Best Software Development Outsourcing UK

Spyrosoft vs STX Next: full comparison for 2026

Quick verdict

Spyrosoft (4.2/5) edges ahead of STX Next (4.2/5) overall. Spyrosoft is the better choice for automotive and industrial software, UK-led Polish teams. STX Next is the stronger option for python back ends and data products, Polish rates. The right choice depends on your project size, budget, and required tech stack.

Spyrosoft vs STX Next: head-to-head summary

Criterion Spyrosoft STX Next
Founded 2016 2005
HQ Wrocław, Poland (UK office in Dorset) Poznań, Poland
Team size 1,500+ 500–600
Rating 4.2 / 5 4.2 / 5
Primary differentiator Polish engineering capacity with a UK co-founder running the UK business Deep Python specialism across web back ends, data engineering and machine learning
Pricing model Time and materials, dedicated team, fixed price Time and materials, dedicated team
Min. engagement Not published Not published
Primary tech stack C++, Java, .NET Python, Django, FastAPI
Industries served Automotive, Financial services, Manufacturing, Healthcare Fintech, Healthcare, Media, Retail

Spyrosoft vs STX Next: overview

Spyrosoft

Spyrosoft was set up in 2016 by a group that included UK-based co-founder Andrew Radcliffe, and its UK entity actually came before its first Polish office. It is headquartered in Wrocław and has grown quickly, with figures ranging from around 800 to 1,900 staff depending on the source. Spyrosoft Ltd runs UK operations from Dorset, with delivery mostly in Poland. Automotive, embedded and industrial software are notable strengths next to standard web and cloud work.

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.

Services and capabilities: Spyrosoft vs STX Next

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

Tech stack comparison: Spyrosoft vs STX Next

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

Pricing comparison: Spyrosoft vs STX Next

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

Target audience comparison: Spyrosoft vs STX Next

Dimension Spyrosoft STX Next
Best company size Startup to mid-market Startup to mid-market
Best industries Automotive, Financial services, Manufacturing Fintech, Healthcare, Media
Best use cases An automotive supplier needs infotainment or vehicle software engineers., A UK industrial company needs embedded and cloud developers for a monitoring product. A fintech needs a Django back end rebuilt and scaled., A media company wants data ingestion jobs and recommendation models written in Python.
Typical project type Dedicated team Dedicated team

Spyrosoft vs STX Next: pros and cons

Spyrosoft
+ UK leadership is part of the founding team rather than a later sales hire
+ Embedded and automotive work adds range for hardware-adjacent projects
+ Listed on the Warsaw Stock Exchange, so financial results are public
- Rapid growth through hiring and acquisitions can mean uneven maturity between business units
- The UK office is small; nearly all engineers are in Poland
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

Who should choose Spyrosoft?

A typical fit: an automotive supplier needs infotainment or vehicle software engineers.

Polish engineering capacity with a UK co-founder running the UK business. Minimum engagement is not publicly disclosed. Works best with clients in Automotive, Financial services, Manufacturing, Healthcare.

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.

Decision matrix: Spyrosoft vs STX Next

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

Use case fit: Spyrosoft vs STX Next

Use case Spyrosoft fit STX Next fit Winner
An automotive supplier needs infotainment or vehicle software engineers. Strong Limited Spyrosoft
A UK industrial company needs embedded and cloud developers for a monitoring product. Strong Limited Spyrosoft
A fintech needs a Django back end rebuilt and scaled. Limited Strong STX Next
A media company wants data ingestion jobs and recommendation models written in Python. Limited Strong STX Next
You need hardware, firmware or IoT work in the same contract Strong Limited Spyrosoft
You want a fixed-price first phase before a longer engagement Strong Limited Spyrosoft

Verdict: Spyrosoft vs STX Next

Spyrosoft (4.2/5) is the stronger overall choice for most Software Development Outsourcing projects. Polish engineering capacity with a UK co-founder running the UK business.

STX Next (4.2/5) is worth a look in a scenario like this: a media company wants data ingestion jobs and recommendation models written in Python. If your situation matches that, STX Next is a competitive option.

Related comparisons

Spyrosoft vs STX Next FAQ

Is Spyrosoft better than STX Next?

Spyrosoft (4.2/5) scores higher overall, but "better" depends on your use case. Spyrosoft's strongest advantage: UK leadership is part of the founding team rather than a later sales hire. STX Next's strongest advantage: python depth is hard to match among mid-sized European vendors.

How do Spyrosoft and STX Next differ in pricing?

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

Which is better for enterprise: Spyrosoft 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 Spyrosoft and STX Next?

Spyrosoft's primary differentiator is: polish engineering capacity with a UK co-founder running the UK business. STX Next's primary differentiator is: deep Python specialism across web back ends, data engineering and machine learning. They also differ in team size (1,500+ vs 500–600), minimum engagement (Not published vs Not published), and primary industries served (Automotive, Financial services vs Fintech, Healthcare).

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