Company lists · Data refreshed September 2026

Top 25 Sustainability and climate change consulting firms based in Houston, United States

Name: Sustainability and climate change consulting firms based in Houston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 79 companies tracked

RevenueBase identified 79 company matches for sustainability and climate change consulting firms associated with Houston, United States as of September 2026 and tracks 877 professional contacts across them, including 437 with verified work emails. Across the United States, New York is the largest hub for this category (198 companies); Houston follows with 79.

This list covers company matches for sustainability and climate change consulting firms associated with Houston, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built

79Companies

877Contacts tracked

437Verified emails

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The 25 largest sustainability and climate change consulting firms based in Houston, United States

Ranked by team size

Top 25 of 79 company matches for sustainability and climate change consulting firms based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Anew Climate	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	201-500	200 contacts →
	Exact match “Anew Climate is a global leader of diverse climate solutions, bringing innovative products and services to the public and private sectors to help reduce or offset their carbon…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Climeco	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	51-200	96 contacts →
	Exact match “ClimeCo is an award-winning leader in decarbonization, empowering global organizations with customized sustainability pathways.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Aarc Environmental	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	51-200	63 contacts →
	Exact match “As a leader in the environmental compliance services industry, AARC does more than just meeting the needs of clients today.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Sage ATC Environmental Consulting	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	201-500	63 contacts →
	Exact match “Sage ATC Environmental Consulting is now Atlas.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Spirit Environmental Montrose Environmental Group	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	51-200	54 contacts →
	Exact match “In July of 2024, Spirit was acquired by Onterris.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Riner Engineering, Inc., A UES Company	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	51-200	47 contacts →
	Exact match “Riner Engineering became part of the UES family of companies in June 2023, combining our local expertise with UES’s nationwide presence and resources.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	HSE International LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	11-50	23 contacts →
	Exact match “HSE International provides environmental, social, safety and strategic advisory services to the energy, infrastructure, extractive, financial and government sectors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Acorn International, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	11-50	22 contacts →
	Exact match “Acorn International, LLC delivers environmental and social risk management consulting services to international industry and investors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	ERC Environmental & Construction Services	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	11-50	18 contacts →
	Exact match “ERC is a Professional Services Firm in Environmental Consulting and Construction.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Mcbride Sustainability	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	11-50	17 contacts →
	Exact match “McBride SustainAbility is the leader consulting company with more than fifteen years of experience in sustainability, social responsibility, public relations as well as internal…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	SKA Consulting, L.P	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	11-50	13 contacts →
	Exact match “SKA Consulting is a professional environmental engineering and consulting firm providing timely, innovative solutions to today’s environmental challenges.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Bocci Engineering	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1-10	13 contacts →
	Exact match “Bocci is an energy and environmental engineering consultancy based in Houston, Texas providing high quality, innovative and cost-effective solutions that significantly reduce or…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Devaltec	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1-10	9 contacts →
	Exact match “We help companies and their investors succeed in the Energy Transition We offer integrated support in Consulting and Project Development in Sustainable Energy” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Cypress Environmental Consulting	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1-10	8 contacts →
	Exact match “Cypress Environmental Consulting LLC (CEC) provides a broad range of environmental services including planning, site assessment, and permitting with a focus on regulatory…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Creatum Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	51-200	7 contacts →
	Exact match “Our expertise extends to data center, power generation, solar, wind, oil and gas, and other energy sources, providing clients with tailored strategies for a cleaner and more…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Corrigan Consulting INC	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	11-50	7 contacts →
	Exact match “Since 1986, CCI has been providing specialized services in hazardous waste compliance, permitting, site investigations, and closures; underground storage tank removals and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Laveer Logix	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1-10	6 contacts →
	Exact match “GMC Consultants, LLC is now doing business as Laveer Logix!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	ESG Lynk, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1-10	6 contacts →
	Exact match “ESG Lynk was founded to bring the discipline, rigor, and accountability of financial reporting into the rapidly evolving world of sustainability and ESG.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Aurivos	Exact match	Houston, United StatesHQ recorded Sep 21, 2026	11-50	5 contacts →
	Exact match “Energy is one of the fundamental forces behind human progress and at Aurivos we are passionate about building and helping companies to deliver affordable energy in a sustainable…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	SWD Futures	Exact match	Houston, United StatesHQ recorded Sep 21, 2026	1-10	5 contacts →
	Exact match “Sustainable Transition: Advisory, Development, Investment Management SWD is an advisory firm powered by an extensive team of experts.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Emissions Experts INC	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1-10	4 contacts →
	Exact match “Emissions Experts Inc is a leading brokerage and consulting firm specializing in environmental credit markets.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Environeer Engineering Consulting	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “Environeer is a veteran-owned environmental and geoscientific engineering consulting firm specializing in environmental permitting and compliance programs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Envirowave Enterprise Solutions LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “We dedicate all of our business and its commitment to sustainable development, to our clients and to making their businesses stronger on all aspects, from strategy and development…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	IVY Energy, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	11-50	2 contacts →
	Exact match “IVY Energy is an independent energy management, procurement and sustainability firm helping companies implement strategies to control and reduce energy costs, increase…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Mase Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “Strategic Insights, Profitable Outcomes for Energy (O&G) and Sustainability (CCS) Businesses We guide energy and carbon storage companies to increase profitability by providing…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “sustainability and climate change consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 79 sustainability and climate change consulting firms based in Houston, United States

See the full list, filter by size, metro and specialty, and access 437 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainability and climate change consulting firms based in Houston, United States at a glance

As of Sep 21, 2026

49.8%Verified-email coverage

11.1Average contacts per company

1-10Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 79 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Houston, United States whose business descriptions match “sustainability and climate change consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 437 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Sustainability and climate change consulting firms by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “sustainability and climate change consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainability and climate change consulting firms are there based in Houston, United States?

RevenueBase identified 79 company matches for sustainability and climate change consulting firms associated with Houston, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Anew Climate tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most sustainability and climate change consulting firms?

New York leads the United States with 198 company records, followed by Houston (79) and Washington (77).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 437 professional contacts with verified work emails tracked across these 79 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.