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101 Best Washington Environmental Consulting Companies and Startups

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This article showcases our top picks for the best Washington based Environmental Consulting companies. These startups and companies are taking a variety of approaches to innovating the Environmental Consulting industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

Top Washington Environmental Consulting Startups

Data sourced from Crunchbase and SemRush.

Integral Consulting Inc.

Integral Consulting Inc.

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Integral Consulting Inc. is a company that provides Environmental Consulting, engineering services and many other services.

Sironix Renewables

Sironix Renewables

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Sironix Renewables is a seed-stage company developing environmentally friendly and safe chemicals.

Sironix Renewables

Friedman & Bruya

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Friedman & Bruya is an analytical laboratory specializing in organic and inorganic analyses of soil, water, product, and vapor samples.

Sironix Renewables

Pacific NorthWest Economic Region

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Pacific NorthWest Economic Region is to increase the economic well-being and quality of life for all citizens of the region.

Sironix Renewables

Technosylva

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Technosylva provides GIS-based solutions for wildland fire protection planning, analysis & modeling, and operational response.

Sironix Renewables

EvoEco

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EvoEco is a developer of a waste management platform designed to simplify the process of managing waste.

Sironix Renewables

Anchor QEA

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Anchor QEA is a consulting firm that provides a comprehensive range of science and engineering services to the public and private sectors.

Sironix Renewables

Trash Backwards

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To help citizens and organizations get closer to zero waste.

Sironix Renewables

Membrane Solutions

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Membrane Solutions are the manufactures of RNAse & DNAse free surfaces of syringe filters that are durable, break-resistant & lightweight.

Sironix Renewables

EarthViews

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Simplify and Enhance digital access to riverine, coastal and shoreline information.

Sironix Renewables

Banyu Carbon

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Banyu Carbon focuses on developing a novel photocatalytic approach to marine carbon dioxide removal.

Sironix Renewables

Cascade Environmental

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Cascade Drilling, is a full service company that specializes in drilling for environmental, geotechnical, mining and construction projects.

Sironix Renewables

Aspect Consulting

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Aspect Consulting focus on the balanced use, practical restoration, and sustainable development of earth + water resources.

Sironix Renewables

WaterTectonics

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WaterTectonics is a design and manufacture water treatment solutions company located in Everett.

Sironix Renewables

BioEconomy Solutions

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BioEconomy Solutions develop eco-friendly agricultural crops for feed, food, consumer products & biofuels.

Sironix Renewables

Signature Landscape Services

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Signature Landscape Services, Inc. is a full service commercial landscape management company.

Sironix Renewables

Jefferson Land Trust

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Jefferson Land Trust is a conservation organization that enables the community with the tools to preserve open spaces, lands and habitats.

Sironix Renewables

Consortium for Ocean Leadership

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Consortium for Ocean Leadership is a nonprofit organization representing public and private ocean research education institutions.

Sironix Renewables

Alaskan Observers

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Alaskan Observers, Inc. (AOI) recruits biologists year-round to work as Domestic Groundfish Observers in Alaska.

Sironix Renewables

Engineered Compost Systems

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ECS develops and manufactures large-scale composting systems and provides a broad range of technical services to the composting industry.

Sironix Renewables

Anderson Environmental Contracting

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Anderson Environmental Contracting offers environmental cleanup and conservation with drilling, remediation, and construction projects.

Sironix Renewables

Perteet

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Perteet Inc. is a 100% employee-owned firm that provides engineering consulting services throughout Puget Sound.

Sironix Renewables

Earthdefine

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Earthdefine is a consumable geospatial information products for numerous applications in the private and government sectors company.

Sironix Renewables

Windward Environmental

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Windward Environmental is a consulting firm that specializes in resolving its clients’ environmental problems.

Sironix Renewables

Food Protection Services

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Food Protection Services is a food safety pest management, fumigation company providing solutions in food safety and fumigation.

Sironix Renewables

Mangrove Action Project

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Mangrove Action Project is an environmental conservation organisation focusing on conserving, preserving & restoring mangrove forests.

Sironix Renewables

Analytical Resources

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Analytical Resources has been a pioneer in the environmental testing industry, with expertise in a wide range of analyses.

Sironix Renewables

O’Neill Service Group

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O’Neill Service Group provides environmental and construction quality assurance solutions to infrastructure and commercial projects.

Sironix Renewables

Whidbey Camano Land Trust

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Whidbey Camano Land Trust is a non-profit organization that involves in protecting and restoring natural habitats & resources in the region.

Sironix Renewables

Environmental Assessment Service

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Environmental Assessment Services is a scientific environmental characterization company.

Sironix Renewables

Ecological Design Network

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Ecological Design Network offers regenerative ecosystem design services in design and development for agricultural organizations.

Sironix Renewables

Washington River Protection Solutions

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Washington River Protection Solutions manage the challenging radioactive waste cleanup projects in the country.

Sironix Renewables

Washington Environmental Council

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Washington Environmental Council is a non profit organisation that specializes in protect, restore, and sustain Washington’s environment.

Sironix Renewables

EarthCorps

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EarthCorps is a nonprofit organization that targets to restore the health of our environment by a community-based approach.

Sironix Renewables

Pacific Rim Environmental

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Pacific Rim Environmental provides environmental consulting and laboratory services.

Sironix Renewables

Forterra

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Forterra supports the Pacific Northwest and its wild mountains, rich ecosystems, farmland, small towns, and thriving cities.

Sironix Renewables

Bio Clean

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Bio Clean specializes in incident clean-up and janitorial services.

Sironix Renewables

Environmental Partners, Inc.

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EPI provides client-centered solutions using a start-to-finish process that combines technical, regulatory, economic, and risk management.

Sironix Renewables

Mount St. Helens Institute

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Mount St. Helens Institute is a nonprofit organization that offers comprehensive educational, exploration programs and field seminars.

Sironix Renewables

Silvaseed Company

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Silvaseed Company provides forestry seed collection and seedling supply business.

Sironix Renewables

Peninsula Environmental

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Peninsula Environmental is an environmental services company that provides consulting, design, and contractor services.

Sironix Renewables

Land Profile

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Land Profile provides soil science and environmental consulting services.

Sironix Renewables

Ecological Land Services

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Ecological Land Services is an environmental consulting and permitting services provider company.

Sironix Renewables

WFFE

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WFFE is a nonprofit organization that supports various programs, voices & skills on raising awareness about climate & environmental issues.

Sironix Renewables

Freestone Environmental Services

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Freestone Environmental Services is a multi-discipline environmental and water resources consulting firm based in Richland, Wash.

Sironix Renewables

The Riley Group

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The Riley Group specializes in geotechnical engineering, hydrogeology, project management, and environmental consulting services.

Sironix Renewables

Ehs-International

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Ehs-International is an environmental consulting and industrial hygiene services.

Sironix Renewables

Got Green

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Got Green is a environmental service.

Sironix Renewables

Silver Springs Organics

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Silver Springs Organics is dedicated to: Improving our environment through waste reduction and recycling by diverting organic wastes.

Sironix Renewables

Associated Earth Sciences

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Associated Earth Sciences provides geotechnical engineering, environmental, hydrogeology and consulting services.

Sironix Renewables

AmTest

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AmTest is a laboratory that provides consumer services and testing services.

Sironix Renewables

OnSite Environmental

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OnSite Environmental is an environmental laboratory.

Sironix Renewables

Robert E. Lee & Associates

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Robert E. Lee & Associates is a consulting firm that offers civil, environmental engineering, surveying and natural resources services.

Sironix Renewables

EnviroGuard

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EnviroGuard is an innovative and environmentally sound disposal method of wastewater and concrete slurry.

Sironix Renewables

PNW Metal Recycling

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PNW Metal Recycling is a metal and steel company, that specializes in scrap metal recycling, serving businesses and homeowners.

Sironix Renewables

Geotech Consultants

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Geotech Consultants is a full-service, earth sciences company which provides consulting services for geographical area.

Sironix Renewables

Tidewater Environmental Services

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Tidewater Environmental Services offers a range of cleaning services (hazardous and non-hazardous) for marine and industrial communities.

Sironix Renewables

Grant County Economic Development Council

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Grant County Economic Development Council provides business development, infrastructure improvement and workforce development services.

Sironix Renewables

The SeaDoc Society

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The SeaDoc Society conducts and sponsors vital scientific research in the inland waters.

Sironix Renewables

Earth Economics

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Earth Economics identifies and quantifies those benefits to ensure they are included in the decision-making process at all levels.

Sironix Renewables

Nooksack Salmon Enhancement Association

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NSEA is a non-profit organization that seeks to preserve and restore the wild salmon population.

Sironix Renewables

Kane Environmental

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Kane Environmental is an environmental consultant that provides environmental investigation and remediation services.

Sironix Renewables

Russell & Associates

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Russell & Associates is an environmental consulting firm.

Sironix Renewables

HydroCon Environmental

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HydroCon Environmental offers feasibility studies, UST decommissioning, CAD drafting, and ecological risk assessment services.

Sironix Renewables

Tokusaku Consulting

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TokuSaku Consulting is a management consulting company develop customized solutions with innovative approaches.

Sironix Renewables

Hamer Environmental

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Hamer Environmental is an consulting firm that provides wetland, aquatic, fisheries, energy, and biological services to industries.

Sironix Renewables

BirdBuffer

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BirdBuffer is a environmental services company focused on solving pest bird problems.

Sironix Renewables

Ross Strategic

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Ross Strategic offers research and analysis strategies, collaborative processes, information management, evaluation, and learning services.

Sironix Renewables

Envirosound Consulting

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EnviroSound Consulting is a geotechnical and environmental consulting firm which has been in operation since 2007 in Silverdale Washington.

Sironix Renewables

Evans-Hamilton, Inc.

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Evans-Hamilton, Inc provides oceanographic consulting and marine environment measurement services, as well as carrying out environmental.

Sironix Renewables

Smultea Sciences

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Smultea Sciences provides wildlife mitigation, environmental impact studies, compliance, regulatory permitting, and monitoring services.

Sironix Renewables

Zipper Geo Associates LLC

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Zipper Geo Associates LLC is a geotechnical and environmental consulting firm that serves private and public sectors, clients.

Sironix Renewables

RE Sources

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RE Sources protects the health of NW Washington’s communities and ecosystems through science, education, advocacy and action.

Sironix Renewables

Cosmopolitan Engineering Group

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Cosmopolitan Engineering Group provides consulting civil engineering, environmental engineering, and construction management services.

Sironix Renewables

GN Northern

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GN Northern is a multi-disciplinary engineering, environmental consulting, and construction materials testing firm.

Sironix Renewables

Praetorian Power Protection LLC

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Praetorian Power Protection LLC develops a group of professionals to deliver high-quality results for the service and maintenance needs.

Sironix Renewables

48 North Solutions

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48 North Solutions expertise in aquatic natural resources, regulatory compliance and natural resource management for various projects.

Sironix Renewables

Palouse Conservation District

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Palouse Conservation District specializes in fostering the voluntary conservation of natural resources to support the local communities.

Sironix Renewables

Pacific Biodiversity Institute

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Pacific Biodiversity Institute offers surveys and advanced spatial analysis of landscapes, biodiversity, wildlife, and endangered species.

Sironix Renewables

EcoChem

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EcoChem is an environmental chemistry consulting company.

Sironix Renewables

Polaris Applied Sciences

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Polaris Applied Sciences is a restoration and training service company that offers spill response, NRDA, and coral grounding assessment.

Sironix Renewables

Robinson Noble

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Robinson Noble provides hydrogeological, geotechnical, and environmental consulting services.

Sironix Renewables

Seattle Tree Preservation

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Seattle Tree Preservation provides a full range of tree removal, cabling, bracing, stump grinding, crown cleaning & restorations services.

Sironix Renewables

Lake Tapps Capital

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Lake Tapps Capital develops an automation technology that improves freshwater ecosystems.

Sironix Renewables

Grette Associates

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Grette Associates provides environmental consulting services.

Sironix Renewables

Washington Department of Fish and Wildlife

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Washington Department of Fish and Wildlife is preserving, protecting & perpetuating the state’s fish, wildlife, and ecosystems.

Sironix Renewables

Osborn Pacific Group

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Osborn pacific group provides landscape architecture, ecological restoration, and compliance services.

Sironix Renewables

HC Info

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HC Info assists in water management by providing consulting guidance, advice, and training services via software.

Sironix Renewables

Floyd|Snider

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Floyd|Snider provides engineering, project management, and scientific expertise for environmental and business solutions.

Sironix Renewables

North Cascade Institute

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North Cascade Institute is a non-profit organization that focuses on environmental education, recreation, conservation, and wellness.

Sironix Renewables

Greenbelt Consulting

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Greenbelt Consulting provides assessment, mitigation, forest management plans, property evaluations, and environmental consulting services.

Sironix Renewables

Pacific Shellfish Institute

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Pacific Shellfish Institute conducts research on shellfish and the ecosystem and provides mapping, permitting, and assessment services.

Sironix Renewables

The Wilderness Land Trust

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The WLT is a global, non-profit conservation agency committed to the federal wilderness system’s purchase of land to ensure its protection.

Sironix Renewables

SMRU Consulting

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SMRU Consulting is a marine consulting firm that offers expert advice and comprehensive research of the marine industry.

Sironix Renewables

SECOR International

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SECOR International provides client-focused management consulting services in North America and internationally.

Sironix Renewables

Oceans Initiative

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Oceans Initiative is an organization that protects marine life and the ecosystems.

Sironix Renewables

Iron Sight Executive Search

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Iron Sight Executive Search is a boutique executive search firm.

Sironix Renewables

The Center for Environmental Law and Policy

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The Center for Environmental Law and Policy is a statewide organization whose mission is to protect, preserve and restore.

Sironix Renewables

Sunrise Pest Management

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Sunrise Pest Management provides pest control services.

Sironix Renewables

Mason County Garbage

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Mason County Garbage is a waste management company that offers waste collection, transfer, disposal and recycling services.

Sironix Renewables

Friends of Willapa National Wildlife Refuge

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Friends of Willapa National Wildlife Refuge supports refuge programs and enhancing awareness of wildlife protection.

Written by Mark Smith

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