About The Complex Sale | Our Clients

The TCS approach focuses on working more closely with a limited number of clients and providing methodologies customized to your company, delivered by experienced sales executives who know your solutions, your industry, and your competitors.

sales trainers

TCS has trained over 100,000 sales people from over 50 countries around the world. Our clients have discovered that an investment in the skills of their professionals has paid profound dividends, not only in sales and account management effectiveness, but also in their personal development.

Our clients include:

  • Abbott Point-of-Care, Inc.
  • ACS - A Xerox Company
  • ADT
  • AIS
  • Alere Health
  • BNA Software
  • Bomgar Corporation
  • CA Technologies
  • CCC Information Services Inc.
  • CGI Group Inc.
  • Comcast
  • Compliance 360
  • Convergys
  • Digi International Inc.
  • Ecolab Inc.
  • Epson America, Inc.
  • Evolving Systems, Inc.
  • FLSmidth
  • Gas Strategies Consulting
  • Integrated Research Inc.
  • Integrated Research UK Ltd
  • Kantar Health
  • Manhattan Associates
  • Marketo, Inc.
  • Matrix Resources Inc.
  • Melbourne IT
  • Noble Systems Corporation
  • Ooyala, Inc.
  • Philips Healthcare
  • Retalix USA Inc.
  • Roper Industries, Inc.
  • SAP America, Inc.
  • Savvis EMEA
  • Siemens One, Inc.
  • Software AG
  • Tangoe, Inc.
  • Timberland Equipment Limited
  • Transplace
  • Vocera Communications
  • Web Industries, Inc.