Global risk advisor and insurance broker Willis Group has signed an agreement to purchase healthcare adviser and broker, PMI Health Group (PMIHG).

Terms of the deal have not been disclosed.

PMI Health Group CEO Matthew Baldwin said: "We work to keep organisations and employees fit for business through the delivery of employee healthcare advice and services, nurse-led claims management and occupational health services."

Founded in 1986, PMIHG is claimed to be the largest independent provider of employee healthcare and risk management services in the UK.

PMIHG provides a wide range of health and protection insurance, including services targeting absence management and occupational health.

It supports organizations through providing health and protection insurance broking services, health and protection insurance and benefits consultancy, nurse-led claims and premium management services.

Willis Employee Benefits CEO Tony Powis said: "PMI Health Group is a leading healthcare adviser, with great people and a proven track record.

"This is a pivotal and exciting time for both businesses. Our combined team will provide the scale, technology and expertise to deliver innovative and compelling value propositions."

Subject to regulatory approval, the deal is expected to complete in the third quarter of this year.