Best Software Development Outsourcing UK

STX Next vs Codurance: full comparison for 2026

Quick verdict

STX Next (4.2/5) edges ahead of Codurance (4.1/5) overall. STX Next is the better choice for python back ends and data products, Polish rates. Codurance is the stronger option for legacy modernisation, engineering-practice improvement. The right choice depends on your project size, budget, and required tech stack.

STX Next vs Codurance: head-to-head summary

Criterion STX Next Codurance
Founded 2005 2013
HQ Poznań, Poland London, United Kingdom
Team size 500–600 150–300
Rating 4.2 / 5 4.1 / 5
Primary differentiator Deep Python specialism across web back ends, data engineering and machine learning Craftsmanship-led delivery that also coaches in-house teams
Pricing model Time and materials, dedicated team Time and materials, fixed price
Min. engagement Not published Not published
Primary tech stack Python, Django, FastAPI Java, Kotlin, C#
Industries served Fintech, Healthcare, Media, Retail Financial services, Retail, Media, Public sector

STX Next vs Codurance: overview

STX Next

STX Next was founded in Poznań in 2005 and built its name as one of Europe's largest Python-focused development companies. Its March 2025 anniversary release cited about 500 people and more than 1,000 projects delivered. A later combination with Gliwice's Brainhub added roughly 100 more engineers. Innova Capital has been an investor since 2020.

Codurance

Mashooq Badar co-founded Codurance in London in 2013. Its pitch is software craftsmanship: test-driven development, pairing and clean architecture. Besides London and Manchester, it has offices in Barcelona, Madrid and Lisbon, which bring Iberian rates into the mix. Headcount estimates range from roughly 170 to 300.

Services and capabilities: STX Next vs Codurance

Capability STX Next Codurance
Custom software development ✓ ✓
Mobile app development ✗ ✗
Cloud & DevOps ✓ ✓
Data & AI ✓ ✗
Legacy modernisation ✗ ✓
Embedded & IoT ✗ ✗
Dedicated team model ✓ ✗
Fixed-price projects ✗ ✓

Tech stack comparison: STX Next vs Codurance

Framework / platform STX Next Codurance
.NET N/A ✓
Java N/A ✓
Python ✓ N/A
React ✓ N/A
AWS ✓ ✓
Azure N/A ✓
Kubernetes N/A N/A
Embedded N/A N/A

Pricing comparison: STX Next vs Codurance

Criterion STX Next Codurance
Minimum engagement Not published Not published
Engagement models Dedicated team, Team extension, Time and materials Fixed project, Team extension, Time and materials
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: STX Next vs Codurance

Dimension STX Next Codurance
Best company size Startup to mid-market Startup to mid-market
Best industries Fintech, Healthcare, Media Financial services, Retail, Media
Best use cases A fintech needs a Django back end rebuilt and scaled., A media company wants data ingestion jobs and recommendation models written in Python. A company needs a monolith split into services without stopping feature work., An engineering team wants to adopt test-driven development and pairing with outside help.
Typical project type Dedicated team Fixed project

STX Next vs Codurance: pros and cons

STX Next
+ Python depth is hard to match among mid-sized European vendors
+ Combined STX Next and Brainhub team adds JavaScript and product capacity
+ Polish location gives near-total working-day overlap with the UK
- No staffed UK office was found, so account management is run from Poland
- The Brainhub merger is recent, and integration may take time
Codurance
+ Strong on cleaning up legacy codebases and raising engineering standards
+ Spanish and Portuguese offices provide a cheaper option without leaving Western Europe
+ Coaching is built into engagements, so client teams improve along the way
- Small team limits how fast it can staff a large programme
- Iberian rates are higher than Central and Eastern European ones

Who should choose STX Next?

A typical fit: a fintech needs a Django back end rebuilt and scaled.

Deep Python specialism across web back ends, data engineering and machine learning. Minimum engagement is not publicly disclosed. Works best with clients in Fintech, Healthcare, Media, Retail.

Who should choose Codurance?

A typical fit: a company needs a monolith split into services without stopping feature work.

Craftsmanship-led delivery that also coaches in-house teams. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Retail, Media, Public sector.

Decision matrix: STX Next vs Codurance

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Codurance
You need a large dedicated team for an ongoing programme STX Next
Your budget is at the lower end Compare: STX Next (Not published) vs Codurance (Not published)
You need specialist depth in a specific vertical STX Next
You want engineers added to your own in-house team STX Next
Your product includes hardware, firmware or connected devices Neither; consider an embedded specialist

Use case fit: STX Next vs Codurance

Use case STX Next fit Codurance fit Winner
A fintech needs a Django back end rebuilt and scaled. Strong Limited STX Next
A media company wants data ingestion jobs and recommendation models written in Python. Strong Limited STX Next
A company needs a monolith split into services without stopping feature work. Limited Strong Codurance
An engineering team wants to adopt test-driven development and pairing with outside help. Limited Strong Codurance
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 Limited Strong Codurance

Verdict: STX Next vs Codurance

STX Next (4.2/5) is the stronger overall choice for most Software Development Outsourcing projects. Deep Python specialism across web back ends, data engineering and machine learning.

Codurance (4.1/5) is worth a look in a scenario like this: an engineering team wants to adopt test-driven development and pairing with outside help. If your situation matches that, Codurance is a competitive option.

Related comparisons

STX Next vs Codurance FAQ

Is STX Next better than Codurance?

STX Next (4.2/5) scores higher overall, but "better" depends on your use case. STX Next's strongest advantage: python depth is hard to match among mid-sized European vendors. Codurance's strongest advantage: strong on cleaning up legacy codebases and raising engineering standards.

How do STX Next and Codurance differ in pricing?

STX Next uses time and materials, dedicated team pricing. Codurance uses time and materials, fixed price pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: STX Next or Codurance?

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 STX Next and Codurance?

STX Next's primary differentiator is: deep Python specialism across web back ends, data engineering and machine learning. Codurance's primary differentiator is: craftsmanship-led delivery that also coaches in-house teams. They also differ in team size (500–600 vs 150–300), minimum engagement (Not published vs Not published), and primary industries served (Fintech, Healthcare vs Financial services, Retail).

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