Sourcing Solutions


You need the best service offering from the most capable service provider at a competitive price. From support for sourcing strategy to preparing for a merger or acquisition, ISG’s Sourcing Solutions help enterprises implement their chosen sourcing strategy with a structured and systematic approach. Doing it with ISG means gaining competitive advantage with innovation, differentiation and commodity IT capabilities.


  • ISG Blockchain Now™ – enterprises want to take advantage of this cutting-edge technology, but they need to solve actual business problems, and they need actionable business cases that prove blockchain can provide real returns. ISG helps enterprises leverage blockchain to their advantage. We understand the technology, but more importantly we understand how the technology can drive value for your enterprise.
  • ISG FutureSource™ – a unique and comprehensive sourcing solution that helps enterprises and public sector organizations evaluate their business requirements, identify desired outcomes, fast-track the provider identification and selection process, collaborate with providers on developing the right solution, get to a signed contract and transition operations faster than ever before.
  • Financial Analysis – support your sourcing transactions with an expert read on the numbers to optimize value and mitigate risk
  • Qualitative Assessment - ISG uses judgment studies to assess the maturity of your existing IT environment and the perception of satisfaction and readiness to implement change in your organization.
  • Renegotiations – solidify a strategy, build consensus around the sourcing objectives and assess the scope and organizational readiness for renegotiating. Let us help you discern if the original business case for sourcing still applies or create a new business case based on today’s needs and environment.
  • Transition & Transformation – address the challenges of a services transition to a new service provider and build a positive foundation for partnership.

Watch ISG’s Barry Matthews discuss sourcing in the digital era.

Watch ISG’s Barry Matthews discuss next-gen sourcing.

Watch ISG’s Barry Matthews discuss sourcing in the intelligent enterprise.


Lyonel Roüast

Partner and President, ISG South Europe, Middle East & Africa

Mr. Roüast is Partner and President, ISG South Europe, Middle East & Africa. Lyonel was previously President - EMEA, Compass Management Consulting.

Lyonel Roüast joined Compass Management Consulting France in 1999 and is responsible for managing the fast-growing European presence of the company. Previously he held the posts of Managing Director Compass South Europe and Director of Europe.

Prior to joining Compass, Lyonel spent much of his career with IBM France where he was a Sales Manager specialising in the banking sector. In 1995 he was appointed Sales Director for the banking sector of CGI and then for the banking department with IBM Global Services.

An engineering graduate from the ESIEA, Lyonel also has a post graduate degree from IAE Paris.