Best Software Development Outsourcing UK

Equal Experts vs Sigma Software: full comparison for 2026

Quick verdict

Equal Experts (4.2/5) edges ahead of Sigma Software (4.0/5) overall. Equal Experts is the better choice for senior engineers for complex delivery, government and retail. Sigma Software is the stronger option for broad-scope outsourcing, Scandinavian-owned vendor. The right choice depends on your project size, budget, and required tech stack.

Equal Experts vs Sigma Software: head-to-head summary

Criterion Equal Experts Sigma Software
Founded 2007 2002
HQ London, United Kingdom Stockholm, Sweden and Kyiv, Ukraine (UK presence)
Team size 1,000–4,000 (staff and associates) 2,000+
Rating 4.2 / 5 4.0 / 5
Primary differentiator Senior-only teams drawn from a large associate network Swedish group ownership with Ukrainian and Polish engineering
Pricing model Time and materials, capability-based Time and materials, dedicated team, fixed price
Min. engagement Not published Not published
Primary tech stack Java, Kotlin, TypeScript Java, .NET, C++
Industries served Public sector, Retail, Financial services, Telecoms Automotive, Telecoms, Financial services, Media, Healthcare

Equal Experts vs Sigma Software: overview

Equal Experts

Equal Experts launched in London in 2007 with a flat structure built around experienced engineers. The company lists a network of around 4,000 people, a mix of permanent staff and independent associates, and a consultancy directory reports that it is owned by its consultant and customer network through the Equal Experts Trust. UK clients have included HMRC, Defra and John Lewis. Teams are mostly senior and onshore, and its pricing reflects that.

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.

Services and capabilities: Equal Experts vs Sigma Software

Capability Equal Experts Sigma Software
Custom software development ✓ ✓
Mobile app development ✗ ✗
Cloud & DevOps ✓ ✓
Data & AI ✓ ✓
Legacy modernisation ✓ ✗
Embedded & IoT ✗ ✓
Dedicated team model ✗ ✓
Fixed-price projects ✗ ✓

Tech stack comparison: Equal Experts vs Sigma Software

Framework / platform Equal Experts Sigma Software
.NET N/A ✓
Java ✓ ✓
Python N/A ✓
React N/A ✓
AWS ✓ ✓
Azure N/A ✓
Kubernetes ✓ N/A
Embedded N/A N/A

Pricing comparison: Equal Experts vs Sigma Software

Criterion Equal Experts Sigma Software
Minimum engagement Not published Not published
Engagement models Time and materials, Team extension Dedicated team, Fixed project, Time and materials
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Equal Experts vs Sigma Software

Dimension Equal Experts Sigma Software
Best company size Mid-market to enterprise Startup to mid-market
Best industries Public sector, Retail, Financial services Automotive, Telecoms, Financial services
Best use cases A government department needs senior engineers to rescue a struggling platform., A retailer wants a cloud platform team to build internal developer tooling. A telecoms firm needs network software engineers., An automotive supplier wants embedded developers.
Typical project type Time and materials Dedicated team

Equal Experts vs Sigma Software: pros and cons

Equal Experts
+ Consultants are typically very experienced, which reduces the need for close supervision
+ Proven track record on large UK government platforms such as HMRC's
+ Ownership structure aligns consultants with long-term client outcomes
- Associate-heavy model means team members may change between engagements
- Mostly onshore and senior, so day rates are among the higher ones on this list
Sigma Software
+ Swedish parent adds governance and financial backing
+ Broad technical range, including embedded and automotive
+ Ukrainian and Polish rates
- UK office details are hard to confirm from public sources
- Breadth means less obvious specialism in any one area

Who should choose Equal Experts?

A typical fit: a government department needs senior engineers to rescue a struggling platform.

Senior-only teams drawn from a large associate network. Minimum engagement is not publicly disclosed. Works best with clients in Public sector, Retail, Financial services, Telecoms.

Who should choose Sigma Software?

A typical fit: a telecoms firm needs network software engineers.

Swedish group ownership with Ukrainian and Polish engineering. Minimum engagement is not publicly disclosed. Works best with clients in Automotive, Telecoms, Financial services, Media, Healthcare.

Decision matrix: Equal Experts vs Sigma Software

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Sigma Software
You need a large dedicated team for an ongoing programme Sigma Software
Your budget is at the lower end Compare: Equal Experts (Not published) vs Sigma Software (Not published)
You need specialist depth in a specific vertical Sigma Software
You want engineers added to your own in-house team Equal Experts
Your product includes hardware, firmware or connected devices Sigma Software

Use case fit: Equal Experts vs Sigma Software

Use case Equal Experts fit Sigma Software fit Winner
A government department needs senior engineers to rescue a struggling platform. Strong Limited Equal Experts
A retailer wants a cloud platform team to build internal developer tooling. Strong Limited Equal Experts
A telecoms firm needs network software engineers. Limited Strong Sigma Software
An automotive supplier wants embedded developers. Limited Strong Sigma Software
You need hardware, firmware or IoT work in the same contract Limited Strong Sigma Software
You want a fixed-price first phase before a longer engagement Limited Strong Sigma Software

Verdict: Equal Experts vs Sigma Software

Equal Experts (4.2/5) is the stronger overall choice for most Software Development Outsourcing projects. Senior-only teams drawn from a large associate network.

Sigma Software (4.0/5) is worth a look in a scenario like this: an automotive supplier wants embedded developers. If your situation matches that, Sigma Software is a competitive option.

Related comparisons

Equal Experts vs Sigma Software FAQ

Is Equal Experts better than Sigma Software?

Equal Experts (4.2/5) scores higher overall, but "better" depends on your use case. Equal Experts's strongest advantage: consultants are typically very experienced, which reduces the need for close supervision. Sigma Software's strongest advantage: swedish parent adds governance and financial backing.

How do Equal Experts and Sigma Software differ in pricing?

Equal Experts uses time and materials, capability-based pricing. Sigma Software uses time and materials, dedicated team, fixed price pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Equal Experts or Sigma Software?

Equal Experts 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 Equal Experts and Sigma Software?

Equal Experts's primary differentiator is: senior-only teams drawn from a large associate network. Sigma Software's primary differentiator is: swedish group ownership with Ukrainian and Polish engineering. They also differ in team size (1,000–4,000 (staff and associates) vs 2,000+), minimum engagement (Not published vs Not published), and primary industries served (Public sector, Retail vs Automotive, Telecoms).

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