Arizona is home to a number of environmental consulting firms that provide a wide range of services to businesses, government agencies, and individuals. These firms employ a variety of professionals, including scientists, engineers, geologists, and hydrologists. They use their expertise to help clients understand and mitigate the environmental impacts of their activities.
The 5 largest environmental consulting firms in Arizona are:
- AECOM Environment
AECOM Environment is a leading provider of environmental consulting services in Arizona. The firm has a team of over 100 professionals who provide a wide range of services, including environmental impact assessments, air quality studies, water quality monitoring, and hazardous waste management.
- URS Corporation
URS Corporation is another major environmental consulting firm in Arizona. The firm has a team of over 80 professionals who provide a wide range of services, including environmental permitting, environmental audits, and remediation.
- Stantec Consulting Services Inc.
Stantec Consulting Services Inc. is a Canadian environmental consulting firm that has a significant presence in Arizona. The firm has a team of over 70 professionals who provide a wide range of services, including environmental engineering, water resources management, and sustainable design.
- Tetra Tech Inc.
Tetra Tech Inc. is a global environmental consulting firm that has a significant presence in Arizona. The firm has a team of over 60 professionals who provide a wide range of services, including environmental consulting, engineering, and construction.
- HDR Engineering Inc.
HDR Engineering Inc. is a global environmental consulting firm that has a significant presence in Arizona. The firm has a team of over 50 professionals who provide a wide range of services, including environmental planning, engineering, and construction.

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The 7 Biggest Environmental Consulting Firm near Arizona
Everclear Environmental Solutions
- Address: 305 E Comstock Dr #5, Chandler, AZ 85225, United States
- Map: Click here
- Rating: 4.9 (69)
- Phone: +1 480-528-3882
- Website: Link
- Opening hours:
Monday: 8:00 AM – 4:00 PMTuesday: 8:00 AM – 4:00 PMWednesday: 8:00 AM – 4:00 PMThursday: 8:00 AM – 4:00 PMFriday: 8:00 AM – 4:00 PMSaturday: ClosedSunday: Closed - Reviews:
a month agoMy doctor recommended Everclear Environmental for mold remediation. I was having health challenges from lingering mycotoxins even after my husband and I had removed the original mold source from our home. Kendra was very helpful in explaining their fogging process and how it would help. Matt and John showed up on time to do the job, were professional and friendly, and finished in the time frame they said they would. I highly recommend working with this company.3 months agoA flooring project came to a halt due to a positive asbestos test. Sent out a request for a removal quote. Within minutes Kendra called. Within hours Chris was on site and provided a quote from the office. Quote was lower then other quotes I received in the meantime. Approved quote. Next morning, Matthew and team show up on time, install safety precautions, completed work in a few hours. Next morning, Matthew calls saying retest was negative, comes by to remove safety precautions and equipment. Kendra sends me the certification and all pictures – flooring project back on track. Everclear is a very effective and efficient organization. What else can I say?5 months agoAs much as no one wants to hear the words “You have asbestos in your home”, having Everclear Environmental Solutions take care of the issue was nothing but a positive experience. From day one, having Chris Garcia come out to my house promptly after speaking to him on the phone, put my mind at ease. He explained all the steps that would be taken to remove the asbestos, measured the affected areas and had a cost estimate back to me within hours. A day later, the crew showed up at exactly the time I was told, and had the job complete when they told me they would. I am someone who needs great communication with people who I have hired to do any type of work and sadly, in many cases, that doesn’t happen. Happily, this was not the case with Everclear. Hopefully, if you find yourself in the same situation I was in, you will contact this company. They are definitely top notch!7 months agoI recently found mold in my home and needed it removed ASAP. Chris and the Everclear team came highly recommended. He was quick to respond and came out early the next morning to look at it. We were under a time constraint and he was able to work with us and get the job scheduled right away. Everybody we dealt with was really helpful and responsive to our many questions. They kept us in the loop during the whole process. We had multiple quotes and Everclear was by far the best.2 months agoWhen you need abatement, especially during a remodel, it is frustrating. Chris was recommended by our builder, and everything went well. Pricing, punctuality, and professionalism were all perfectly aligned. I would highly recommend.
Prescott Environmental
- Address: 726 E Rd 1 N, Chino Valley, AZ 86323, United States
- Map: Click here
- Rating: 4.9 (57)
- Phone: +1 928-848-2639
- Website: Link
- Opening hours:
Monday: 8:00 AM – 5:00 PMTuesday: 8:00 AM – 5:00 PMWednesday: 8:00 AM – 5:00 PMThursday: 8:00 AM – 5:00 PMFriday: 8:00 AM – 5:00 PMSaturday: ClosedSunday: Closed - Reviews:
a month agoGreat working with Prescott Environmental for my septic design and approval. Terry and Beth are very communicative, answered all my questions and provided me with a layout option. I enjoyed working with them, they made the process very easy.2 months agoAs a custom home builder in the Quad cities, we are always looking for the highest quality subs we can find as trade partners on our projects. Prescott Environmental is one of our trusted trade partners offering a refreshingly professional approach and great communication. As an excavation contractor as well as a builder, I really appreciate the attention to the needs of the property when designing the systems for our homes.When I need a site investigation and septic system design, Prescott Environmental is the only call I need to make and I know I will be taken care of.
a month agoExtremely happy with Prescott Environmental. They helped with design and permit application and approvals. Project was an owner built and communication with Terry and Beth was great. Highly recommend.3 weeks agoTerry Beth & Jody at Prescott Environmental are excellent to work with – very efficient, professional and excellent customer service! Can’t ask for a better team to deal with your septic design thats for sure!2 months agoPrescott Environmental has been wonderful to work with. They respond timely to emails and available to call. Great experience.
JRM Environmental, Inc.
- Address: 7755 E Gelding Dr C104, Scottsdale, AZ 85260, United States
- Map: Click here
- Rating: 5 (31)
Arizona Environmental Specialist LLC
- Address: 201 E Southern Ave UNIT 114, Tempe, AZ 85282, United States
- Map: Click here
- Rating: 4.7 (30)
Kary Environmental Services
- Address: 641 S Drew St, Mesa, AZ 85210, United States
- Map: Click here
- Rating: 4.3 (18)
AZTEC Engineering Group, Inc.
- Address: 501 N 44th St Suite 300, Phoenix, AZ 85008, United States
- Map: Click here
- Rating: 4.2 (17)
Maricopa County Environmental Service Department
- Address: 15023 N 75th St, Scottsdale, AZ 85260, United States
- Map: Click here
- Rating: 4.7 (16)

Discover top consulting firms in various states, like those mentioned in Tennessee, Massachusetts and Indiana, to understand the dynamic business scene across the United States. These companies play a crucial role in shaping the vibrant business environment, positioning Arizona, USA as a center for strategic insights and cutting-edge solutions.
Top Environmental Consulting Firm Alternatives in Arizona
The Biggest Environmental Consulting Firm in United States
Arizona is home to several top environmental consulting firms that specialize in providing environmental assessment, compliance, and remediation services. These firms help businesses and government organizations navigate complex environmental regulations and ensure sustainable practices. Here are three of the top environmental consulting firms in Arizona:
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1. HDR Inc.
HDR Inc. is a global environmental consulting firm with a significant presence in Arizona. They offer a wide range of services, including environmental impact assessments, compliance monitoring, and hazardous waste management. HDR Inc. has a strong track record of assisting clients in various sectors, such as transportation, energy, and water resources. They have a team of experienced professionals who provide innovative and cost-effective solutions to environmental challenges.
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2. Tetra Tech Inc.
Tetra Tech Inc. is another leading environmental consulting firm in Arizona. They have extensive experience in environmental engineering, remediation, and permitting services. Tetra Tech Inc. works closely with clients to develop sustainable solutions aligned with their project goals. They have expertise in areas like air quality management, water resources, and environmental planning. Tetra Tech Inc. has a strong commitment to environmental stewardship and embraces the latest technologies to deliver effective results.
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3. SWCA Environmental Consultants
SWCA Environmental Consultants is a renowned environmental consulting firm based in Arizona. They specialize in natural and cultural resource management, ecological restoration, and environmental planning. SWCA Environmental Consultants work closely with clients to identify and minimize potential environmental impacts. They have a dedicated team of scientists, planners, and regulatory experts who provide comprehensive solutions that prioritize both conservation and client objectives.
These top environmental consulting firms in Arizona are trusted partners for organizations that prioritize sustainability and responsible environmental practices. They have a wealth of experience, technical expertise, and a strong commitment to delivering effective and efficient solutions to address environmental challenges.
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