Best Software Development Outsourcing UK

Infinum vs Itransition: full comparison for 2026

Quick verdict

Infinum (4.1/5) edges ahead of Itransition (3.8/5) overall. Infinum is the better choice for consumer apps where design quality matters. Itransition is the stronger option for budget-conscious buyers, broad generalist work. The right choice depends on your project size, budget, and required tech stack.

Infinum vs Itransition: head-to-head summary

Criterion Infinum Itransition
Founded 2005 1998
HQ Zagreb, Croatia (London office) Tbilisi, Georgia (London office)
Team size 350–450 3,000+
Rating 4.1 / 5 3.8 / 5
Primary differentiator In-house product design and mobile engineering with a strong portfolio of consumer apps Low rates across a wide catalogue of development and platform services
Pricing model Time and materials, fixed price Time and materials, fixed price, dedicated team
Min. engagement Not published Not published
Primary tech stack Swift, Kotlin, Flutter .NET, Java, PHP
Industries served Financial services, Media, Healthcare, Retail Healthcare, Retail, Financial services, Logistics

Infinum vs Itransition: overview

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.

Itransition

Itransition has been delivering software since 1998 and reports more than 3,000 engineers serving clients in over 40 countries. It lists a London office, while PitchBook gives Tbilisi, Georgia as its corporate office. Historically its delivery base was in Belarus, and it has since built up other locations. Its services span custom development, Salesforce and Microsoft Dynamics, and testing.

Services and capabilities: Infinum vs Itransition

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

Tech stack comparison: Infinum vs Itransition

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

Pricing comparison: Infinum vs Itransition

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

Target audience comparison: Infinum vs Itransition

Dimension Infinum Itransition
Best company size Startup to mid-market Startup to mid-market
Best industries Financial services, Media, Healthcare Healthcare, Retail, Financial services
Best use cases A bank wants a new retail banking app designed and built., A media brand needs iOS and Android apps with a shared design system. A company needs Salesforce customisation at a low rate., A retailer wants testing capacity for a release programme.
Typical project type Fixed project Dedicated team

Infinum vs Itransition: pros and cons

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
Itransition
+ Among the lowest rates for a vendor of this size
+ Covers CRM platforms such as Salesforce and Dynamics as well as custom builds
+ Large team for staffing flexibility
- Thin evidence of UK-based delivery or account leadership
- Corporate location data is inconsistent between sources
- Historical Belarus base may raise questions with some UK procurement teams

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.

Who should choose Itransition?

A typical fit: a company needs Salesforce customisation at a low rate.

Low rates across a wide catalogue of development and platform services. Minimum engagement is not publicly disclosed. Works best with clients in Healthcare, Retail, Financial services, Logistics.

Decision matrix: Infinum vs Itransition

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Infinum
You need a large dedicated team for an ongoing programme Itransition
Your budget is at the lower end Compare: Infinum (Not published) vs Itransition (Not published)
You need specialist depth in a specific vertical Infinum
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: Infinum vs Itransition

Use case Infinum fit Itransition fit Winner
A bank wants a new retail banking app designed and built. Strong Limited Infinum
A media brand needs iOS and Android apps with a shared design system. Strong Limited Infinum
A company needs Salesforce customisation at a low rate. Limited Strong Itransition
A retailer wants testing capacity for a release programme. Limited Strong Itransition
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: Infinum vs Itransition

Infinum (4.1/5) is the stronger overall choice for most Software Development Outsourcing projects. In-house product design and mobile engineering with a strong portfolio of consumer apps.

Itransition (3.8/5) is worth a look in a scenario like this: a retailer wants testing capacity for a release programme. If your situation matches that, Itransition is a competitive option.

Related comparisons

Infinum vs Itransition FAQ

Is Infinum better than Itransition?

Infinum (4.1/5) scores higher overall, but "better" depends on your use case. Infinum's strongest advantage: design and engineering work as one team, which helps consumer-facing products. Itransition's strongest advantage: among the lowest rates for a vendor of this size.

How do Infinum and Itransition differ in pricing?

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

Which is better for enterprise: Infinum or Itransition?

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 Infinum and Itransition?

Infinum's primary differentiator is: in-house product design and mobile engineering with a strong portfolio of consumer apps. Itransition's primary differentiator is: low rates across a wide catalogue of development and platform services. They also differ in team size (350–450 vs 3,000+), minimum engagement (Not published vs Not published), and primary industries served (Financial services, Media vs Healthcare, Retail).

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