B2B Sales

& Marketing


For over 20 years, The Endurance Group has developed the expertise and best practices to create, implement, and execute effective business development programs for clients around the world. 



to fit your 


The Endurance Group has a range of services to support clients and address all of their B2B needs. 


Our expertise includes end-to-end sales and marketing services or periodic engagement on a particular campaign or challenge.

We help our clients unlock growth with our services: 

  1. Lead Generation

  2. Outsourced Sales

  3. Social Media and Digital Marketing

  4. LinkedIn Campaigns

  5. Content Development and Case Studies


Click on the links to explore our services.

Business People Applauding



We can help you exceed your growth and revenue potential.

"I believe that if you show people the problems and you show them the solutions they will be moved to act."
~Bill Gates

Business Development Specialties

Over the last twenty years, we have found that there are niche sectors in which we have particular expertise. These are:

  1. Professional Services Firms

  2. US Market Entry


Experience has given us valuable lessons that help us navigate markets that otherwise appear oversaturated. 

We can help you find the right sales channels to expand your opportunities for success.




"The harder you work, the luckier you get." 
~Joe Ricketts

What makes us a good fit for your B2B needs? 

Our team is passionate about opening new doors and uncovering innovative opportunities. More than consultants, our seasoned professionals manage and execute all stages of the B2B sales and marketing process. 


Whether you need direct calls, email campaigns, social media management, or an overhaul of your sales process, our experts are here to help. 


Our approach with clients is to build a true partnership marked by open communication and mutual respect. Our services are customized to fit your needs and maximize results.


Working with The Endurance Group means that you are ready to take your business growth to the next level. We are not here to simply add to your sales channels; a partnership with us means you can expect them to be multiplied. 

"Unless you choose to do great things with it, it makes no difference how much you are rewarded, or how much power you have."
~ Oprah Winfrey

Tel.   207-370-6266

Fax.  207-850-2232


45 Exchange Street

Portland, ME 04101