -UK office details are hard to confirm from public sources
+Broad technical range, including embedded and automotive -Breadth means less obvious specialism in any one area
+Ukrainian and Polish rates

Sigma Software vs alternatives

How Sigma Software 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
BJSS (CGI) NHS and government programmes, large onshore delivery. Large UK onshore delivery capacity, now backed by CGI's global network 4.0 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
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

Sigma Software FAQ

What is Sigma Software?

Swedish-Ukrainian engineering group with more than 2,000 professionals and a UK presence

How much does Sigma Software charge?

Sigma Software uses time and materials, dedicated team, fixed price pricing. Minimum engagement is not publicly disclosed. A discovery call is required to get project-specific quotes.

What tech stack does Sigma Software use?

Sigma Software works with Java, .NET, C++, Python, AWS, Azure, React. Primary industries served include Automotive, Telecoms, Financial services, Media, Healthcare.

Is Sigma Software right for enterprise?

Broad-scope outsourcing, Scandinavian-owned vendor. 2,000+ team size. Main consideration: UK office details are hard to confirm from public sources.

What are the best Sigma Software alternatives?

The best alternatives to Sigma Software 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 Sigma Software with other Software Development Outsourcing companies

Verify all details directly with Sigma Software before making a decision.