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!


Meet a Green Alliance Business: Green Maids

Green Maids

Published in the Portsmouth Herald and on Seacoast Online

Who: Green Maids

What: Launched in 2009, Green Maids is a residential and commercial green cleaning company that services New Hampshire and southern Maine. The company uses eco-friendly products and methods that are all-natural, biodegradable, Earth friendly, non-toxic, and EPA and Green Seal certified. Owner Johnmark O'Brien is adamant that keeping a home clean with organic or natural products can help alleviate, or prevent, respiratory illnesses,…

Upcoming Event: The Fall Science Café in Portsmouth

Upcoming Event
Oct 29, 6:00 - 8:00 p.m.; doors open at 5:00 p.m., Portsmouth Brewery, 56 Market St

The Portsmouth Brewery is hosting the Portsmouth Science Café on October, 29 in the Brewery’s Jimmy LaPanza Lounge. The topic of discussion is- Superman or Clark Kent: What kind of bystander are you?. The event is hosted by UNH faculty member Cameron Wake and will feature faculty members Sharyn Potter, professor of sociology and Victoria Banyard, professor of psychology. They will discuss topics relating to interpersonal violence and ways in which that violence can be prevented. It is important to facilitate such as discussion in order to make help more accessable and people more willing to help. Come and share in what is sure to be lively discussion. This discussion is free and open to the public; the doors will open and hour early for visitors to purchase food and drinks if desired.

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.