Top Software Outsourcing Companies UK

ELEKS vs STX Next: full comparison for 2026

Quick verdict

ELEKS (4.0/5) edges ahead of STX Next (3.9/5) overall. ELEKS is the better choice for UK enterprise buyers wanting three and a half decades of delivery history. STX Next is the stronger option for UK buyers wanting a Python and data-engineering specialist with a local office. The right choice depends on your project size, budget, and required tech stack.

ELEKS vs STX Next: head-to-head summary

Criterion ELEKS STX Next
Founded 1991 2005
HQ Lviv, Ukraine Poznań, Poland (delivery centers in Poland and Mexico; offices in the UK, Germany, and the US)
Team size 2,000+ 150–300 (per company website; independently unverifiable precise figure)
Rating 4.0 / 5 3.9 / 5
Primary differentiator Longest continuous operating history on this list, delivered within easy UK working-hours overlap A Python-native engineering culture paired with a staffed UK office
Pricing model Fixed-scope and dedicated-team enterprise engagements Dedicated-team and fixed-project engagements
Min. engagement Not published Not published
Primary tech stack Java, .NET, AWS Python, Django, AWS
Industries served Healthcare, Insurance, Financial services Fintech, SaaS, Healthcare

ELEKS vs STX Next: overview

ELEKS

Lviv sits one to two hours ahead of UK time depending on the season, close enough for a full overlapping working day, which matters for ELEKS specifically given the company has been running continuously from there since 1991, a year before Ukraine declared independence. That three-and-a-half-decade history has produced a deep healthcare, insurance, and fintech track record and a stable, senior-heavy delivery process. Its public positioning leans on decades of history more than any single sharp technical specialty.

STX Next

STX Next started in Poznań, Poland in 2005 around Python engineering specifically, and has since broadened into AI, data engineering, and cloud work while keeping delivery centers in Poland and Mexico and adding offices in the UK, Germany, and the US. That UK office is a staffed local presence rather than a virtual sales address, useful for a British buyer who wants an in-market contact point for a Python-heavy or data-engineering-heavy build. Its Python-first technical culture is a real specialization most general outsourcing vendors on this list don't claim.

Services and capabilities: ELEKS vs STX Next

Capability ELEKS STX Next
Custom build
Consulting
Integration
Staff augmentation
Fixed-price projects
Dedicated team model

Tech stack comparison: ELEKS vs STX Next

Framework / platform ELEKS STX Next
React N/A
AWS
Node.js N/A N/A
Java N/A
.NET N/A

Pricing comparison: ELEKS vs STX Next

Criterion ELEKS STX Next
Minimum engagement Not published Not published
Engagement models Dedicated team, Fixed project, Consulting Dedicated team, Fixed project
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: ELEKS vs STX Next

Dimension ELEKS STX Next
Best company size Startup to mid-market Startup to mid-market
Best industries Healthcare, Insurance, Financial services Fintech, SaaS, Healthcare
Best use cases A UK insurance or financial services company modernizing a legacy core system., A buyer wanting real-time collaboration during UK working hours without a large timezone gap. A UK company building a Python-heavy backend or data engineering pipeline., A buyer wanting a local UK office contact for a Polish-delivered engagement.
Typical project type Dedicated team Dedicated team

ELEKS vs STX Next: pros and cons

ELEKS
+ Longest operating history of any company on this list, since 1991.
+ One-to-two-hour timezone gap with the UK, close enough for full working-day overlap.
+ Deep, verified healthcare and insurance regulatory experience.
- Broad enterprise-consultancy positioning rather than one sharply named technical specialty
- No dedicated UK office, unlike Ciklum or Endava on this list
STX Next
+ A real, staffed UK office alongside its Polish delivery base.
+ Python-first engineering culture, a real specialty most generalist vendors don't claim.
+ Two decades of continuous operation since 2005.
- Python specialization matters less to a buyer standardized on a different backend stack
- Boutique scale relative to the largest firms on this list

Who should choose ELEKS?

A typical fit: a UK insurance or financial services company modernizing a legacy core system.

Longest continuous operating history on this list, delivered within easy UK working-hours overlap. Minimum engagement is not publicly disclosed. Works best with clients in Healthcare, Insurance, Financial services.

Who should choose STX Next?

A typical fit: a UK company building a Python-heavy backend or data engineering pipeline.

A Python-native engineering culture paired with a staffed UK office. Minimum engagement is not publicly disclosed. Works best with clients in Fintech, SaaS, Healthcare.

Decision matrix: ELEKS vs STX Next

Your situation Recommended choice
You need full-ownership delivery on a defined project scope ELEKS
You need a large dedicated team for an ongoing programme ELEKS
Your budget is at the lower end Compare: ELEKS (Not published) vs STX Next (Not published)
You need specialist depth in a specific vertical ELEKS
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Both may offer discovery engagements

Use case fit: ELEKS vs STX Next

Use case ELEKS fit STX Next fit Winner
A UK insurance or financial services company modernizing a legacy core system. Strong Strong Both equally
A buyer wanting real-time collaboration during UK working hours without a large timezone gap. Strong Strong Both equally
A UK company building a Python-heavy backend or data engineering pipeline. Strong Strong Both equally
A buyer wanting a local UK office contact for a Polish-delivered engagement. Strong Strong Both equally
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: ELEKS vs STX Next

ELEKS (4.0/5) is the stronger overall choice for most Software Outsourcing (UK) projects. Longest continuous operating history on this list, delivered within easy UK working-hours overlap.

STX Next (3.9/5) is worth a look if you need a buyer wanting a local UK office contact for a Polish-delivered engagement. If your situation matches that, STX Next is a competitive option.

Related comparisons

ELEKS vs STX Next FAQ

Is ELEKS better than STX Next?

ELEKS (4.0/5) scores higher overall, but "better" depends on your use case. ELEKS's strongest advantage: longest operating history of any company on this list, since 1991. STX Next's strongest advantage: a real, staffed UK office alongside its Polish delivery base.

How do ELEKS and STX Next differ in pricing?

ELEKS uses fixed-scope and dedicated-team enterprise engagements pricing. STX Next uses dedicated-team and fixed-project engagements pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: ELEKS or STX Next?

STX Next 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 ELEKS and STX Next?

ELEKS's primary differentiator is: longest continuous operating history on this list, delivered within easy UK working-hours overlap. STX Next's primary differentiator is: a Python-native engineering culture paired with a staffed UK office. They also differ in team size (2,000+ vs 150–300 (per company website; independently unverifiable precise figure)), minimum engagement (Not published vs Not published), and primary industries served (Healthcare, Insurance vs Fintech, SaaS).

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