Top 50 IT outsourcing companies in the world

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 Central and Eastern Europe, Asia, Latin America, and the UK.

Selection methodology

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

• An in-house team of more than 250 tech experts. Midsize and large companies can provide quick access to tech talent, enabling quicker project launch. In addition, such enterprises usually have optimized development processes.
• More than 10 years of industry experience. With substantial market experience, these vendors have proven their ability to stay ahead of emerging technologies and consistently deliver high-quality solutions.
• 4.7+/5 ranking and at least five reviews on Clutch. The criterion of high client satisfaction highlights their excellence in service delivery.
• A large portfolio of successfully delivered projects. A long track record of successfully delivered projects reflects the company's ability to meet client expectations and deliver desired outcomes consistently.

IT outsourcing companies in Central and Eastern Europe

CEE countries are the primary tech talent pool for many US, UK, and Western European companies. This region has many trusted vendors with a proven track record and experience in delivering enterprise-level services.

Top European destinations for outsourcing software development are Ukraine, Poland, Romania, Bulgaria, the Czech Republic, Hungary, Moldova, Slovakia, Estonia, Latvia, and Lithuania. The combined number of software developers in the region exceeds 1.8M experts. This article covers companies from the most popular destinations in the CEE region, namely Ukraine, Poland, Romania, Bulgaria, the Czech Republic, and Hungary.

1. N-iX

N-iX is one of the leading IT outsourcing firms in the international market, with a strong presence in 25 locations across Europe and the Americas. The company has been in the market for 21 years and has gathered a team of 2,200 seasoned tech experts during this time span. N-iX is highly recognized in the industry and regularly listed in many rankings, such as Top 100 Global Outsourcing Companies by IAOP, Software 500, Clutch, Inc. 5000, etc.

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, Generative AI, AI and Machine Learning, embedded software, and more.

2. Sigma Software

This large IT outsourcing provider from Ukraine has over 2,000 professionals aboard. Their services primarily focus on custom software, web, and app development. The company has delivery centers in Ukraine, Poland, Bulgaria, the Czech Republic, Hungary, and other locations.

3. ELEKS

This Ukrainian IT software outsourcing company has development facilities in four Ukrainian cities, Estonia, Croatia, and Poland. In addition to custom software engineering, this vendor has cloud migration expertise and experience working with AI.

4. SoftServe

This vendor is one of the biggest IT companies in Central and Eastern Europe. This enterprise specializes in Big Data, AI and Machine Learning, IoT, DevOps, and experience design. Among the key domains they serve are healthcare, retail, automotive, media, and others.

5. Ciklum

This Ukrainian vendor works predominantly with large enterprises in the retail, financial services, hospitality, and telecommunications industries. The company specializes in software engineering, ecommerce, and BI/Big Data consulting.

6. CHI Software

Established in Ukraine in 2006, this representative of IT outsourcing firms employs over 800 experts in several European locations, including Poland and Spain. The company offers a full range of services, including the development and testing of software, data engineering, UI/UX, and DevOps.

More on the topic: Top 15 IT outsourcing companies in Ukraine

7. Future Processing

This development company mainly provides tailored IT services to small and midsize European clients. Their industry expertise includes financial services, supply chain, logistics, manufacturing, and real estate domains.

8. Inetum Poland

This Polish vendor has six delivery centers across the country: in Warszawa, Katowice, Poznan, Lublin, Lodz, and Rzeszow. In addition to software engineering, the company offers BI and big Data consulting. Most of its clients are mid-market companies in the finance, automotive, healthcare, and telecommunications domains.

9. Software Mind

Founded in 1999 in Warsaw, this vendor works with clients from the US, the UK, and Europe. Their services span custom software development, cloud computing, digital transformation, automation testing, and more.

10. STX Next

This Poland-based company specializes in AI, web development, and cloud consulting. With over 500 experts on board and around 20 years of experience, this vendor works with clients from the US, Canada, Western Europe, Scandinavia, and Australia.

11. Exadel

This is a tech company that has offices in 17 countries and over 30 delivery centers across the globe. The company works primarily with large enterprises from various domains, including business services, financial services, telecommunications, healthcare, media, retail, and ecommerce.

12. Solwit SA

One of the midsize Polish IT outsourcing firms, this vendor employs over 350 tech experts. They specialize in application testing, custom software development, cloud consulting, and IoT development.

13. Evozon

With over 500 professionals, this vendor specializes in software and web development. They have almost 20 years of experience and a long list of clients from ecommerce, banking, healthcare, and financial services domains.

14. InCrys

This Bucharest-based company has been on the market for almost 25 years. They also offer IT staff augmentation, and IT managed services besides custom software engineering. Their clients represent ecommerce, healthcare, and financial industries.  

15. Cegeka

This representative of Romanian software development companies also has R&D centers in Austria, the Czech Republic, France, Germany, Italy, and the Netherlands. They focus on cloud consulting, CRM consulting, and blockchain. This vendor's main industry focus is energy and utilities, healthcare, banking, retail, and telecommunications.

16. Dreamix

Based in Sofia, Bulgaria, this IT vendor specializes primarily in custom software development. It also offers digital transformation, app development and modernization services, Big Data engineering, and BI, predominantly to midsize companies.

17. Coherent Solutions

This vendor has been operating in the international market since 1995. Their expertise spans custom software development, web application development, quality assurance, and CRM consulting. They primarily focus on software development for the healthcare, ecommerce, logistics, and wellness sectors.

18. MentorMate

This Bulgarian enterprise has delivered custom software development services for over 22 years. The company specializes in mobile app and web development as well as application management and support. This vendor's industry expertise covers education, manufacturing, healthcare, and financial services domains.

19. Profinit

Having more than 25 years of experience, this Czech company provides custom software development, software systems modernization, cloud consulting, BI, and Big Data consulting services to its international clients. Their portfolio includes projects for financial services, telecommunications, and healthcare businesses.

20. First Line Software

The company has over 14 years of IT experience developing custom software for startups and midsize vendors. As for the industry focus, they specialize in healthcare, advertising, retail, ecommerce, and government.

21. Qualysoft

This midsize IT vendor from Hungary has over 15 years of experience in software engineering. The company helps midsize and large clients in the automotive, business services, education, consumer products, and energy industries.

22. Civitta

This Hungarian company was founded in 2013 and has grown its team to more than 750 tech specialists since then. It caters mainly to telecommunications, financial services, ecommerce, consumer products and services, and education domains.

Brief overview of CEE IT outsourcing

• One of the most well-known outsourcing destination in CEE is Poland. There are around 525,100 professional developers within several tech hubs in major cities. However, only 32% of these developers work in the IT outsourcing sector. If you are interested in IT outsourcing to Poland, explore the Polish IT industry.
• According to the Emerging Europe Future of IT Report, in 2023, there were around 291,500 tech experts in Ukraine. Despite the temporary slowdown caused by the full-scale Russian invasion in 2022, the Ukrainian IT industry demonstrated long-term resilience. By relocating employees to safer areas and opening new offices, most Ukrainian software vendors maintained a 95% service delivery level, proving their reliability for their clients. Many market-leading companies such as IBM, Cisco, Lebara, Fluke Corporation, and Travelport partner with Ukrainian IT outsourcing providers.
• There are approximately 45 IT companies in Romania with more than 250 experts on board. According to the  Emerging Europe Report, in 2023, there were more than 202,500 professional developers in Romania.
• Bulgaria is another popular IT outsourcing destination in CEE with over 108,600 professional tech experts. Here are the top Bulgarian IT companies.
• The Hungarian IT market reached 180,900 tech experts in 2023. Four major tech hubs host R&D centers for companies such as Microsoft, Siemens, Ericsson, Nokia, TATA, etc.
• The Czech software development market comprises over 221,900 seasoned tech specialists. Along with other CEE locations, the Czech Republic is known for its high-quality IT services.

Best IT companies in Asia

The Asian IT outsourcing market is widely recognized globally. The IT outsourcing firms from India, China, the Philippines, Malaysia, and Singapore provide services to businesses worldwide. However, the cultural differences between American/European and Asian companies can cause barriers to communication.

23. CISIN

This software outsourcing company from India has experience in AI development, cloud consulting, custom software and ecommerce development, IoT, and blockchain development. The top industries the company specializes in are education, financial services, hospitality, and healthcare.

24. Icreon

This IT outsourcing company employs over 400 experts and has more than two decades of experience. They offer software product development, web development, IoT implementation, and cloud consulting services.

25. Trigent Software

Established in 1995, this IT 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.

26. TatvaSoft

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

27. Cygnet One

This IT outsourcing services company employs more than 1,000 experts who work in several delivery centers across the country. The company builds custom software and mobile app solutions, modernizes applications, and conducts test maturity assessments predominantly for small and midsize clients.

28. Appinventiv

Another representative of reliable IT outsourcing companies, this vendor has been on the market for over 10 years. During this period, the vendor has helped businesses implement ERP solutions, develop custom CRMs, and undergo digital transformations.

29. Experion Technologies

Established in 2006, this tech vendor 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. 

30. Flatworld Solutions

The company employs over 5,000 experts who work with clients in information technology, business services, healthcare, real estate, and ecommerce. Their top competencies include custom software and web development, but the company also offers a wide range of BPO services.

31. PixelCrayons

This IT outsourcing services company, with over 20 years of experience in the market, serves clients in healthcare, finance, and banking. The list of their services includes software and application development, BPO, and consulting.

32. Talentica 

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.

33. Amaris Consulting

This Vietnamese tech vendor 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, ecommerce, finance, and information technology.

34. BeetSoft

This vendor specializes 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. 

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.

Brief overview of IT outsourcing in Asia

• Software development in India is a thriving industry with over a three-decade history, so the overall number of companies is impressive— 5,835.
• Clutch states that more than 300 companies provide development services in Vietnam. The majority of these vendors are small and midsize companies. 

Top IT outsourcing companies in Latin America

There are nearly 1,838,000 developers across major Latin American tech hubs. Three Latin American countries made it to the top 20 of the 2023 AT Kearney Global Services Location Index, and three others are included in the top 50 ranking.

36. Unosquare

Focusing on IT staff augmentation, this tech enterprise works with startups and midsize clients. They also specialize in application testing, CRM consulting, and web development. Their portfolio includes projects in ecommerce, advertising, and marketing domains.

37. Wizeline

Headquartered in San Francisco, this IT outsourcing company has several development centers in Mexico, as well as representation in Colombia and Vietnam. Their client list includes enterprises from media, financial services, retail, healthcare, and education domains.

38. Altoros

This tech company, which has over 22 years of experience, helps clients in healthcare, logistics, transportation, financial services, and automotive. This vendor specializes in custom software development, staff augmentation, cloud consulting, and IoT development. 

39. AgileEngine

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

40. Velocity Partners

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

41. Baufest

One of the most experienced 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.

Related: Outsourcing software development to Argentina: Complete market overview

42. BairesDev

Besides Brazil, this IT company has R&D centers in Mexico, Argentina, and Colombia. They partner mainly with mid-market clients in financial services, healthcare, and information technology industries.

43. CI&T

This Brazilian software development company has experience in designing and delivering software for various domains, including manufacturing, retail, media, supply chain, and ecommerce. Their expertise spans application modernization, AI development, data engineering, and cloud migration.

44. FCamara

This vendor provides software engineering services mainly to large enterprises. Apart from Brazil, they have several development centers in the UAE, Portugal, and the UK. The vendor's portfolio includes projects for retail, ecommerce, consumer products and services, manufacturing, healthcare, and other industries.

45. DB1 Global Software

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

46. Perficient Latin America

This nearshore IT outsourcing company has almost 40-year history. Among their services are software engineering, web development, BI & Big Data, and cloud consulting. This IT vendor works with clients in automotive, financial services, healthcare, insurance, manufacturing, and life sciences.

47. Teravision Technologies

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

Brief overview of IT outsourcing in Latin America

• There are around 500 IT outsourcing vendors in Mexico that are listed on Clutch. They mainly offer software engineering services to companies in the US and Canada, as nearshore software outsourcing is popular in the region.
• Argentina has over 440 IT outsourcing companies. Most of these companies are small vendors with up to 250 engineers on board. 
• There are a little over 200 IT outsourcing companies in Brazil. The vast majority of vendors operating in this region have delivery centers in one or several Latin American countries. 
• Colombia boasts one of the largest tech talent pools in Latin America, with over 150,000 IT professionals residing there. According to Clutch, the country also has more than 410 IT outsourcing companies.

Keep reading: Software development in Latin America: market report

IT outsourcing companies in the UK

There are only a few IT outsourcing companies in the United Kingdom that are less popular among enterprises 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. One Beyond

With 30 years of experience, this tech vendor 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.

49. Vention

This IT outsourcing company focuses on custom software development, mobile app, web development, and enterprise solution development. Their clients work in various industries, including fintech, healthtech, real estate, ecommerce, marketing, and automotive.

50. Debut Infotech

This British IT vendor specializes in AI and ML, blockchain development, and software testing. They partner mostly with large enterprises. The key industries serviced by the vendor are education, healthcare, business services, and financial services.

Summary

The overall number of IT outsourcing companies is growing yearly, so choosing a reliable outsourcing partner becomes tricky. These top IT outsourcing services companies worldwide 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 should you choose N-iX among other IT outsourcing companies?

N-iX is a trusted IT outsourcing services provider, recognized through numerous awards and with positive reviews across various platforms. Our team of 2,200 seasoned technology experts possesses deep expertise in AI, ML, Generative AI, cloud computing, Business Intelligence, IoT, data analytics, Big Data, embedded software development, and more. 

We are committed to fostering strong partnerships. Our portfolio spans long-lasting collaborations with leading global enterprises such as Lebara, Currencycloud, Gogo, and Fluke Corporation. With a global presence, N-iX operates from offices and delivery centers in 25 locations across Europe and the Americas. We strictly adhere to international cybersecurity standards, including GDPR, PCI DSS, ISO 27001:2013, and ISO 9001:2015.