Professional Headshot of Tim Crawford

Tim Crawford

Third Party Attestation Principal

CPA, CITP, CISA, CISSP

Executive Summary

Tim Crawford is a Principal who coordinates attestation services and staff support during fieldwork. He leads BDO’s WebTrust practices and oversees System Organization Controls (SOC) 1, 2, and 3 reporting services. ​

With more than 15 years of professional experience in the assurance services field with commercial and nonprofit entities, Tim conducts audits, reviews, and agreed-upon procedures. He coordinates consulting services to design, implement and optimize compliance strategies, business continuity plans, risk assessment, SOC, WebTrust, ISO 27001 and other compliance efforts. His experience includes working with industries such as manufacturing, retailers, distribution, logistics, software development, managed services, professional services, cloud services, application service providers, data storage companies, website hosting, web browsers, and healthcare. As a volunteer on the WebTrust/PKI Assurance Task Force, he focuses on PKI engagements involving TLS/SSL, Code Signing, S/MIME, and other uses.

  • CPA Canada - WebTrust/PKI Assurance Task Force, Subject Matter Expert
  • Missouri Society of Certified Public Accountants, Member
  • X9 – PKI Study Group Member


  • M.Acc., St. Louis University
  • B.S., Accounting, University of Missouri