Information technology outsourcing or ITO is a company’s outsourcing of computer or internet related work, such as programming , to other companies. It is used in reference to business process outsourcing or BPO, which is the outsourcing of the work that does not require much of technical skills.
IT outsourcing drivers
IT outsourcing refers to outsourcing all or parts of IT functions to an external party. Information technology outsourcing is a subset of business process outsourcing (BPO).  The reasons for IT outsourcing include lack of resources and cost reduction. IT outsourcing is sometimes called IT enabled services (ITES) outsourcing. 
The typical destinations of overseas IT outsourcing are India and Philippines for the American and European companies and China and Vietnam for the Japanese companies.
A combination of high overhead in the United States and strong cultural ties between the domestic and Asian information technology industries have led many companies to outsource labor-intensive software programming to Asia and Eastern Europe.
Although Eastern Europe has made a lot of competition for India in recent years, India has always been a major player in information technology (IT); They even make their own supercomputers for predicting monsoons. It was not until the Y2K bug emerged that the need for legions of cheap programmers really arose, however, and American companies began to see the potential for overseas outsourcing. After Y2K the IT service industry exploded, with American companies outsourcing everything from data entry to customer service to India and other Asian countries.
Despite its distinct advantages for companies looking to outsource their IT services, India’s volatile political climate and rampant corruption present problems. Some of the 185 Fortune 500 companies that outsource software to Asia are choosing places like Vietnam or China with more predictable politics and less corruption. The Vietnamese government has succeeded in retaining a low cost, lower risk market. A series of educational measures and incentives have also been applied to promote the technology sector. In addition, Vietnam is exceptionally attractive due to competitively low salary of the technically skilled workforce. “While not the cheapest outsourcing destination, Vietnam is still very competitive when compared to other global rentals, As wage rises in India and China. This article is about the Cushman & Wakefield family, which is part of the Cushman & Wakefield family. 
Thailand was ranked as the 6th best IT outsourcing country in 2016.  It benefits from a combination of low cost and good infrastructure. Thailand could be ranked higher with improved English language ability among skilled workers.
Other (mainly American) companies that outsource their customer service to their customers in the United States of America to the British English predominates in India, though all of these countries have their drawbacks, from censored Muslim militancy in the Philippines.
Despite the hiccups the IT service industry continues to grow as the software industry becomes more competitive and overhead. Nasscom-McKinsey predicted a $ 17 billion IT service industry in India alone. 
Countries like United States and Canada usually seek nearshore outsourcing in Latin American countries like Mexico , Guatemala , El Salvador , Panama , and others because of a closer cultural match and timezone.
In recent years Eastern Europe has also become a common ITO destination.  ITO to Eastern Europe allows Western European and North American companies to nearshore , remote insource , and in general benefit from timezone and cultural proximity. Countries like Belarus , Russia and Ukraine are common destinations for ITO within Eastern Europe. 
Outsourcing IT to Eastern Europe has been on the rise because of the low-cost but highly skilled labor in this region, as well as its geographical and cultural proximity. At first, many companies thing to outsource to more traditional Asian destinations. Eastern Europe has become a common destination for ITO.  In 2009, the number of IT professionals working for an ITO company in the Central-East European Region (not including Russia), reached 95,000; This number represents 9% growth for countries like Ukraine. 
United States of America
Although many associates outsourcing from the IT industry to be leaving America, the United States does have a wide variety of outsourcing work from other countries. A 2009 study on oDesk employment  had the United States ranked # 3 in countries that received outsourced work. United States of America, United States of America and the United States of America. The adverse effect that the American economy has on the American worker, has also increased the demand for employment in other countries. Prior to 2008, the need was not as high as the average American worker was able to find work within the 50 domestic states.
- Offshore programming
- Software testing outsourcing
- Website Management Outsourcing
- Offshoring Research Network
- Jump up^ “IS / IT outsourcing practices of small- and medium-sized manufacturers” . International Journal of Accounting Information Systems . 5 : 429-451. Doi : 10.1016 / j.accinf.2004.04.006 .
- Jump up^ ITES: Business Models,http://www.slideshare.net/amitanshu/ites-business-models
- Jump up^ VIETNAM TOPS C & W GLOBAL OUTSOURCING RENTAL INDEX FOR FIRST TIME,http://www.cushmanwakefield.de/en-gb/news/2015/03/business-process-outsourcing/
- Jump up^ IT Offshore Outsourcing Opportunities in Thailand,https://iglu.net/it-offshore-outsourcing-opportunities-in-thailand/
- Jump up^ Global Sourcing of Business and IT Services,https://books.google.co.th/books?id=_IHStt6MRukC&lpg
- Jump up^ Tagliabue, John. “Eastern Europe Becomes a Center for Outsourcing” New York Times, April 19, 2007.http://www.nytimes.com/2007/04/19/business/worldbusiness/19prague.html?pagewanted=all&_r=0
- Jump up^ Ukrainian Hi-Tech Initiative. Dec. 3rd, 2010.http://hi-tech.org.ua/intetics-sponsors-research-2010/
- Jump up^ Hoch, Detlev et al. McKinsey Quarterly, Dec 2006. “The overlooked potential for Eastern Europe outsourcing”http://www.mckinseyquarterly.com/The_overlooked_potential_for_outsourcing_in_Eastern_Europe_1884
- Jump up^ Hall, Kathleen. “Why more businesses are nearshoring in Eastern Europe” Computer Weekly, July 2011.http://www.computerweekly.com/feature/Why-more-businesses-are-nearshoring-in-Eastern-Europe
- Jump up^ By Wadhwa, Vivek. “Outsourcing Benefits US Workers, Too” Bloomberg Business Week, August 2, 2009.http://www.businessweek.com/technology/content/jul2009/tc20090731_382752.htm