The Endurance Group

The Endurance Group company information, Employees & Contact Information

Updated May 2026

Quick answer

The Endurance Group is a Business Consulting and Services company and founded in 1999. It has approximately 19 employees on record. Contact data was last refreshed in May 2026. Find The Endurance Group's verified employee emails, phone numbers, headquarters address, and key decision makers below.

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.

Company Details

Employees
19
Founded
1999
Address
57 Exchange St,
Phone
+1- 207-407-9264
Industry
Business Consulting And Services
NAICS
Management, Scientific, and Technical Consulting Services
Management Consulting Services
Other Scientific and Technical Consulting Services
Other Management Consulting Services
HQ
Portland, Maine
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