The environmental consulting industry in Arizona is a diverse and integral part of the state's economy. These firms provide comprehensive environmental solutions, ranging from compliance assistance to groundwater management. They help clients navigate through complex environmental regulations and permitting processes. With their scientific expertise and industry knowledge, these firms play a pivotal role in the protection and enhancement of public health and the environment. As the importance of environmental stewardship gains momentum, the role of these companies in Arizona's future is expected to grow.


Top 23 environmental consulting companies in Arizona

1. SWCA Environmental Consultants

  • Website: swca.com
  • Headquarters: Phoenix, Arizona, United States
  • Founded: 1981
  • Headcount: 1001-5000
  • LinkedIn

SWCA is a nationwide environmental consulting firm that helps clients navigate the environmental compliance process using scientific expertise and industry knowledge. They offer a full suite of services to meet environmental goals and regulations.


2. Arizona Department of Environmental Quality ADEQ

  • Website: azdeq.gov
  • Headquarters: Phoenix, Arizona, United States
  • Founded: 1986
  • Headcount: 201-500
  • LinkedIn

The company, AZDEQ, is an environmental management agency focused on hazardous waste management, air and water quality programs, and compliance assistance. They offer services and assistance to businesses and communities to protect and enhance public health and the environment.


3. Montgomery & Associates

Montgomery & Associates is a water resource consulting company that offers services in water supply, hydrogeology, modeling, and data management. They assist clients in sustainable groundwater management and provide expertise in permitting for green hydrogen projects.


4. WestLand Engineering & Environmental Services

  • Website: westlandresources.com
  • Headquarters: Tucson, Arizona, United States
  • Founded: 1997
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

WestLand Resources, Inc. is an engineering and environmental services company specializing in geomatics, urban and community development, mining and industrial projects. They offer expertise in cultural resources, environmental consulting, GIS, landscape architecture, and engineering. With a team of skilled professionals, WestLand is committed to inspiring excellence and ensuring client success.


5. Sol Solutions, LLC

Sol Solutions, LLC (Sol) is a certified 8(a), Service-Disabled Veteran-Owned Small Business offering a range of environmental compliance and sustainability services. With a team of experienced environmental professionals, they provide multi-media compliance, inspections, audits, training, and more.


6. Earthworks Environmental, LLC

Earthworks Environmental is a company that specializes in environmental consulting and services. They offer expertise in areas such as compliance management, stormwater management, and environmental protection. With a team of experienced professionals, they provide customized solutions to clients nationwide.


7. Native Resources Intl.

Native Resources International is a company specializing in revegetating native plants on project sites. They offer a proven system for plant relocation, plant nursery development, and landscape construction, focusing on environmentally sensitive approaches to development.


8. Harris Environmental Group, INC.

  • Website: heg-inc.com
  • Headquarters: Tucson, Arizona, United States
  • Founded: 1993
  • Headcount: 11-50
  • LinkedIn

Harris Environmental Group, Inc. is an environmental consulting firm specializing in natural resource projects. They offer services such as environmental planning, habitat restoration, drone surveying, and litigation support.


9. YellowBird

  • Website: goyellowbird.com
  • Headquarters: Phoenix, Arizona, United States
  • Founded: 2019
  • Headcount: 11-50
  • Latest funding type: Seed
  • LinkedIn

YellowBird is a two-sided marketplace that connects companies with risk and environmental, health, and safety professionals in an on-demand manner. They use an internal matching algorithm to ensure the right fit every time, providing access to a nationwide network of vetted professionals. YellowBird takes care of the entire process, allowing companies to focus on their core business.


10. Wanna Tri LLC

Wannatri.com provides environmental consulting, testing, and low-carbon technology services, including environmental impact assessment, monitoring, and protection, as well as soil, water, air, and noise testing.


11. Terra Verde Services

Terraverde is a sustainability consulting and advisory firm offering services to corporations, governments and organizations to support their sustainability goals and bottom line.


12. Evolutionary Ecology, LTD.

Evolutionary Ecology is a company providing ecological consulting services for environmental research and management. Their services include ecological assessments, biodiversity surveys, habitat mapping, and impact assessments.


13. Environmental Data Management

  • Website: edm-usa.com
  • Headquarters: Scottsdale, Arizona, United States
  • Founded: 1998
  • Headcount: 11-50
  • LinkedIn

EDM-USA provides Comm-Trac™ environmental management software products to foster proactive approach towards environmental health and safety management for companies of any size and budget.


14. EPG Environmental Planning Group, LLC

  • Website: epgllc.co
  • Headquarters: Phoenix, Arizona, United States
  • Founded: 1999
  • Headcount: 51-200
  • Latest funding type: Private Equity
  • LinkedIn

EPG LLC is an environmental planning and consulting firm focused on creating relationships of integrity with customers, communities, and the environment. They offer interdisciplinary planning, design skills, and defensible processes to achieve sustainability and thrive-ability in external and internal environments.


15. J2 Design

  • Website: j2design.us
  • Headquarters: Phoenix, Arizona, United States
  • Founded: 2002
  • Headcount: 11-50
  • LinkedIn

J2 Design is a company that offers engineering and environmental design services. They specialize in providing sustainable solutions for various industries.


16. The Sustainability Consortium

The Sustainability Consortium is a global non-profit organization focused on transforming supply chains to be more sustainable. They offer tools, training, and support services to help organizations address cost efficiency and reduce their environmental impact.


17. Siino Design, LLC (dba E4 Environmental, dba Siino IT, dba Siino Development)

Siino Design is a project management professional firm specializing in architectural, engineering, environmental compliance, and information technology services for telecommunication/wireless, renewable energy, commercial and residential projects. They support the lifecycle of build to suite projects and provide quality and timely services with customer satisfaction and loyalty as their goal.


18. Amy Westrick Arts

Amy Westrick is a sustainability consultant with a passion for creative problem-solving. She offers design work for innovative products and sustainability consulting for businesses, utilizing her interdisciplinary skillset to tackle any challenge. She specializes in a stakeholder-centric approach to help companies determine what sustainability means for them and translate complexity into understandability.


19. Transcon Environmental

  • Website: transcon.com
  • Headquarters: Mesa, Arizona, United States
  • Founded: 1999
  • Headcount: 51-200
  • LinkedIn

Transcon is an environmental services company that specializes in understanding and serving clients. With offices in Arizona, California, and Utah, they offer a range of services using the latest technology and expertise. Contact them to learn more.


20. Hanlon Engineering & Architecture, Inc.

Hanlon Engineering is a Tucson, Arizona and Elko, Nevada based company specializing in various engineering services. They offer expertise in civil, structural, mechanical and piping, pumping and piping, electrical and instrumentation, programming, and project management. They have experience in projects such as solar engineering, concentrate building expansion, and acid unloading and storage. They prioritize sustainability, quality assurance, and small business enterprise policies.


21. Studio Ma

  • Website: studioma.com
  • Headquarters: Phoenix, Arizona, United States
  • Founded: 2003
  • Headcount: 11-50
  • LinkedIn

Studio Ma is an internationally recognized architecture, environmental design and planning firm that creates lasting connections between people and place.


22. Green Technology Investments (GTI)

  • Website: gt3i.com
  • Headquarters: Scottsdale, Arizona, United States
  • Founded: 2012
  • Headcount: 11-50
  • LinkedIn

GT3i.com is a company that specializes in green technology investments. They offer a range of products and services related to system sales, service, support, and training. Their focus is on providing sustainable solutions and critical parts for various industries.


23. Perfect Power

Perfect Power Network offers innovative energy solutions for businesses and individuals. With a focus on sustainability and cost-effectiveness, the company provides a range of products and services to optimize energy usage and reduce environmental impact.


Want to find more environmental consulting companies?


If you want to find more companies that offer solutions in environmental compliance, air and water quality, and sustainable groundwater management you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
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...and a lot more!