Guy Carpenter is the world's leading risk and reinsurance specialist, creating and executing reinsurance and risk management solutions for clients worldwide. It provides risk assessment analytics, actuarial services, highly specialized product knowledge, and trading relationships with reinsurance markets throughout the world. Client services also include contract and claims management and fiduciary accounting. Run-off services and other reinsurance and insurance administration solutions are offered through Guy Carpenter subsidiaries on a fee basis.

Mercer is a leading global provider of consulting, outsourcing and investment services. Mercer consultants help clients design and manage health, retirement and other benefits, and optimize human capital. The firm also provides customized administration, technology and total benefit outsourcing solutions. Mercer's investment services include global leadership in investment consulting and multi-manager investment management. Mercer's global network ensures integrated, worldwide solutions for clients who wish to establish global policies and procedures while allowing for the flexibility to accommodate local cultural, legal and regulatory requirements. The firm's locally based professionals are also available to serve midsize companies and to address country-specific issues and opportunities.

The Oliver Wyman Group delivers advisory services to clients through three operating units, each of which is a leader in its field. Oliver Wyman is a top-tier global management consulting firm that combines deep industry knowledge with specialized expertise in strategy, operations, risk management, organizational transformation, and leadership development. Lippincott helps clients create, develop, and manage their corporate branding, identity, and image. NERA Economic Consulting advises corporations, law firms, and government entities on the economics of competition, regulation, public policy, finance, and litigation.