TW Perry provides this information as a courtesy to its customers and visitors to its website. While TW Perry believes in the workmanship and financial standing of its contractor customers, TW Perry cannot formally guarantee nor warrantee their work or business practices. TW Perry recommends that, prior to selecting a contractor, consumers of home improvement services perform appropriate due diligence, including checking references, verifying a contractor is licensed and insured, and verifying the contractor has experience in the furnishing of goods or services to be provided.