For more than three decades, Logan Simpson has provided environmental consulting, cultural resources, community planning, and landscape architecture design services throughout the West. Started in 1990 with just $2,000 in working capital, Logan Simpson now earns more than $15 million in annual revenues. We've expanded from a small shop in Arizona to seven offices throughout the West. We are proud to work with incredible clients to provide landscape architecture design, environmental planning, cultural resources, biological resources, Clean Water Act permitting, and community planning services.

Logan Simpson's biological resource specialists include botanists, avian specialists, wildlife and fisheries managers, bat biologists, ecologists, and habitat assessment and restoration specialists. Our environmental consultants meet the requirements of NEPA and the Endangered Species Act every day, and they stay up to date about natural resource management and wildlife issues. They focus on developing practical solutions to complex biological and regulatory issues. Logan Simpson's environmental consultants conduct field evaluations; biological reviews; biological assessments and evaluations; wildlife/species habitat evaluations; and species-specific surveys.

As an environmental planning firm, we offer highly skilled environmental consultants, community planners, and landscape architecture design staff. Our staff has extensive experience working on a variety of projects throughout the West and elsewhere in the US. This experience, and our "do the job right" attitude makes Logan Simpson a valuable partner in teaming efforts. Give us a call or review our website to determine how Logan Simpson can add value and quality to your project. Logan Simpson often serves as a prime contractor and a subcontractor.

Federal agencies can easily access Logan Simpson's comprehensive environmental consulting services through our GSA Schedule 899 environmental services contract (GS-10F-0063P). See below for list of services under these SINs. Visit the GSA site to see Logan Simpson's GSA catalog. For information about how to contract Logan Simpson using our GSA contract, please visit the GSA website or contact Logan Simpson. Logan Simpson is a woman-owned business. We are also a federal small business under NAICS code 541720 (archaeology and historic and cultural preservation), and 541620 (environmental consulting services).

What's new?

The Estes Valley Open Space Plan has been published! We are so glad we had the opportunity to work with the fantastic team at the Estes Valley Land Trust and all of the dedicated stakeholders. Thank you again for your trust in Logan Simpson to see your plan through.

Posted on Mar 12, 2021  •  Facebook

We are working to guide responsible change through best practices for large scale solar. Join us for a continuing education workshop on best practices next Thursday with the American Planning Association Colorado!

Posted on Mar 04, 2021  •  Facebook

Recent photos of Scottsdale Airport ✈️💙 #scottsdale #scottsdaleairpo rt #aviation #architecture #landscapearchit ecture #design

Posted on Mar 04, 2021  •  Facebook

Logan Simpson has been offering Cultural Resources and Environmental services from our Tucson office for over a decade. However, we haven’t had a member of our landscape design team on site – until now!

Posted on Jan 12, 2021  •  Facebook

Living through historic times isn't comfortable, or easy, but we hope that our actions continue to be ones that our… https://t.co/Tf9iCvLs98

Posted on Jun 19, 2020  •  Twitter

The City Council loved our designs - and we can't wait to make it a reality for them! https://t.co/MuzBYf8klc

Posted on Jun 16, 2020  •  Twitter

Thank you again to everyone who came out this morning! We were so touched by the size of the crowd that showed up t… https://t.co/H3bjFpYrZv

Posted on Nov 11, 2019  •  Twitter

We are so honored to be a part of this incredible project. https://t.co/EYkqxnqIF1

Posted on Jul 03, 2019  •  Twitter

Want to start a career in archaeology? Our Tucson office seeks an entry-level archaeologist to assist with office-… https://t.co/rLjWOh2Zfq

Posted on May 10, 2019  •  Twitter

This project is finally becoming a reality! Logan Simpson assisted the Tucson Department of Transportation, in coo… https://t.co/AtVXoqfjP3

Posted on Apr 26, 2019  •  Twitter

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