Best Software Development Outsourcing UK

Endava vs Box UK: full comparison for 2026

Quick verdict

Endava (4.5/5) edges ahead of Box UK (3.8/5) overall. Endava is the better choice for large UK programmes, payments and banking, nearshore at volume. Box UK is the stronger option for mid-sized web and e-commerce builds. The right choice depends on your project size, budget, and required tech stack.

Endava vs Box UK: head-to-head summary

Criterion Endava Box UK
Founded 2000 1998
HQ London, United Kingdom Cardiff, United Kingdom
Team size 10,000+ 50–100
Rating 4.5 / 5 3.8 / 5
Primary differentiator UK headquarters and governance with more than 10,000 engineers in lower-cost nearshore locations Small Welsh team with long-standing enterprise web clients
Pricing model Time and materials, managed service, outcome-based contracts Fixed price, time and materials, retainer
Min. engagement Not published Not published
Primary tech stack Java, .NET, AWS PHP, WordPress, Drupal
Industries served Financial services, Payments, Retail, Media and telecoms, Healthcare Retail, Media, Manufacturing, Healthcare

Endava vs Box UK: overview

Endava

Endava is the largest UK-headquartered company on this list built around nearshore delivery. It reported 11,479 staff at the end of June 2025, and the UK supplied 33% of revenue in the final quarter of that fiscal year. Delivery centres in Romania, Moldova, North Macedonia, Serbia, Bulgaria, Argentina and elsewhere let it staff large programmes at below-London cost. Headcount fell from 12,085 a year earlier, which reflects softer demand across the IT services market.

Box UK

Box UK was founded in Cardiff in 1998 and has a second office in London. Directories put its team at 50 to 100 people. It works on web platforms, e-commerce, user experience and managed services for clients including Jaguar Land Rover, Sodexo, the BMJ and RS Components. In June 2025 it announced a partnership with experimentation platform VWO.

Services and capabilities: Endava vs Box UK

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

Tech stack comparison: Endava vs Box UK

Framework / platform Endava Box UK
.NET ✓ N/A
Java ✓ N/A
Python ✓ N/A
React N/A ✓
AWS ✓ ✓
Azure ✓ N/A
Kubernetes ✓ N/A
Embedded N/A N/A

Pricing comparison: Endava vs Box UK

Criterion Endava Box UK
Minimum engagement Not published Not published
Engagement models Dedicated team, Managed service, Time and materials Fixed project, Time and materials, Managed service
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Endava vs Box UK

Dimension Endava Box UK
Best company size Enterprise Startup to mid-market
Best industries Financial services, Payments, Retail Retail, Media, Manufacturing
Best use cases A UK bank needs 50+ engineers for a multi-year core platform programme., A payments company wants a managed service covering development, testing and support. A manufacturer needs a B2B e-commerce platform., A publisher wants a new content platform.
Typical project type Dedicated team Fixed project

Endava vs Box UK: pros and cons

Endava
+ Public-company reporting gives buyers audited figures on headcount, revenue and client concentration
+ A UK board and London HQ simplify contracting and data-protection discussions for UK buyers
+ Delivery from several countries spreads risk if one location is disrupted
+ Long payments and banking track record with UK and European institutions
- Headcount dropped about 5% in the year to June 2025 as demand softened
- Smaller projects can get less senior attention than flagship accounts
- Day rates are higher than those of smaller Central European vendors
Box UK
+ Cardiff rates are lower than London consultancies
+ Senior people stay close to projects in a small team
+ Good experience with content-heavy web platforms
- Small team cannot staff large programmes
- No offshore option, so costs stay at UK levels

Who should choose Endava?

A typical fit: a UK bank needs 50+ engineers for a multi-year core platform programme.

UK headquarters and governance with more than 10,000 engineers in lower-cost nearshore locations. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Payments, Retail, Media and telecoms, Healthcare.

Who should choose Box UK?

A typical fit: a manufacturer needs a B2B e-commerce platform.

Small Welsh team with long-standing enterprise web clients. Minimum engagement is not publicly disclosed. Works best with clients in Retail, Media, Manufacturing, Healthcare.

Decision matrix: Endava vs Box UK

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

Use case fit: Endava vs Box UK

Use case Endava fit Box UK fit Winner
A UK bank needs 50+ engineers for a multi-year core platform programme. Strong Limited Endava
A payments company wants a managed service covering development, testing and support. Strong Limited Endava
A manufacturer needs a B2B e-commerce platform. Limited Strong Box UK
A publisher wants a new content platform. Limited Strong Box UK
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 Box UK

Verdict: Endava vs Box UK

Endava (4.5/5) is the stronger overall choice for most Software Development Outsourcing projects. UK headquarters and governance with more than 10,000 engineers in lower-cost nearshore locations.

Box UK (3.8/5) is worth a look in a scenario like this: a publisher wants a new content platform. If your situation matches that, Box UK is a competitive option.

Related comparisons

Endava vs Box UK FAQ

Is Endava better than Box UK?

Endava (4.5/5) scores higher overall, but "better" depends on your use case. Endava's strongest advantage: public-company reporting gives buyers audited figures on headcount, revenue and client concentration. Box UK's strongest advantage: cardiff rates are lower than London consultancies.

How do Endava and Box UK differ in pricing?

Endava uses time and materials, managed service, outcome-based contracts pricing. Box UK uses fixed price, time and materials, retainer pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Endava or Box UK?

Box UK 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 Endava and Box UK?

Endava's primary differentiator is: UK headquarters and governance with more than 10,000 engineers in lower-cost nearshore locations. Box UK's primary differentiator is: small Welsh team with long-standing enterprise web clients. They also differ in team size (10,000+ vs 50–100), minimum engagement (Not published vs Not published), and primary industries served (Financial services, Payments vs Retail, Media).

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