Best Software Development Outsourcing UK

STX Next vs Hippo Digital: full comparison for 2026

Quick verdict

STX Next (4.2/5) edges ahead of Hippo Digital (3.9/5) overall. STX Next is the better choice for python back ends and data products, Polish rates. Hippo Digital is the stronger option for public bodies wanting user-centred service design. The right choice depends on your project size, budget, and required tech stack.

STX Next vs Hippo Digital: head-to-head summary

Criterion STX Next Hippo Digital
Founded 2005 2016
HQ Poznań, Poland Leeds, United Kingdom
Team size 500–600 400–500
Rating 4.2 / 5 3.9 / 5
Primary differentiator Deep Python specialism across web back ends, data engineering and machine learning User research and service design led delivery for UK public services
Pricing model Time and materials, dedicated team Framework call-offs, time and materials
Min. engagement Not published Not published
Primary tech stack Python, Django, FastAPI Java, Python, TypeScript
Industries served Fintech, Healthcare, Media, Retail Public sector, Healthcare, Housing, Education

STX Next vs Hippo Digital: 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.

Hippo Digital

Hippo Digital launched in Leeds in 2016, founded by Adam Lewis with co-founders including Robert Coop. Its early years were shaped by the DWP and Government Digital Service academies, and several academy graduates joined the firm. It employs around 400 people, with work centred on user research, service design and agile delivery for government and health.

Services and capabilities: STX Next vs Hippo Digital

Capability STX Next Hippo Digital
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 Hippo Digital

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

Pricing comparison: STX Next vs Hippo Digital

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

Target audience comparison: STX Next vs Hippo Digital

Dimension STX Next Hippo Digital
Best company size Startup to mid-market Startup to mid-market
Best industries Fintech, Healthcare, Media Public sector, Healthcare, Housing
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 council needs a citizen-facing service redesigned., A health body wants user research before a rebuild.
Typical project type Dedicated team Fixed project

STX Next vs Hippo Digital: 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
Hippo Digital
+ Strong user research and service design capability
+ Northern base keeps rates below London
+ Familiar with GDS assessments
- Limited private-sector track record
- No nearshore delivery, so there's no cost advantage

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 Hippo Digital?

A typical fit: a council needs a citizen-facing service redesigned.

User research and service design led delivery for UK public services. Minimum engagement is not publicly disclosed. Works best with clients in Public sector, Healthcare, Housing, Education.

Decision matrix: STX Next vs Hippo Digital

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Hippo Digital
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 Hippo Digital (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 Hippo Digital

Use case STX Next fit Hippo Digital 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 council needs a citizen-facing service redesigned. Limited Strong Hippo Digital
A health body wants user research before a rebuild. Limited Strong Hippo Digital
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 Hippo Digital

Verdict: STX Next vs Hippo Digital

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.

Hippo Digital (3.9/5) is worth a look in a scenario like this: a health body wants user research before a rebuild. If your situation matches that, Hippo Digital is a competitive option.

Related comparisons

STX Next vs Hippo Digital FAQ

Is STX Next better than Hippo Digital?

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. Hippo Digital's strongest advantage: strong user research and service design capability.

How do STX Next and Hippo Digital differ in pricing?

STX Next uses time and materials, dedicated team pricing. Hippo Digital uses framework call-offs, time and materials 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 Hippo Digital?

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 Hippo Digital?

STX Next's primary differentiator is: deep Python specialism across web back ends, data engineering and machine learning. Hippo Digital's primary differentiator is: user research and service design led delivery for UK public services. They also differ in team size (500–600 vs 400–500), minimum engagement (Not published vs Not published), and primary industries served (Fintech, Healthcare vs Public sector, Healthcare).

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