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Topsham, Maine


Welcome to Topsham

Our group of environmental specialists truly embodies the outdoorsy culture of the state of Maine. We’re passionate about the preservation and enhancement of the environment in New England and across the continent. This passion drives our work.

Whether it’s a building or a wind farm, development can pose substantial environmental concerns. We help alleviate these concerns through smart, creative, and sensitive design. 

Maybe you’re going fishing for the day, or enjoying the great outdoors; we’re proud to be the expert team of professionals working to help you connect with your green community.  

Photo of Nathan
Nathan Henderson

Principal
Phone: (207) 406-5491

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Expert Spotlight

John Lortie, Vice President

The most important thing I feel I do each day is support our people and encourage the good we do for each other and those we live with.

Matt Arsenault, Senior Project Manager

Plants are my passion. I’m a finder of and advocate for the subtle, obscure, cryptic, and unappreciated members of the botanical world.
Matt Arsenault Senior Project Manager Read More

Brooke Barnes, Senior Associate, Environmental Services

Success is found in the space between us and our clients, coworkers, environment, and communities. Relationships are everything!
Brooke Barnes Senior Associate, Environmental Services Read More

Michael Chelminski, Principal, Environmental Services

Dam removal reflects a wonderful synthesis of engineering and natural resource restoration. And the fish like it too - what could be better?
Michael Chelminski Principal, Environmental Services Read More

Adam Gravel, Senior Associate

Relationships build trust and last longer than contracts. I work hard to keep relationships strong and treat everyone with care and respect.

Dan Nein, Project Manager

I help keep the natural world protected and in balance alongside our active communities.

Steve Pelletier, Principal, Environmental Services

Stay true to the science.
Steve  Pelletier Principal, Environmental Services Read More
  • John Lortie

    Vice President

  • Matt Arsenault

    Senior Project Manager

  • Brooke Barnes

    Senior Associate, Environmental Services

  • Michael Chelminski

    Principal, Environmental Services

  • Adam Gravel

    Senior Associate

  • Dan Nein

    Project Manager

  • Steve  Pelletier

    Principal, Environmental Services

We're better together

  • Become a client

    Partner with us today to change how tomorrow looks. You’re exactly what’s needed to help us make it happen in your community.

    Contact Us
  • Design your career

    Work with passionate people who are experts in their field. Our teams love what they do and are driven by how their work makes an impact on the communities they serve.

    Join the Team
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