Our Clients

A true partnership is a two-way street — ideas and information flow openly and regularly, based on a foundation of mutual trust and respect for one another’s expertise — and our clients embrace this philosophy.

The best and most productive relationships are synergistic and goal-oriented, and a long-term relationship has the value add of deep-rooted industry and company knowledge and relationships.

Our client list speaks for itself. Since our earliest days, we’ve represented everything from start-ups to Fortune 500 companies with that same partnership approach and dedication at the core of every engagement. Every day, since 1996, we’ve been devoting our hearts and minds to our clients, achieving great successes and building lasting relationships.

CLIENT MEDIA COVERAGE

Here is a sample of our current and past clients:

  • The Castle Group works with Advisian
  • ariad-logo
  • bc-high-logo
  • bidmc-logo
  • The Castle Group works with Biogen
  • The Castle Group works with Boston Business Journal
  • burns-and-levinson-logo
  • The Castle Group works with Cell Signaling Technology
  • care-logo
  • cwe-logo
  • dana-farber-logo
  • dell-logo
  • The Castle Group works with Deloitte
  • The Castle Group works with Domino's
  • eastern-real-estate
  • edwards-logo
  • The Castle Group works with the Family Reach Foundation
  • genzyme-logo
  • The Castle Group works with Gordon Brothers
  • grant-thornton-logo
  • Greater Lawrence Technical School
  • harvard-medical-school-logo
  • hp-logo
  • iso-england
  • iso-new-york-logo
  • jfcs-logo
  • johnson-and-johnson-innovation-logo
  • keene
  • lh-logo
  • lo-jack-logo
  • march-of-dimes-logo
  • mcec-logo
  • mit-logo
  • moritz-logo
  • newbury-college-logo
  • new-england-law-boston-logo
  • The Castle Group works with Newton-Wellesley Hospital
  • The Castle Group works with The North Georgia Conference of the United Methodist Church
  • ocean-spray-logo
  • The Castle Group works with Parenting Journey
  • pega-logo
  • pepperdine-university
  • randstad-logo
  • The Castle Group works with Recovery Centers of America
  • The Castle Group works with RedStar
  • salem-five-logo
  • sanofi-logo
  • The Castle Group works with SHI International Corp.
  • The Castle Group works with South Shore Health System
  • stacys-logo
  • symantec-logo
  • tbha-logo
  • The Castle Group works with Tufts University
  • umass-boston-logo
  • united-educators-logo
  • The Castle Group works with United South End Settlements
  • The Castle Group works with Wentworth Institute of Technology
  • wgbh-logo
  • The Castle Group works with YW Boston