Cornerstone  serves  a  diverse  client  base  ranging  from  small  non-profits  through  to  government ministries  and  international  development  organisations.  The  Cornerstone  team  has  built  a  solid reputation  among  its  client  base  for  delivering  thorough,  detailed  research,  readable  reports  and insightful  solutions.  Cornerstone  is  therefore  often  approached  to  do  bespoke  work  for  clients, where specialist expertise is required. We also do repeat work for nearly all our clients. Cornerstone has worked for the following clients:

International work

  • UNOPS
  • UNICEF – country offices of Bangkok, Egypt, India, Lesotho, Maldives, Mongolia, Nigeria, Rwanda, Tajikistan, Vietnam and South Africa
  • World Bank’s Strategic Impact Evaluation Fund (SIEF)
  • GIZ - Die Deutsche Gesellschaft für Internationale Zusammenarbeit
  • International Budget Partnership
  • Ministry of Finance, Lesotho
  • Ministry of Finance and Economic Planning, Rwanda
  • State Secretariat for Economic Affairs (SECO), Swiss Confederation
  • The Brookings Institution

Parliament and the legislative sector (South Africa)

  • Standing Committee on Finance – Parliament
  • SALGA – South African Local Government Association
  • The Speaker’s Forum
  • The  Legislatures  of  the  Eastern  Cape,  Free  State,  Gauteng,  KwaZulu-Natal,  Limpopo, Mpumlanga and Northern Cape.
  • APAC – Association of Public Accounts Committees

Government Ministries/Departments (South Africa)

  • National Treasury
  • Department of Arts and Culture
  • Department of Justice and Constitutional Development
  • Department of Monitoring and Evaluation, in the Presidency
  • Department of Social Development
  • Department of Transport (Western Cape Province)
  • The Office of the Auditor General

South African NPOs

  • Centre for Child Law, University of Pretoria
  • Centre for Development and Enterprise
  • The South African Cities Network
  • DG Murray Trust
  • Ilifa Labantwana
  • Independent Schools Association of South Africa (ISASA)
  • Legal Resource Centre, South Africa
  • RAPCAN
  • Section 27 (an education advocacy NPO)
  • The Teddy Bear Clinic