The global demand for qualified IT services is growing rapidly. Whether you need to expand your team, or deliver a custom solution, you will have to find a reliable IT outsourcing partner to help you out. If you are looking for a list of IT outsourcing companies, search no more. We created a catalog of the best IT vendors from major outsourcing locations such as countries of Eastern Europe, Asia, Mexico, Southern America, and the UK.


To create this list of top 50 IT outsourcing companies, we considered over 500 IT services companies around the world. We focused on companies that have the capacity to deliver large-scale projects, have a broad domain and tech expertise, and are likely to quickly staff a large team. We analyzed multiple resources, including The Global Outsourcing 100 by IAOP,,, reports on various outsourcing destinations as well as the companies’ websites, their portfolios, and LinkedIn pages. We narrowed down the list by the following criteria:

Selection criteria for Top 50 IT outsourcing companies

We have divided this list into the following subcategories:

IT outsourcing companies in Eastern Europe

Eastern European countries* are the primary tech talent pool for many companies from the USA, the UK, Europe, and Asia. In 2021, Eastern-European countries compete for the outsourcing leadership position with India and China. This region has a great number of trusted vendors with a proven track record and experience in delivering enterprise-level services.

Top outsourcing companies in Eastern Europe

* Top Eastern European outsourcing destinations are Ukraine, Poland, Belarus, Bulgaria, Czech Republic, Estonia, Hungary, Latvia, Moldova, and Romania. The combined number of software developers in the region exceeds 1,1M experts.

Top IT outsourcing companies in Ukraine

In 2019, The State of European Tech estimated that there were 192,100 professional developers in Ukraine. By the end 2021, the number of software engineers is expected to exceed 200,000. Kyiv, Kharkiv, and Lviv are the biggest tech hubs that house over 71% of all developers in the country. IBM, Cisco, Lebara, Fluke Corporation, Travelport, and many other market-leading companies partner with Ukrainian IT outsourcing providers.

1. N-iX

This is one of the leading IT outsourcing companies with strong presence in Europe and the Americas. The company has been on the market for 21 years. This vendor is regularly listed in many rankings such as Top 100 Global Outsourcing Companies by IAOP, Software 500, Clutch, Inc. 5000, etc.

IT outsourcing company: N-iX

Since 2002, N-iX has formed strategic tech partnerships with industry leaders, including OpenText, Lebara, Gogo, Fluke Corporation, Currencycloud, several Fortune 500 companies, and over 50 other large and medium businesses.  The company has wide-ranging expertise in software product development, Cloud Solutions, Data Science, Big Data Analytics, BI, AI and Machine Learning, VR & AR, embedded software, and more.

2. Sigma Software

This large IT outsourcing provider from Ukraine has over 1,000 professionals aboard. The primary focus of their services is on software, web and app development. The company has delivery centers in Ukraine and Poland. 

IT outsourcing company from Ukraine: Sigma Software


Headquartered in Lviv, this Ukrainian IT software outsourcing company has development facilities in several Ukrainian cities, as well as Estonia and Poland. Apart from custom software engineering, this vendor has UX/UI expertise and experience working with AI.

It outsourcing vendor from Ukraine: Eleks

4. SoftServe

One of the biggest IT companies in Eastern Europe. This vendor specializes in Big Data, AI and Machine Learning, IoT, DevOps, and experience design. Among the key domains are healthcare, retail, financial services, media, and others.

Softserve is one of Outsource IT companies in Eastern Europe

5. Ciklum

Another Ukrainian vendor that works with widely known clients, such as Thomas Cook, Mercedes Pay, and Metro Markets. The company specializes in software engineering, ecommerce, and BI/Big Data consulting.

One of the biggest it outsourcing companies. Ukrainian vendor Ciklum

Related: Software development in Ukraine: 2019-2020 IT market report

Best IT & software outsourcing companies in Poland

Another well-known destination is Poland. There are around 295,300 professional developers within several tech hubs in major cities [1]. However, only 32% of these developers are working in the IT outsourcing sector. If you are interested in IT outsourcing to Poland, explore Polish IT industry.

6. Future Processing

This development company provides tailored IT services to small and midsize European clients. Their tech expertise includes Microsoft tech stack, Java, PHP, C++, and NodeJS. 

One of the Top outsourcing companies in Poland

7. JCommerce

This Polish vendor has several delivery centers across the country. Apart from software engineering, the company also offers BI & Big Data consulting. Most of their clients are mid-market companies in finance, media, medicine, manufacturing, and trade.

IT outsourcing company from Poland: JCommerce

8. SoftwareMill

The IT outsourcing company from Poland has over 10 years of experience working with companies in fintech, energy, telecommunications, and e-commerce. Most of their clients are midsize businesses, however, they have experience working with startups and enterprises as well.

SoftwareMill is an IT outsource company from Poland

9. STX Next

This Poland-based company specializes in custom software and web development. With over 400 experts and 15+ years of experience, this vendor works with clients from the US, Canada, Western Europe, Scandinavia, and Australia.

STX Next is an outsourcing company from Eastern Europe

10. Exadel

An IT outsourcing company that has offices in 26 countries and delivery centers in Eastern Europe. The company works primarily with midsize companies and enterprises from various domains, including fintech, healthcare, manufacturing, media, retail, and telecom.

One of the largest it outsourcing companies from Poland

Offshore software development in Belarus

Here’s another country with a decent pool of software developers that reached the mark of 55,700 professionals [1]. Belarus has provided a work force for 50+ international R&D centers of IT companies.

11. Itransition

Established in Belarus in 1982, this IT outsourcing vendor employs over 2,000 experts in several Eastern European locations. The company offers a full range of services, including development and testing of software.

An IT outsourcing company from Belarus: iTransition

12. Belitsoft

Founded in 2004 in Minsk, this vendor works with clients from the United States, the UK, and Europe. Among their customers are technological companies, manufacturing enterprises, and educational establishments.

IT outsource company Belitsoft

13. EPAM Systems

One of the largest IT outsourcing services companies that employs over 10,000 experts. They have several delivery centers in Eastern Europe and India, as well as offices in Europe and China. They also specialise in application and cloud management, design, and consulting.

one of the Largest it outsourcing companies Epam

14. iTechArt

With over 2,700 IT experts, this vendor has development centers in the US, the UK, and Belarus. They focus on custom software development, mobile app development, and AR/VR development.

one of the best outsourcing companies in Eastern Europe

Top IT services companies in the Czech Republic

The Czech IT market comprises over 104,300 professional software developers [1]. Along with other Eastern European locations, the Czech Republic is known for the high quality of their IT services.

15. CN Group CZ a.s

Established in 1994, this company has over 25 years of experience and employs over 300 experts. This Czech vendor also has development centers in Slovakia and Romania. They provide IT outsourcing services to companies in finance, transportation, logistics, telecom, and e-commerce.

IT outsourcing company from Czechia

16. First Line Software

The company has over 10 years of IT experience, developing custom software for startups and enterprises. As for the industry focus, they specialize in healthcare, ecommerce, and government.

One of several IT companies outsourcing from Czech republic

Software development companies in Hungary

The Hungarian IT market reached 84,500 professional developers in 2019. Four major tech hubs host R&D centers of such companies as Microsoft, Siemens, Ericsson, Nokia, TATA, etc.

17. Webtown

This small IT vendor from Hungary has over 15 years of experience in software engineering. The company helps midsize and large clients in finance and banking, as well as energy & natural resources.

One of several top IT outsourcing companies from Hungary

18. Apriorit

Based in the US, initially, this company was established in Hungary. Now they have the EU office in Budapest and three development centers in Eastern Europe with several R&D teams working for small and midmarket companies.  

IT outsourcing company from Hungary (Eastern Europe)

IT outsourcing in Romania

There are more than 70 IT companies in Romania (with 50+ employees) [3]. According to the State of European Tech, in 2019 there were 119,100 professional developers in Romania.

19. Evozon

With over 500 professionals, this vendor specializes in software and web development. They have almost 15 years of experience and a long list of clients, which includes Adobe, BMI Research, Henkel, and others.

One of several IT outsourcing companies from Romania

20. InCrys

This Bucharest-based company has been on the market for almost 20 years. Apart from custom software engineering, they also offer IT staff augmentation and IT managed services. Their clients represent ecommerce, healthcare, and financial industries.  

This IT outsourcing company is located in Bucharest, Romania

IT outsourcing companies in Bulgaria

Bulgaria is another popular IT outsourcing destination with over 56,000 professional developers. Read more about Ukrainian and Bulgarian IT markets.

21. Dreamix

Based in Sofia, Bulgaria, this IT vendor specializes primarily in custom software development. They also offer app development and modernization services, Big Data engineering, and BI to midsize companies.

one of the Top outsourcing companies (Bulgaria, Eastern Europe)

22. Upnetix JSC

This company provides software engineering and IT consulting services. It has 120 experts working on multiple projects. The vendor’s portfolio includes over 80 projects for 55 clients in eHealth, transportation, telecommunications, and others.

Upnetix JSC is one of the youngest top IT outsourcing companies

Explore best destinations before choosing the top It outsourcing company

Best IT companies in Asia

The Asian IT outsourcing market is well-known all over the world. The companies from India, China, the Philippines, Malaysia, and Singapore provide IT services to businesses all over the world. However, the cultural differences between American/European and Asian companies can cause barriers to communication.

IT outsourcing companies in Asia, by size

Top 10 IT and software outsourcing companies in India

Software development in India is a thriving industry with over a three-decade history, so the overall number of companies is impressive. This list offers some of the well-known and biggest IT outsourcing companies in India.


This it software outsourcing company from India has experience working with well-known clients like  UPS, Nokia, Uber eats, and many others. Among the top industries the company specializes in are information technology, education, financial services, and hospitality.

top it outsourcing company from India

24. Icreon

This IT outsourcing company employs a little over 350 experts and has more than two decades of experience. They offer software product development, web development, and cloud consulting services.

This Indian IT outsourcing company has their HQ in New York

25. Trigent Software

Established back in 1995,  this IT outsourcing company has several delivery centers across India. The company has expertise in custom software development and application testing, helping companies in education, financial services, manufacturing, and other industries.

One of the Top 50 IT outsourcing companies

26. TatvaSoft

Software, web, and mobile development and IT managed services are major services offered by this IT outsourcing vendor. They are working with small and midsize clients in information technology, financial services, and healthcare.

IT outsourcing company from India

27. Cygnet Infotech

This IT outsourcing services company employs 1,000+ experts that work in several delivery centers across the country. The company builds custom software and mobile app solutions for small and midsize clients.

One of several Global it outsourcing companies on our list

28. Systematix Infotech Pvt. Ltd

The company employs a little over 250 specialists. They offer web and mobile development, as well as software product development to clients in automotive, manufacturing, healthcare, and ecommerce.

One of smaller It outsourcing companies from India

29. Experion Technologies

Established in 2006, this IT outsourcing company partners with small and midsize clients in financial services, healthcare, supply chain, logistics, and transportation industries. Their list of services also includes Big Data and BI consulting, UI/UX, and DevOps services. 

One of several trusted It outsourcing vendors from India

30. Flatworld Solutions

The company employs over 3,500 experts who work with clients in information technology, business services, healthcare, real estate, and ecommerce. Their top competences include custom software and web development, but the company also offers a wide range of BPO services.

One of few IT companies outsourcing

31. PixelCrayons

An IT outsourcing services company with over 15 years of experience on the market, serving clients in healthcare, finance, and banking. The list of their services includes software and application development, BPO, and consulting.

Are you interested in Global it outsourcing companies? Check out this one

32. Talentica Software

The company has experience working with emerging technologies and helping clients with IT staff augmentation, AI, Blockchain,сloud solutions, and web development. This vendor mostly works with small and midsize companies.

The last one on our list of Indian IT outsourcing companies

Learn more about Indian and Ukrainian IT markets in our analysis.

IT outsourcing in Vietnam

Clutch states that there are more than 130 companies that provide development services in Vietnam. The lion’s share of these vendors are small and midsize companies. 

33. Amaris

This Vietnamese IT outsourcing company was established in 2007. It has development centers in Vietnam and several offices in Europe. Their portfolio includes midsize and large companies in business services, finance, and information technology .

There are several IT companies outsourcing their IT to Asia


This vendor specialises in IT outsourcing, consulting, and BPO. Their expertise also includes web and mobile app development, and ecommerce development. Industry focus is evenly split between gaming, consumer products, financial services, healthcare, and retail. 

Vietnamese IT outsourcing company (Asia)

35. Axon Active

Since 2008, Axon has delivered IT solutions and outsourcing services to a wide range of companies. Their clients represent a variety of fintech-related industries, such as financial services, insurtech, and banking.

It outsourcing vendor from Asia

Top IT outsourcing companies in Mexico and South America

The 2018 Survey [2] suggests that there are nearly one million developers across major Latin American tech hubs. Four South American countries made it to the Top 20 of The 2019 A.T. Kearney Global Services Location Index, and four others are included in the top 50 ranking.

IT outsourcing companies in South America and Mexico, by size

IT outsourcing in Mexico

There are over 400 IT outsourcing vendors in Mexico that are listed on Clutch. They mostly offer software engineering services to companies in the USA and Canada, as nearshore software outsourcing is popular in the region.

36. Unosquare, LLC

Focusing on IT staff augmentation, this IT outsourcing company works with startups and midsize clients. They also specialize in application testing, CRM consulting, and web development. Their portfolio includes projects in e-commerce and advertising & marketing domains.

Outsource IT companies in South America

37. Wizeline

Headquartered in San Francisco, this IT outsourcing company has several development centers in Mexico, as well as representation in Vietnam and Thailand. Their client list includes such world-known names as Mastercard, Dell, WSJ, and Australian Open.

One of quiet a few IT companies outsourcing in the region

IT outsourcing in Argentina

Argentina has a little over 250+ IT outsourcing companies. The majority of these companies are small vendors with up to 50 engineers on board. 

38. Altoros

An IT outsourcing company that has over 20 years of experience helping clients in healthcare, logistics, transportation, financial services, and automotive. This vendor specialises in software development, staff augmentation, cloud consulting, and IoT development. 

Tech and IT companies outsourcing their processes to this vendor are: Huawei, Hitachi, etc.

39. Agile Engine

Headquartered in the USA, this IT outsourcing services company from Argentina also has delivery centers in Colombia, Mexico, and Ukraine. Their expertise includes software and application development, as well as UI/UX design.

One of Top outsourcing companies in the region

40. Velocity partners

This vendor offers outsourcing services to clients all over the world. The primary domains of this company are energy & natural resources, financial services, and information technology, however, their website also features case studies for media and healthcare industries.

This vendor is working with large IT companies outsourcing their work

41. Baufest

One of the oldest companies on our list, this vendor has delivery centers in Argentina, Brazil, Mexico, and Chile. They provide software engineering and IT managed services, cloud and BI consulting to midmarket clients and enterprises.

One of the oldest IT outsourcing companies on this list

IT outsourcing in Brazil

There are a little over 200 IT outsourcing companies in the country. The vast majority of vendors operating in this region have delivery centers in one or several South American countries. 

42. BairesDev

This IT outsourcing company offers development services to clients all over the world. They partner mainly with midmarket clients in financial services, healthcare, and information technology industries.

One of the Largest IT outsourcing companies in the region

43. CINQ Technologies

This South American company employs a little over 1,000 specialists. They work with 500+ clients all over the world and provide services in software development and staff augmentation, application testing, and cloud consulting.

This Brazilian IT outsourcing company partners with mid market and large companies

44. Hexacta

This vendor provides nearshore software engineering services to companies from the US and Canada. They have several development centers in Argentina, Brazil, Uruguay, and Colombia partnering with companies in fintech, telecom, government, and other industries.

One of several Biggest it outsourcing companies in Brazil

45. DB1 Global Software

Here is another IT outsourcing company with HQ in Maringa, Brazil. It is a smaller vendor that works with clients from the USA and Europe. Their expertise includes custom software, web and mobile app development, and UX/UI design.

An IT outsourcing company from South America

IT outsourcing in Colombia

The Colombian IT outsourcing market is small compared to other regions. Despite the slight decrease in A.T. Kearney Global Services Location Index (13th place in 2019, compared to 10th in 2018), this country remains an excellent outsourcing option.

46. PSL Corp

This IT outsourcing company has a 30+ year history and over 700 developers aboard. Among their services are software engineering, web development, BI & Big Data, and cloud consulting. This IT vendor works with clients in finance, insurance, healthcare, and government.

Oldest IT outsourcing company from Colombia

47. Teravision Technologies

This Colombia-based IT outsourcing company also operates in Venezuela and Mexico. They specialize in mobile app, wearable app, and web development, as well as in application testing and support.

There are several product and IT companies outsourcing jobs to those vendor

IT outsourcing companies in the UK

There are very few IT outsourcing companies in the United Kingdom due to the high cost of their services. However, these three companies have made it to the list for their reviews, quality of services, and excellent reputation.

48. DCSL GuideSmiths

With 25 years of experience, this IT outsourcing company works with business applications, CRM, and system integration. They also offer SaaS, system integration services, and app development. Mid-market companies account for 60% of the company’s clients.

IT outsource company from London, UK

49. Digiryte

This IT outsourcing company focuses on digital transformation, web and application development, data science, and staff augmentation. Their clients work in various industries, including education, healthcare, medical services, hospitality, and leisure.

IT outsource company from the UK

50. Geeks Ltd

This British IT vendor specializes in software engineering and consulting. They partner with mostly midmarket and large onshore companies. Their key industries are media, government, and financial services.

IT outsource company from Sutton, United Kingdom


The overall number of IT outsourcing companies is growing every year, so choosing a reliable outsourcing partner becomes a tricky task. These top IT outsourcing services companies in the world have a proven record of delivering top-notch custom software to their clients. They are well-known IT outsourcing vendors with experience in many industries.

Why choose N-iX among other IT outsourcing companies?

  1. N-iX has delivery centers in Ukraine, and Poland which allows us to access a pool of over 600,000 professional developers.
  2. We provide custom software development to well-known companies around the globe. We work with Lebara, Currencycloud, GoGo, Travelport, Deutsche PostFluke Corporation, HotSchedules, Vable, Origin Enterprises, and many others.
  3. Today the USA is the biggest market for N-iX as we partner with a lot of established American businesses. However, we also partner with many UK and European companies. 
  4. N-iX partners with technology leaders across a variety of industries encompassing manufacturing, fintech, telecom, healthcare, retail, agritech, logistics and supply chain, etc., to help them effectively implement digital transformations.
  5. The company provides a wide array of services in different verticals such as cloud solutionsdata science, big data analytics, BI, AI, enterprise mobility, embedded software, SAP and OpenText consulting, VR & AR, and much more.

Choose the best IT outsourcing company in the world


  1. People Power from The State of European Tech 2019 by Atomico
  2. Stack Overflow Developer Survey, 2018
  3. Software Development CEE Report
  4. Global software marketplace insights: Eastern Europe by SourceSeek

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N-iX Staff
Taras Petriv
Associate Engagement Director

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