One Mid-Atlantic financial services firm is joining forces with another Mid-Atlantic firm.

The Severn Financial Group L.L.C., Annapolis, Md., has agreed to form a partnership with the Washington Group, Bethesda, Md., an agency of Massachusetts Mutual Life Insurance Company, Springfield, Mass., according to the Washington Group.

The Washington Group serves 31,080 policyholders and clients with a total of $6.8 billion in life insurance coverage in force and a network of 72 career agents.

The Severn Financial Group is led by a team of 5 founding partners and serves 3,000 clients, according to the Washington Group.