Keystone By Design, Inc. is a Pittsburgh, PA tax preparation provider serving individual and business filers. The firm prepares and e-files Federal, State, and Local tax returns, with source text noting support for PA Property Tax Rebate forms.

Its tax preparation work includes returns for individuals, partnerships, estates, and S corporations. Clients can choose between in-person and virtual tax preparation, with document upload referenced for remote service. The profile facts also list an AFSP credential.