Quick-Turnaround Proofing

Double-Check is a service offered by McKinnon-Mulherin. Double-Check proofreaders are professionals with degrees in English, communication, and education. More than 90 percent are located in Salt Lake City, Utah, and all speak English as a first language. All Double-Check proofreaders are tested, mentored, and trained rigorously.

McKinnon-Mulherin is an information design company that combines strategy, content, and technology to create high-quality corporate communication. We write, edit, and design a variety of project types:

  • Proposals
  • Brochures
  • Presentations
  • Newsletters
  • Press Releases
  • Employee Manuals
  • User and Product Guides
  • White Papers
  • Case Studies
  • Knowledge Articles
  • Web-Based Training
  • Instructor-Led Training
  • Blended Training
  • Job Aids


It's Not Bragging If Someone Else Says It

  • “Your writer was brutal on editing our work, but she was right on every edit she made. The guide now reads much, much better and we are very grateful for what she did.”

    Scott Niskach | Director of International Sales, Evans & Sutherland

  • “I love the quick, accurate proofreading and editing services that McKinnon-Mulherin provides. I have been very happy with the careful work they do.”

    Michelle Lundberg | Marketing Campaign Manager, Dentrix Enterprise – Henry Schein Practice Solutions

  • “McKinnon-Mulherin Inc. provides excellent editing and proofreading. Their services assist us in developing professional, public-facing products.”

    Marty Malheiro | Outreach Education Coordinator, Utah Poison Control Center

Get a Proof

Email us at proofer@double-check.us to get started.