Welcome to the Green Alliance, your local resource for huge savings at sustainable businesses throughout New Hampshire, Massachusetts, and Maine!


You could be saving hundreds – even thousands – of dollars on everyday green goods and services with the Green Card. A membership to the Green Alliance is your chance to get great values on products and services that align with YOUR values. 

Like what we do? Help us to substantially increase our impact by becoming a Green Alliance Sustaining Memberor a Green Alliance Benefactor! Your support is crucial to our success; together, we can create the communities we want for ourselves and our children!


Green Collar Careers: Green Maids Owner, Johnmark O'Brien

Green Maids

Originally published in The New Hampshire.

By Anna Murphy

Johnmark O’Brien, owner of Green Maids, has been cleaning up grime since 2009. O’Brien started his green cleaning company with the mission to keep harmful chemicals out of the community and local environment’s waste-stream. It was a mission O’Brien embarked upon while a college student. Based in York Harbor, Maine, Green Maids now services the New Hampshire seacoast as well as southern Maine.

To ensure his company promotes and…

Upcoming Event: Weathering Change

Upcoming Event
Mar 12, 6:00 to 8:00 p.m., Green Alliance, 75 Congress St Suite 304, Portsmouth

An increase in extreme weather is a direct result of climate change, and threatens the stability and safety of businesses across the world. Is your business prepared for disaster? Join us on Thursday, March 12 as we hear from experts on business preparedness, including Marsha Haines of the Red Cross, MJ Shoer of Jenaly Technology, and Roger Stephenson of NH Coastal Adaptation Workgroup. This event is open to the public and food, beer, and wine will be served. RSVP to sarah@greenalliance.biz.

What makes our local business partners green?


When a business partners with the Green Alliance, they undergo a rigorous sustainability evaluation. With this toolkit, you can be sure that you are making an authentic sustainable choice.