IAOP reveals 2025 Global Outsourcing 100 list

NEW YORK, UNITED STATES — The International Association of Outsourcing Professionals (IAOP) has released its annual Global Outsourcing 100 list for 2025, marking the 19th year of recognizing excellence in the outsourcing industry.

Industry leaders and recognition

The 2025 list features 91 prominent companies across various sectors, with several organizations achieving consecutive recognitions. Notably, both Foundever and Colliers have secured their positions for the 19th consecutive year.

“In an era defined by extraordinary technological advancements and digital transformation, The 2025 Global Outsourcing 100 highlights the outstanding achievements of service providers and advisors who continue to lead and innovate,” said Debi Hamill, CEO of IAOP.

Selection process and criteria

The selection process involves a rigorous scoring methodology, including an independent review by IAOP customer members with extensive experience in selecting outsourcing service providers. Among the independent panel of industry experts include:

• Daniel Beimborn, Professor, University of Bamberg 
• Heiko Gewald, Professor, Neu-Ulm University of Applied Sciences 
• Michael Nacarato, COP, Senior Director, Transamerica 
• FD Giambattista, former Vice President, Partner Management and Governance, UNUM 
• Surinder Rana, former Senior Officer – Global Real Estate | Corporate Services, International Monetary Fund

Companies are evaluated based on their performance, growth, and customer references.

Notable companies on the 2025 Global Outsourcing 100 list

• Outsource Accelerator (OA) Source Partner firms: HGS, Innovature BPO, Innowise Group, oworkers, ScienceSoft, Xceed
• Global consulting firms: Deloitte Consulting, KPMG International, EY, The Boston Consulting Group
• Technology leaders: Infosys, CGI, DataArt, ELEKS
• Customer experience specialists: Teleperformance, Concentrix + Webhelp, Foundever
• Real estate services: Colliers, Cushman & Wakefield, Newmark
• Healthcare solutions: GeBBS Healthcare Solutions, Vee Healthtek

“The fast pace and complexity of change – from access to AI-driven insights and regulatory updates to evolving workforce expectations and the demand for smarter, more adaptive spaces – are driving organizations to rethink how they use their corporate real estate and manage their portfolios strategically,” noted Chris McLernon, CEO of Real Estate Services Global at Colliers.

Here is the complete list of IAOP’s 2025 Global Outsourcing 100:

1. 1. a1qa
   2. Accedia
   3. ADEC Innovations
   4. Alight Solutions
   5. Altamira
   6. Analytix Business Solutions 
   7. Auxis
   8. Avasant
   9. Baker McKenzie
   10. Canon Business Process Services         
   11. Centro
   12. CGI
   13. CHI Software
   14. CIeNET
   15. CMS
   16. Colliers
   17. COMPUTOOLS
   18. Concentrix + Webhelp
   19. Cushman & Wakefield
   20. DataArt
   21. Deloitte Consulting
   22. DLA Piper
   23. Eclaro
   24. ELEKS
   25. Elixirr
   26. ELLUCIAN
   27. EY
   28. Foundever
   29. GeBBS Healthcare Solutions   
   30. Glorium Technologies
   31. HGS
   32. Hi-Think 
   33. IBA Group
   34. IMS Group
   35. Infosys
   36. Innovature BPO
   37. Innovecs
   38. Innowise Group
   39. Intetics
   40. Itel International
   41. Itera
   42. Jelvix
   43. Kelly Services
   44. Kirkland & Ellis LLP
   45. KM² Solutions
   46. KPMG International
   47. LegalBase
   48. Light IT Global
   49. Miratech
   50. Neo Group
   51. Newmark
   52. NIX
   53. Octopus Outsourcing
   54. Orion Innovation
   55. oworkers
   56. Pillsbury Winthrop Shaw Pittman                    
   57. QAwerk
   58. Quatrro Business Support Services       
   59. QX Global Group
   60. RAYA CX
   61. Redwerk
   62. RITS Professional Services
   63. Scalefocus
   64. SCICOM (MSC) Berhad
   65. ScienceSoft
   66. SCSK Serviceware
   67. SEBPO
   68. Sigma Software
   69. Softengi
   70. SPS
   71. Startek
   72. Sutherland Global
   73. Svitla Systems
   74. Tata Communications Transformation Services Limited
   75. Teleperformance
   76. TELUS Digital
   77. The Boston Consulting Group
   78. The Hackett Group
   79. The Millennium Group
   80. Transparent BPO
   81. UnifyCX
   82. Vee Healthtek
   83. Vee Technologies
   84. Vention
   85. Versal
   86. WAVESTONE
   87. Windy Street
   88. West Monroe
   89. WTW
   90. Xceed
   91. Zinnov Management Consulting

The complete list includes companies spanning various industries, from IT services and business process outsourcing to real estate and professional services. This year’s selection reflects the industry’s adaptation to technological advancements and changing market demands, with a particular emphasis on digital transformation and customer experience enhancement.

In related news, the leading global outsourcing marketplace, Outsource Accelerator, is set to release its list of the world’s top 500 outsourcing companies based on an objective index called OA500. The 2025 edition of the OA500 will be released later this month.