In 1998, inspired by explorer Ernest Shackleton, Jim Sullivan founded The Endurance Group to offer outsourced sales and marketing services to professional firms. Over 20 years later, our mission has evolved to generate growth opportunities for clients across diverse B2B, non-profit, and B2C sectors by leveraging innovative strategies, trustworthy relationships, and advanced technologies, all grounded in integrity and creativity. Embracing the transformative power of AI, we now offer two primary services: B2B Sales and Marketing, and AI Strategy and Implementation. We believe in the future of technology while maintaining the importance of human connection, partnering closely with our clients to ensure their success.
Looking for a particular The Endurance Group employee's phone or email?
The Endurance Group Questions
The The Endurance Group annual revenue was $2 million in 2026.
Jim Sullivan is the President, Founding Partner of The Endurance Group.
15 people are employed at The Endurance Group.
The Endurance Group is based in Portland, Maine.
The NAICS codes for The Endurance Group are [54151, 5415, 541511, 54, 541].
The SIC codes for The Endurance Group are [737, 73].
Top The Endurance Group Employees
-
Jim Sullivan
President, Founding Partner at The Endurance Group
Portland, ME, US25+ -
Conor Sullivan
Vice President at The Endurance Group
Portland, ME, US22 -
Matt Majuri
President at The Endurance Group
Pinehurst, NC, US2 -
11
-
13
Related Companies
