Professional Warranty Service Corporation (PWSC) is a provider of new home warranty products and administration services to the largest tier of domestic residential construction firms in the U.S.

The warranty coverage provides for impartial third-party arbitration, with multiple layers of protection for all parties and transferability among homeowners. All insurance risk in PWSC products is borne by third-party insurance companies.

The Company was acquired by Kingsway Financial Services, Inc. in October 2017.