Environmental consulting companies in Colorado focus on assessing and managing environmental issues. They tackle problems ranging from pollution control to compliance with regulations. A variety of firms operate in the state, offering specialized services such as risk assessment, water management, and remediation. With increasing awareness of sustainability and climate change, the demand for these services is expected to rise. Companies are investing in innovative technologies to enhance their capabilities, indicating a strong trend toward integrating scientific advancements into environmental solutions.


This listing features 22 environmental consulting companies in Colorado, representing various sizes and specializations. The firms range from small teams with fewer than 50 employees to larger organizations with several hundred professionals. Most companies established since the 1980s emphasize services such as environmental assessments, sustainability strategies, and water resource management. Their headquarters are strategically placed throughout the state, notably in Boulder and Fort Collins, which are hubs for environmental innovation and research.


Continue reading to explore the top environmental consulting companies in Colorado.


Top 22 Environmental Consulting Companies in Colorado


1. Integral Consulting Inc.

  • Website: integral-corp.com
  • Ownership type: Private
  • Headquarters: Boulder, Colorado, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Latest funding: Other (Grant), $379,000, January 2022
  • Founded year: 2002
  • Headcount: 201-500
  • LinkedIn: integral-consulting-inc.

Integral Consulting Inc. is an environmental consulting firm based in Boulder, Colorado, founded in 2002. With a workforce of approximately 264 employees, the company specializes in a broad spectrum of services, including risk assessments, engineering solutions, and sustainability strategies. Integral serves a variety of clients, ranging from private businesses to government entities, providing expert guidance on environmental regulations and challenges. The firm operates with a collaborative mindset, leveraging a multidisciplinary team of professionals, including toxicologists, engineers, and marine scientists, to deliver customized solutions. Integral has been actively involved in addressing contemporary environmental issues, such as PFAS contamination and coastal climate resilience. Their recent funding of $379,329 in January 2022, indicates ongoing investment in their capabilities and services. Integral Consulting Inc. is committed to helping clients navigate the complexities of environmental management and compliance, making them a notable player in the consulting industry.


2. Ensero Solutions

  • Website: ensero.com
  • Ownership type: Private
  • Headquarters: Fort Collins, Colorado, United States (USA)
  • Employee distribution: Canada 85%, United States (USA) 15%
  • Founded year: 1995
  • Headcount: 51-200
  • LinkedIn: alexco-environmental-group

Ensero Solutions, based in Fort Collins, Colorado, is an environmental consulting firm that has been operational since 1995. The company specializes in environmental assessments, water management, and remediation services, primarily serving clients in the mining and industrial sectors, as well as various government agencies. With a workforce of approximately 121 employees, Ensero Solutions has a significant presence in Canada, where about 85% of its operations are based. The firm is known for its innovative approaches to environmental challenges, particularly in the areas of water treatment and site restoration. Ensero's commitment to sustainability is evident in its strategies that aim to balance environmental stewardship with economic growth. Their expertise extends to microbiology and genomics, which they leverage to enhance the effectiveness of biological treatment systems. Ensero Solutions has not reported any recent funding, indicating a stable operational model without reliance on external financial support.


3. Pacific Western Technologies

  • Website: pwt.com
  • Ownership type: Private
  • Headquarters: Wheat Ridge, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1987
  • Headcount: 11-50
  • LinkedIn: pacific-western-technologies-denver

Pacific Western Technologies, LTD (PWT) is an environmental consulting firm based in Wheat Ridge, Colorado, founded in 1987. With a workforce of approximately 36 employees, PWT specializes in providing a full suite of environmental management, remediation, and engineering services. The company caters to both government agencies and private industrial clients, focusing on innovative and sustainable solutions to complex environmental challenges. PWT's services include environmental consulting, GIS services, and operations and engineering, which cover everything from site investigation and design to construction oversight and maintenance. Their extensive experience is underscored by their involvement in high-profile projects, including work with the Environmental Protection Agency on Superfund sites. PWT's mission emphasizes quality, innovation, and sustainability, reflecting their commitment to creating successful partnerships with clients. The firm has maintained a strong performance record, evidenced by high ratings from government clients, which further solidifies its reputation in the environmental consulting sector.


4. Landmark Environmental, Inc.


Landmark Environmental, Inc. is an environmental consulting firm based in Littleton, Colorado, with a focus on providing a comprehensive range of services. Established in 1999, the company specializes in industrial hygiene, environmental compliance, and engineering solutions. Their clientele includes various sectors such as oil and gas, education, and property development, showcasing their ability to address the unique needs of different industries. Landmark's team consists of experienced professionals who conduct thorough assessments and offer tailored solutions to help clients meet regulatory requirements and manage environmental risks effectively. The firm is dedicated to maintaining high standards of safety and quality in all its projects, ensuring that clients receive reliable and innovative support for their environmental challenges. Landmark Environmental's commitment to sustainable practices and client satisfaction further solidifies its position in the environmental consulting industry.


5. Cameron-Cole

  • Website: cameron-cole.com
  • Ownership type: Corporate
  • Headquarters: Boulder, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: September 2021
  • Founded year: 2001
  • Headcount: 51-200
  • LinkedIn: cameron-cole

Cameron-Cole is an environmental consulting firm based in Boulder, Colorado, founded in 2001. The company specializes in providing innovative solutions for environmental risk management, compliance, and remediation. With a workforce of 51-200 employees, Cameron-Cole serves clients across various sectors, including aerospace, manufacturing, and waste management. Their services include assessment, remediation, and monitoring, corporate environmental risk management, greenhouse gas verification, and PFAS regulatory response. The firm is known for its technical expertise and has been involved in significant projects that address complex environmental challenges. As part of ADEC Innovations, Cameron-Cole is committed to advancing sustainable practices and helping organizations navigate the intricacies of environmental regulations.


6. Formation Environmental, LLC


Formation Environmental, LLC is an environmental consulting firm based in Boulder, Colorado, with additional offices in Sacramento, California. Founded in 2009, the company has grown to employ around 84 professionals, offering scientific, technical, and strategic expertise in areas such as water resources, environmental remediation, and energy solutions. Their team is adept at using advanced technologies, including remote sensing and data analytics, to tackle pressing environmental issues. They work with clients across various sectors, including agriculture, public utilities, and natural resources, providing tailored solutions to meet complex challenges. Formation Environmental is recognized for its commitment to integrating regulatory and scientific knowledge to inform water management decisions and support environmental compliance. Their projects often involve collaboration with stakeholders to manage environmental liabilities effectively, showcasing their role as a key player in the environmental consulting field.


7. Air Sciences Inc.

  • Website: airsci.com
  • Ownership type: Corporate
  • Headquarters: Golden, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: February 2011
  • Founded year: 1980
  • Headcount: 11-50
  • LinkedIn: air-sciences-inc.

Air Sciences Inc. is an environmental consulting firm based in Golden, Colorado, with additional offices in Portland, Oregon, and Los Angeles, California. Founded in 1980, the company specializes in air quality compliance and consulting services, assisting both businesses and government entities in managing air pollution and meeting environmental regulations. With a team of scientists and engineers, Air Sciences offers a comprehensive suite of services, including air quality monitoring, modeling, permitting, and compliance support. Their expertise extends to fire science and dust mitigation, reflecting their broad understanding of air quality challenges. The firm has worked on numerous projects across the United States and has international experience in regions such as Latin America and Europe. Air Sciences is also recognized for its collaboration with tribal air quality programs, demonstrating its commitment to community engagement and environmental stewardship.


8. Ecosphere Environmental Services


Ecosphere Environmental Services is a private environmental consulting firm located in Durango, Colorado. Founded in 1982, the company has built a reputation for providing a range of services that include environmental investigation, engineering design, and water management. With a team of 11 to 50 employees, Ecosphere focuses on helping clients navigate complex environmental challenges across various sectors, including energy and manufacturing. Their approach emphasizes sustainable outcomes, reflecting a commitment to environmental stewardship. The firm operates solely within the United States, ensuring a localized understanding of regulatory and environmental issues. Ecosphere's long history in the industry positions it as a knowledgeable player, capable of delivering tailored solutions to meet client needs.


9. Critigen (Now Locana)

  • Website: locana.co
  • Ownership type: Corporate
  • Headquarters: Greenwood, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: January 2024
  • Founded year: 2009
  • Headcount: 201-500
  • LinkedIn: critigen

Critigen, now operating under the name Locana, is a corporate consulting firm based in Greenwood, Colorado. Founded in 2009, the company has grown to employ between 201 and 500 professionals. Locana specializes in a wide array of services, particularly in environmental consulting, engineering, and construction management. Their clientele includes both government agencies and private sector companies, particularly in sectors such as energy and transportation. Locana's services include environmental assessments, permitting, compliance, and sustainability advisory, which are critical for clients navigating complex regulatory landscapes. The firm has also been involved in significant projects, such as renewable energy developments and environmental justice initiatives, showcasing their commitment to addressing pressing environmental challenges. While there is no recent funding reported, Locana continues to operate actively in the consulting space, providing essential services that align with environmental sustainability goals.


10. Pinyon Environmental, Inc.


Pinyon Environmental, Inc. is an environmental consulting firm based in Lakewood, Colorado, established in 1993. With a workforce of approximately 87 employees, Pinyon specializes in a broad spectrum of services that include air quality assessments, biological resource evaluations, and engineering compliance. The firm caters to a diverse clientele, including government agencies and private sector organizations, providing expert guidance to navigate environmental regulations and ensure project compliance. Pinyon emphasizes sustainability and resilience in its consulting practices, reflecting a commitment to addressing contemporary environmental challenges. Their project portfolio spans various sectors, including commercial, industrial, energy, and transportation, showcasing their adaptability and expertise in meeting the unique needs of different clients. Pinyon has not reported any funding, indicating a stable operational model that relies on its consulting services.


11. Spheros Environmental


Spheros Environmental, based in Denver, Colorado, is an environmental consulting firm that specializes in a variety of services aimed at addressing complex environmental challenges. Founded in 2021, the company has quickly made its mark by offering solutions in air quality, water resources, and climate sustainability. Spheros serves a wide array of clients across multiple sectors, including healthcare, transportation, and energy, helping them navigate regulatory requirements and implement sustainable practices. The firm has expanded its capabilities through strategic acquisitions, bringing in expertise from established companies like Sonoma Technology, LRE Water, and HydroGeoLogica. This growth reflects Spheros' ambition to create a unified platform that supports clients throughout the lifecycle of their environmental needs, from regulatory consulting to data services. With a team of skilled professionals, Spheros Environmental is positioned to provide innovative solutions that meet the evolving demands of the industry.


12. Brendle Group

  • Website: brendlegroup.com
  • Ownership type: Private
  • Headquarters: Fort Collins, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1996
  • Headcount: 11-50
  • LinkedIn: brendle-group

Brendle Group, founded in 1996 and based in Fort Collins, Colorado, is a sustainability consulting firm dedicated to solving complex challenges related to energy, water, and climate. With a team of 38 professionals, they provide a range of services including planning, engineering, and implementation of sustainability strategies. The firm has collaborated with over 150 clients across 30 states, completing more than 300 projects. Their work spans various sectors, including community planning, educational institutions, and utility partnerships, showcasing their ability to address localized sustainability needs while contributing to broader environmental goals. Brendle Group emphasizes a hands-on approach, ensuring that project managers are accessible and invested in client success. Their focus on net zero energy and water strategies, climate resiliency, and sustainable design positions them as a significant player in the environmental consulting industry.


13. Alexco Environmental Group


Alexco Environmental Group, based in Centennial, Colorado, is a private environmental consulting firm founded in 2005. The company specializes in providing a range of services including environmental assessments, water management, and remediation. They cater to clients in the mining and industrial sectors, as well as government agencies, helping them navigate regulatory challenges and implement sustainable solutions. Alexco is known for its innovative approach, utilizing advanced technologies to tackle complex environmental issues. Their team comprises experts in various fields, ensuring that they can address the multifaceted nature of environmental management. The firm has been involved in significant projects that demonstrate their capability in managing environmental impacts and promoting responsible resource development. Their commitment to sustainability and practical solutions underscores their relevance in the environmental consulting industry.


14. Critigen, LLC (Main)

  • Website: critigen.com
  • Ownership type: Private Equity
  • Headquarters: Englewood, Colorado, United States (USA)
  • Latest funding: May 2015
  • Founded year: 2009
  • Headcount: 501-1000
  • LinkedIn: critigen-llc-main-

Critigen, LLC, based in Englewood, Colorado, is a private equity-owned firm that specializes in consulting and engineering services. Founded in 2009, Critigen is part of TRC Companies, Inc., which has over 50 years of experience in the industry. The company provides a comprehensive suite of services that includes environmental assessments, permitting, compliance, and sustainability strategies. They work with both public and private clients, addressing complex challenges in sectors such as power and utilities, transportation, and water management. Critigen's expertise in geo-environmental engineering and their commitment to sustainability make them a significant player in the environmental consulting space.


15. Gryphon Environmental

  • Website: gryphon-env.com
  • Ownership type: Private
  • Headquarters: Colorado Springs, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2006
  • Headcount: 11-50
  • LinkedIn: gryphon-environmental

Gryphon Environmental, LLC, founded in 2006 and based in Colorado Springs, Colorado, is an environmental consulting firm that provides specialized consulting and support services primarily to government clients, especially in the military sector. The company offers a range of services, including environmental compliance, facility support, and training, aimed at helping clients meet regulatory requirements while maintaining operational efficiency. Gryphon has built a strong reputation for quality and performance, achieving an exceptional past performance rating on 96 percent of federal prime contracts completed. Their team consists of technical experts with extensive experience in environmental management, planning, and compliance. Gryphon's commitment to innovative solutions and their understanding of military operations further enhance their service offerings. They have successfully managed numerous projects, demonstrating their capability to deliver effective and efficient environmental consulting services.


16. Matrix Design Group, Inc.

  • Website: matrixdesigngroup.com
  • Ownership type: Private
  • Headquarters: Colorado Springs, Colorado, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Founded year: 1999
  • Headcount: 201-500
  • LinkedIn: matrix-design-group

Matrix Design Group, Inc., founded in 1999 and based in Colorado Springs, Colorado, is a private engineering consulting firm with a workforce of approximately 252 employees. The company specializes in a variety of professional services, prominently featuring civil engineering and environmental consulting. Matrix serves a broad spectrum of clients, including government agencies and private sector organizations, helping them tackle infrastructure and planning challenges through innovative and sustainable solutions. Their service offerings include ecological services, environmental services, and water resources management, which are critical components of environmental consulting. The firm has built a reputation for delivering quality projects that emphasize sustainability and resilience, reflecting their commitment to environmental stewardship. With a strong presence in the industry and a focus on impactful projects, Matrix Design Group continues to play a significant role in shaping environmentally responsible practices.


17. Smith Environmental and Engineering


Smith Environmental and Engineering, based in Dacono, Colorado, is a woman-owned consulting and engineering firm that has been operational since 2000. The company specializes in providing comprehensive environmental solutions, focusing on ecological management, hazardous materials, and environmental engineering. They serve a wide range of clients, including municipalities, governmental agencies, developers, and private sector entities, primarily in Colorado and the western United States. With a commitment to responsible environmental stewardship, Smith Environmental emphasizes sustainable project outcomes while ensuring compliance with environmental regulations. Their extensive service offerings include ecological sciences, environmental construction, and public information management, among others. Over the years, they have successfully completed more than 2,300 projects, showcasing their expertise and reliability in the environmental consulting industry.


18. Riverside Technology, inc.

  • Website: riverside.com
  • Ownership type: Corporate
  • Headquarters: Loveland, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: January 2025
  • Founded year: 1985
  • Headcount: 51-200
  • LinkedIn: riverside-technology-inc.

Riverside Technology, inc. is an environmental consulting firm based in Loveland, Colorado, with a workforce of approximately 92 employees. Established in 1985, the company specializes in innovative solutions for environmental data management and decision support. Riverside serves both government agencies and private sector clients, focusing on critical issues related to water, land, and climate. Their expertise includes Earth observations, atmospheric sciences, and climate risk analysis. Riverside has a notable history of collaboration with organizations such as NOAA and NASA, contributing to advancements in environmental intelligence and decision-making technologies. Their commitment to environmental stewardship is evident in their mission to improve lives and livelihoods through the sustainable use of natural resources. Riverside's quality management system is certified to ISO 9001, underscoring their dedication to maintaining high standards in their operations.


19. ERO Resources Corporation

  • Website: eroresources.com
  • Ownership type: Private Equity
  • Headquarters: Lakewood, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: October 2018
  • Founded year: 1981
  • Headcount: 11-50
  • LinkedIn: ero-resources-corporation

ERO Resources Corporation, based in Lakewood, Colorado, is an environmental consulting firm that specializes in natural resource management and environmental assessments. Established in 1981, the company has built a reputation for its technical expertise and regulatory knowledge. ERO provides a range of services, including NEPA compliance, resource planning, and environmental due diligence, catering to both government entities and private sector clients. Their team of multidisciplinary project managers and scientists work collaboratively to tackle project-specific needs, ensuring effective solutions to environmental challenges. ERO's involvement spans various sectors, such as transportation, water utilities, and mining, reflecting their capability to address the unique demands of each industry. The firm is recognized for its commitment to quality and integrity, which has been instrumental in fostering long-term relationships with clients and stakeholders.


20. Ayuda Companies

  • Website: ayudacompanies.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: United States (USA) 96%, India 4%
  • Founded year: 2002
  • Headcount: 11-50
  • LinkedIn: ayuda-companies

Ayuda Companies, established in 2002, is an environmental services and construction management firm based in Denver, Colorado. The company specializes in environmental remediation and consulting, providing essential services to both government agencies and commercial clients. With a team of in-house experts, including environmental engineers, chemists, and geologists, Ayuda is well-prepared to tackle a range of environmental challenges. They have successfully managed over $250 million in contracts, showcasing their operational capacity and industry experience. Ayuda is recognized for its commitment to quality and safety, maintaining a strong safety record through comprehensive training programs. The firm is also certified as a HUBZone, EDWOSB, WOSB, and SBD by the U.S. Small Business Administration, reflecting its dedication to meeting industry standards and supporting small business initiatives.


21. PG Environmental

  • Website: pgenv.com
  • Ownership type: Private
  • Headquarters: Golden, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2005
  • Headcount: 11-50
  • LinkedIn: pg-environmental

PG Environmental, based in Golden, Colorado, is an environmental consulting firm that specializes in water resource management and compliance with environmental regulations. Since its inception in 2005, the company has provided a wide array of services, including NPDES permitting, ecological assessments, and technical assistance to state and federal agencies, local governments, and organizations focused on public health and environmental protection. With a dedicated team of professionals, PG Environmental has been involved in numerous projects that address critical water quality issues and regulatory compliance. Their recent integration as a division within ERG, effective January 1, 2024, signifies a strategic enhancement of their service capabilities and operational efficiency. This partnership allows PG Environmental to leverage additional resources while maintaining their commitment to high-quality, impactful work for clients across the country.


22. CPP Wind Engineering Consultants

  • Website: cppwind.com
  • Ownership type: Private
  • Headquarters: Windsor, Colorado, United States (USA)
  • Employee distribution: United States (USA) 54%, Australia 39%, Malaysia 5%, Other 2%
  • Founded year: 1981
  • Headcount: 51-200
  • LinkedIn: cpp-wind-engineering-consultants

CPP Wind Engineering Consultants, founded in 1981 and based in Windsor, Colorado, is a private consulting firm with a workforce of approximately 175 employees. The company specializes in wind engineering and air quality services, offering a range of assessments that help architects, engineers, and developers design buildings that are not only safe but also efficient and comfortable for occupants. Their services include evaluating wind loads, analyzing air quality, and ensuring environmental comfort in both indoor and outdoor settings. CPP Wind has established itself as a significant player in the industry, having pioneered wind engineering services in the U.S. and developed methodologies that are now industry standards. Their expertise extends globally, with operations in various countries including Australia, Malaysia, and several locations in the U.S. They also engage in forensic analysis related to wind impacts and air quality issues, further solidifying their role in environmental consulting.



Environmental Consulting Insights: Key Companies in Colorado


CompanyHeadquarterSizeFoundedOwnership
Integral Consulting Inc.Boulder, Colorado, United States (USA)201-5002002Private
Ensero SolutionsFort Collins, Colorado, United States (USA)51-2001995Private
Pacific Western TechnologiesWheat Ridge, Colorado, United States (USA)11-501987Private
Landmark Environmental, Inc.Littleton, Colorado, United States (USA)11-501999Private
Cameron-ColeBoulder, Colorado, United States (USA)51-2002001Corporate
Formation Environmental, LLCBoulder, Colorado, United States (USA)51-2002009Private
Air Sciences Inc.Golden, Colorado, United States (USA)11-501980Corporate
Ecosphere Environmental ServicesDurango, Colorado, United States (USA)11-501982Private
Critigen (Now Locana)Greenwood, Colorado, United States (USA)201-5002009Corporate
Pinyon Environmental, Inc.Lakewood, Colorado, United States (USA)51-2001993Private
Spheros EnvironmentalDenver, Colorado, United States (USA)51-2002021Private
Brendle GroupFort Collins, Colorado, United States (USA)11-501996Private
Alexco Environmental GroupCentennial, Colorado, United States (USA)51-2002005Private
Critigen, LLC (Main)Englewood, Colorado, United States (USA)501-10002009Private Equity
Gryphon EnvironmentalColorado Springs, Colorado, United States (USA)11-502006Private
Matrix Design Group, Inc.Colorado Springs, Colorado, United States (USA)201-5001999Private
Smith Environmental and EngineeringDacono, Colorado, United States (USA)11-502000Private
Riverside Technology, inc.Loveland, Colorado, United States (USA)51-2001985Corporate
ERO Resources CorporationLakewood, Colorado, United States (USA)11-501981Private Equity
Ayuda CompaniesDenver, Colorado, United States (USA)11-502002Private
PG EnvironmentalGolden, Colorado, United States (USA)11-502005Private
CPP Wind Engineering ConsultantsWindsor, Colorado, United States (USA)51-2001981Private


Want to Find More Environmental Consulting Companies?

If you want to find more companies that offer services like risk assessments, remediation, and compliance support 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:

  • Detailed Ownership: Who owns the company? Is it a public or private company? What is the ownership structure?
  • Contact data: Who are the founders and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!