Best Software Development Outsourcing UK

ELEKS vs Infinum: full comparison for 2026

Quick verdict

ELEKS (4.4/5) edges ahead of Infinum (4.1/5) overall. ELEKS is the better choice for data-heavy custom software, Ukrainian rates, mature processes. Infinum is the stronger option for consumer apps where design quality matters. The right choice depends on your project size, budget, and required tech stack.

ELEKS vs Infinum: head-to-head summary

Criterion ELEKS Infinum
Founded 1991 2005
HQ Tallinn, Estonia (engineering in Lviv; London office) Zagreb, Croatia (London office)
Team size 2,000+ 350–450
Rating 4.4 / 5 4.1 / 5
Primary differentiator Three decades of outsourced delivery with an in-house research and development unit In-house product design and mobile engineering with a strong portfolio of consumer apps
Pricing model Time and materials, dedicated team, fixed price Time and materials, fixed price
Min. engagement Not published Not published
Primary tech stack .NET, Java, Python Swift, Kotlin, Flutter
Industries served Financial services, Logistics, Healthcare, Media, Retail Financial services, Media, Healthcare, Retail

ELEKS vs Infinum: overview

ELEKS

ELEKS began in Lviv in 1991, which makes it one of the oldest software companies in Ukraine. It now lists Tallinn, Estonia as its corporate headquarters and keeps a London office on Beech Street. Around 2,000 specialists work on custom software, data science, and research and development projects, mostly from Ukraine and Poland. Its long history with Western European clients shows in fairly mature delivery processes.

Infinum

Infinum was founded in Zagreb, Croatia in 2005 and employs around 400 people across Zagreb, Varaždin, Ljubljana, Podgorica, Amsterdam, New York and London. Its London office opened in 2021. The company is best known for polished mobile and web products, with design and engineering kept under one roof. Croatian rates sit below the UK but above the cheapest Eastern European options.

Services and capabilities: ELEKS vs Infinum

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

Tech stack comparison: ELEKS vs Infinum

Framework / platform ELEKS Infinum
.NET ✓ N/A
Java ✓ N/A
Python ✓ N/A
React ✓ ✓
AWS ✓ N/A
Azure ✓ N/A
Kubernetes N/A N/A
Embedded N/A N/A

Pricing comparison: ELEKS vs Infinum

Criterion ELEKS Infinum
Minimum engagement Not published Not published
Engagement models Dedicated team, Fixed project, Time and materials Fixed project, Time and materials
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: ELEKS vs Infinum

Dimension ELEKS Infinum
Best company size Startup to mid-market Startup to mid-market
Best industries Financial services, Logistics, Healthcare Financial services, Media, Healthcare
Best use cases A logistics firm wants route and demand forecasting built into its operations software., A UK company needs a dedicated team for a multi-year product build at nearshore rates. A bank wants a new retail banking app designed and built., A media brand needs iOS and Android apps with a shared design system.
Typical project type Dedicated team Fixed project

ELEKS vs Infinum: pros and cons

ELEKS
+ Thirty-plus years in business is a strong signal of stability for a long contract
+ A London office gives UK buyers a local contracting and meeting point
+ Data science and analytics work is a genuine strength alongside general development
+ Rates are in the Ukrainian band, well under UK onshore pricing
- Most engineering is in Ukraine, so buyers should review continuity plans given the war
- The London office is mainly a sales and account presence, not a delivery centre
Infinum
+ Design and engineering work as one team, which helps consumer-facing products
+ EU-based delivery simplifies GDPR-related contract terms
+ A London office lets UK clients meet the team in person
- Better suited to product builds than large enterprise back-office systems
- Smaller than most nearshore vendors on this list, which limits team growth

Who should choose ELEKS?

A typical fit: a logistics firm wants route and demand forecasting built into its operations software.

Three decades of outsourced delivery with an in-house research and development unit. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Logistics, Healthcare, Media, Retail.

Who should choose Infinum?

A typical fit: a bank wants a new retail banking app designed and built.

In-house product design and mobile engineering with a strong portfolio of consumer apps. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Media, Healthcare, Retail.

Decision matrix: ELEKS vs Infinum

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 Infinum (Not published)
You need specialist depth in a specific vertical ELEKS
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: ELEKS vs Infinum

Use case ELEKS fit Infinum fit Winner
A logistics firm wants route and demand forecasting built into its operations software. Strong Limited ELEKS
A UK company needs a dedicated team for a multi-year product build at nearshore rates. Strong Limited ELEKS
A bank wants a new retail banking app designed and built. Limited Strong Infinum
A media brand needs iOS and Android apps with a shared design system. Limited Strong Infinum
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 Strong Strong Both equally

Verdict: ELEKS vs Infinum

ELEKS (4.4/5) is the stronger overall choice for most Software Development Outsourcing projects. Three decades of outsourced delivery with an in-house research and development unit.

Infinum (4.1/5) is worth a look in a scenario like this: a media brand needs iOS and Android apps with a shared design system. If your situation matches that, Infinum is a competitive option.

Related comparisons

ELEKS vs Infinum FAQ

Is ELEKS better than Infinum?

ELEKS (4.4/5) scores higher overall, but "better" depends on your use case. ELEKS's strongest advantage: thirty-plus years in business is a strong signal of stability for a long contract. Infinum's strongest advantage: design and engineering work as one team, which helps consumer-facing products.

How do ELEKS and Infinum differ in pricing?

ELEKS uses time and materials, dedicated team, fixed price pricing. Infinum 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: ELEKS or Infinum?

Infinum 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 Infinum?

ELEKS's primary differentiator is: three decades of outsourced delivery with an in-house research and development unit. Infinum's primary differentiator is: in-house product design and mobile engineering with a strong portfolio of consumer apps. They also differ in team size (2,000+ vs 350–450), minimum engagement (Not published vs Not published), and primary industries served (Financial services, Logistics vs Financial services, Media).

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