Maturity Assessment Global Business Services GBS is a global benchmarking and consulting services provider. It provides an extensive range of services for companies looking to improve their performance. The company manages a team of over 600 experts in all areas of business, including financial, human resources, marketing, information technology and legal. The company has developed a proprietary tool called Maturity Assessment Global Business Services GBS that helps companies to assess their current maturity level in the areas of business strategy, financial performance and organizational structure. It is used by hundreds of companies around the world to help them make better decisions about their future strategies and plans.