Unum Group (NYSE: UNM) is a group and individual insurance company that provides disability, life, accident, critical illness, dental, and vision benefits primarily to employer groups and their employees. It makes money by collecting premiums on insurance policies and generating investment income on the float held between premium collection and claims payment. Unum operates through three reportable segments: Unum US, Unum International, and Colonial Life, with Unum US representing the largest share of the business. The company is headquartered in Chattanooga, Tennessee and serves customers in the United States and the United Kingdom. Colonial Life distributes benefits products through a direct-to-employee sales model, distinct from the employer-sponsored group channel used by Unum US. The company is a dividend-paying insurer with a capital structure that includes policyholder reserves as a primary liability. Richard McKenney serves as CEO. The 10-K for the fiscal year ended December 31, 2025 was filed on February 17, 2026.

Revenue model

Premiums collected on group and individual insurance policies (disability, life, accident, critical illness, dental, vision) plus net investment income earned on the asset portfolio backing policyholder reserves.

Products and services

Group long-term disability, group short-term disability, group life and accidental death and dismemberment, voluntary benefits (accident, critical illness, hospital indemnity), dental and vision insurance, individual disability insurance, and supplemental health products sold under the Colonial Life brand.

Customers and end markets

Employer groups of varying sizes and their employees in the United States and United Kingdom; individual employees purchasing voluntary benefits at the worksite.

Value-chain role

Direct insurance carrier and benefits administrator; underwrites, prices, and administers group and individual insurance policies; distributes through brokers, benefit consultants, and a proprietary field sales force.

Geographic exposure

Primary operations in the United States (Unum US and Colonial Life segments) and the United Kingdom (Unum International segment), per the FY2025 10-K filed February 17, 2026.

Source: SEC 10-K, filed 2026-02-17

Industry: Accident & Health Insurance Peers: Aflac Inc /entities/ang-pd Brighthouse Financial Inc Globe Life Inc Lincoln National Corp MetLife Inc Principal Financial Group Inc Prudential Financial Inc Primerica Inc