Top 50 outsourcing software development companies

Top 50 outsourcing software development companies

The global demand for qualified IT services is growing rapidly. Whether you need to cut costs, 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 outsourcing software development companies, search ...

Top 50 outsourcing software development companies
By Nadia Serheichuk July 02, 2019

The global demand for qualified IT services is growing rapidly. Whether you need to cut costs, 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 outsourcing software development 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 outsourcing software development companies, we have considered multiple resources, including The Best of The Global Outsourcing 100 by IAOP,,, reports on various outsourcing destinations as well as the companies’ websites, their portfolios, and LinkedIn pages.

Outsourcing software development 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 2019, Eastern-European countries compete for the outsourcing leadership with India and China.

*  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 1,051,000 experts.

IT outsourcing companies in Ukraine

In 2018, The State of European Tech estimated that there were 184,700 professional developers in Ukraine. By 2020, the number of software engineers is expected to reach 200,000. Kyiv and Lviv are the biggest tech hubs that house over 52% 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 outsourcing software development providers in Eastern Europe. The company has been on the market for over 16 years. This vendor is regularly listed in many rankings such as Top 100 Global Outsourcing Companies by IAOP, Software 500, Clutch, Inc. 5000, etc.

N-iX top 50 outsourcing software development companies

The company has wide-ranging expertise in software product development, Data Science, Big Data Analytics, BI, AI, and Machine Learning, cloud solutions, VR & AR, embedded software, and more.

  1. 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.

  1. ELEKS

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

  1. SoftServe

This offshore development company 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.

  1. Lohika

Another vendor from Ukraine that works with widely known clients, such as Airbnb, PagerDuty, and AirAsia. The company specializes in software development, Blockchain, Cloud Consulting & SI.

Best outsourcing companies in Poland

Another well-known IT outsourcing destination is Poland. There are around 279,800 professional developers within several tech hubs in major cities [1]. If you are interested in outsourcing to Eastern Europe, check our comparison of Polish and Ukrainian IT markets.

  1. Future Processing

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

  1. JCommerce

Apart from software development, this company also offers BI & Big Data consulting. Most of their clients are mid-market companies in finance, media, medicine, manufacturing, and trade.

  1. SoftwareMill

This 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.

  1. STX Next

This Poland-based company specializes in Python development. With over 300 experts and 14 years of experience, this vendor works with clients from the US, Canada, Western Europe, Scandinavia, and Australia.

  1. Xsolve

A software development company with a focus on Java, PHP/Symfony, and mobile applications. They delivered over 250 projects for clients in various domains, including hosting, television, energy, automotive, banking, and publishing.

Outsourcing software development companies in Eastern Europe: Ukraine and Poland

Offshore software development in Belarus

Another country with a decent pool of software developers that reached the mark of 54,200 professionals [1]. Belarus has provided development force for 50+ international R&D centers of IT companies.

  1. Itransition

Established in Belarus in 1982, this IT outsourcing vendor made it to the IAOP The Global Outsourcing 100. The company offers a full range of software development services consulting.

  1. EPAM Systems

With offices and development centers all over the world, the company employs over 10,000 experts. Apart from software development services, they offer design and consulting to their clients.

  1. Belitsoft

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

IT companies in the Czech Republic

Czech IT market comprises over 95,300 professional software developers [1]. Along with other Eastern European locations, the Czech Republic is known for the high quality of their IT services.

  1. IBA Group

Established in 1993, this company has over 25 years of experience and employs over 2,500 experts. This Czech vendor also has development centers in Belarus, Slovakia, Bulgaria, and Kazakhstan. They provide IT outsourcing services to companies in transportation, energy, telecommunications, etc.

  1. Profinit

The company has 20 years of IT experience, developing custom software and applications, working with data science, BI development. As for the industry focus, they specialize in transportation, telecommunications, and banking.

Software development companies in Hungary

Hungarian IT market reached 80,100 professional developers in 2018. Four major tech hubs host many R&D centers for including Microsoft, Siemens, Ericsson, Nokia, TATA, etc.

  1. Webtown

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

  1. 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 15 R&D teams.

IT outsourcing in Romania

There are more than 70 software development companies in Romania (with 50+ employees) [3]. According to the State of European Tech, in 2018 there were 116,100 professional developers in Romania.

  1. 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 that includes Adobe, BMI Research, Henkel, and others.

  1. InCrys

This Bucharest-based company has been on the market for almost 20 years. Apart from custom software development, they also offer IT staff augmentation and IT managed services.

Software development companies in Bulgaria

Bulgaria is another popular IT outsourcing destination with over 55,00 professional developers. Read more about Ukrainian and Bulgarian IT markets.

  1. 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.

  1. Upnetix JSC

This company provides software development 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.

Outsourcing software development companies in Eastern Europe: Belarus, Czech, Bulgaria, Romania, Hungary

Best outsourcing software development companies in Asia

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.

Top 10 software outsourcing companies in India

Software outsourcing 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 Indian IT outsourcing companies.

  1. Cyient (formerly Infotech Enterprises)

With over 15,000 employees in 20 countries, this IAOP-recommended vendor helps clients extend their teams. Its client list includes companies that work in aerospace and defense, healthcare, telecommunications, transportation, and energy.

  1. Cybage

This offshore development vendor employs over 5,800 experts and has more than two decades of experience. They offer IT services, outsourced product development, BI, and enterprise mobility.

  1. Wipro

One of the oldest Indian software firms on our list (established in 1945), they introduced IT services in 1982. Working across six continents, this vendor majors in SaaS, BI, Cloud services, Industry 4.0, and a lot of other fields.

  1. Happiest Minds Technologies

Digital business services, product engineering, IoT, and analytics - this is just a small part of the services offered by this offshore software development firm. They made it to the IAOP The Global Outsourcing 100 and work with clients in finance, retail, and media.

  1. HCL Technologies

Another vendor with multiple awards that houses over 130,000 experts that work in 44 counties. This outsourcing software development company builds solutions in Digital, IoT, Cloud, automation, and cybersecurity.

  1. HGS

This company employs over 44,500 experts in 75 development locations. They offer services in automation, data analytics, and cloud solutions. To clients in automotive, banking, healthcare, retail, and telecom.

  1. Infosys

Established back in 1981, this company has over 200,000 employees all over the world. Their expertise includes digital transformation, BPO, tailored software development, and more.

  1. MindTree

This award-winning company (incl. Forbes India’s Super 50 and The Global Outsourcing 100 by  IAOP) works with clients in retail, banking, insurance, consumer goods, and finance. Their top competencies include CRM Consulting, ERP Consulting, SI, and IT Consulting.

  1. Mphasis

A company with over 20 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.

  1. Xoriant

The company has experience working with emerging technologies and helping clients with product engineering, DevOps, сloud solutions, Big Data & Analytics. Despite having their HQ in the USA, most of the development centers are located in India.

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

Best outsourcing software development companies in Asia

IT outsourcing in China

Chinese IT outsourcing might not be as famous as Indian, however, a lot of Chinese IT companies are listed in The Global Outsourcing 100 by  IAOP.

  1. Cienet

This China-based technology service provider was established in 2000. It has offices and development centers in 17 countries and won awards by The Global Outsourcing 100 on multiple occasions. The company's client list includes some of the Fortune 1000 companies.

  1. iSoftStone

Another offshore IT company with 22 delivery centers across Asia and over 18,000 employees aboard. Their expertise includes software solutions, cloud computing, app development and integration, as well as QA and testing.

  1. Pactera

Since 1995, Pactera has delivered IT solutions and outsourcing services to a wide range of companies. Their clients represent multiple industries, such as financial services, technology, telecommunications, travel, and transportation.

  1. Wicresoft

Another Chinese vendor recommended by IAOP,  it has over 15 years of experience and operating centers in China, Japan, Europe, and North America. Their expertise includes software development, cloud solutions, business intelligence, and project management.

  1. PCCW Solutions

This vendor offers offshore development services to clients all over the world. The primary domain of this company is telecommunications, however, their website also features case studies in banking, transportation, and hospitality.

Software development companies in Singapore and Vietnam

Clutch states that there are more than 150 companies that provide development services in Singapore and Vietnam.

  1. Emerio

IAOP included this Singapore-based company into The Global Outsourcing 100 by  IAOP. They have over 20 years of experience helping clients in banking, insurance, telecommunications, education, hospitality, and other domains.

  1. FPT Software

This Asian-based company employs over 10,000 employees. They work with 600+ clients all over the world and provide services in Digital Transformation, IoT, and Cloud.

Software development 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.

IT outsourcing in Argentina, Brazil, Chile

These countries account for over 650,000 developers in the region. Typically, companies that operate in this region can be registered within one country but can have development centers in the nearby locations.

  1. Hexacta

This vendor provides nearshore software development services to companies from the US and Canada. Recommended by IAOP, they have 11 development centers in Argentina, Uruguay, Colombia, Venezuela, Brazil, and the US.

  1. Tivit

This Brazil-based software development company operates in ten countries in Latin America. They specialize in cloud-based solutions, digital payments, and technology platforms.

  1. Inclusion - The Cloud company

Here is another IT outsourcing solution provider with HQ in Buenos Aires, Argentina. It is a smaller vendor that works with clients from the USA and Europe. Their expertise includes custom software development, cloud consulting, and AI.

  1. Huenei IT Services

With 20 years of experience, this firm has development centers in Argentina, Chile, and Brazil. They provide software development and IT managed services to midsize clients and enterprises.

IT outsourcing in Mexico

There are over 170 software development companies 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.

  1. ClickIT Smart Technologies

Focusing on SaaS applications, this IT vendor works with startups and midsize clients. Their portfolio includes projects in e-commerce and advertising & marketing domains.

  1. Wizeline

Headquartered in San Francisco, this IT service provider has big development centers in Mexico. Their client list includes such world-known names as Mastercard, Dell, WSJ, and Australian Open.

Outsourcing software development Columbia

Columbian 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.

  1. PSL Corp

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

Software development companies in Mexico and South America

Software 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 five companies have made it to the list for the reputation, quality of services, and excellent reputation.

  1. Endava

With over 4,800 IT experts, this software development firm has development centers in the UK, Romania, Moldova, Bulgaria, Serbia, Macedonia, Argentina, Uruguay, Venezuela, and Colombia. They focus on custom software development, IT Consulting, and modernization of enterprise applications.

  1. Logicalis

Another company from The Global Outsourcing 100 list, this vendor currently employs over 5,700 software developers. Apart from providing high-performance tech systems, they also provide IT managed services, cloud consulting, as well as BI and Big Data solutions.

  1. DCSL Software

With 25 years of experience, this software development firm 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.

  1. 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.

  1. Geeks Ltd

This British IT vendor specializes in software development and consulting. Their key industries are media, government, and financial services.

Software outsourcing companies in the UK


The overall number of outsourcing software development companies is growing with every year, so choosing a reliable outsourcing partner becomes a tricky task. All companies on our list have a proven record of delivering top-notch custom software to clients all over the globe. They are well-known IT outsourcing vendors with experience in many industries.

Why choose N-iX among other outsourcing software development companies?

  1. We have a reputation of a trusted IT vendor. Many awards and industry recognition, as well as recommendations on various platforms confirm that we are an excellent business partner.
  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. N-iX has delivery centers in Ukraine, Poland, Belarus, and Bulgaria, which allows us to access a pool of over 570,000 of professional developers

Contact us now and let us help you gather a team of the best developers in Ukraine and Europe!


  1. People Power from The State of European Tech 2018 by Atomico
  2. Stack Overflow Developer Survey, 2018
  3. Software development in Ukraine, Poland, Belarus and Romania (report)



By Nadia Serheichuk July 02, 2019

Related Articles

About N-iX

N-iX is an Eastern European provider of software development services with 900+ expert software engineers onboard that power innovative technology businesses. Since 2002 we have formed strategic partnerships with a variety of global industry leaders including OpenText, Novell, Lebara, Currencycloud and over 50 other medium and large-scale businesses. With delivery centers in Ukraine, Poland, Bulgaria, and Belarus, we deliver excellence in software engineering and deep expertise in a range of verticals including finance, healthcare, hospitality, telecom, energy and enterprise content management helping our clients to innovate and implement technology transformations.

Connect with our experts
Get in touch