Company lists · Data refreshed October 2026

Top 25 Greenhouse energy efficiency consultants worldwide

Name: Greenhouse energy efficiency consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 4,416 companies tracked

RevenueBase identified 4,416 company matches for greenhouse energy efficiency consultants worldwide as of October 2026 and tracks 32,169 professional contacts across them, including 9,934 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for greenhouse energy efficiency consultants worldwide, 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 October 13, 2026. Country and city lists for greenhouse energy efficiency consultants follow the table.

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 Oct 13, 2026 How this list was built

4,416Companies

32,169Contacts tracked

9,934Verified emails

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The 25 largest greenhouse energy efficiency consultants worldwide

Ranked by team size

Top 25 of 4,416 company matches for greenhouse energy efficiency consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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	Clearesult	Exact match	Austin, TX, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,206 contacts →
	Exact match “CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	Homeworks Energy, INC	Exact match	Medford, MA, United StatesHQ recorded Oct 13, 2026	201-500	369 contacts →
	Exact match “At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	NUS Consulting Group	Exact match	Park Ridge, NJ, United StatesHQ recorded Oct 13, 2026	201-500	360 contacts →
	Exact match “National Utility Service, Inc.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	CPW	Exact match	Birmingham, United KingdomHQ recorded Oct 13, 2026	201-500	336 contacts →
	Exact match “Climate change is without a doubt the greatest challenge we face in these times.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	Cascade Energy	Exact match	Portland, OR, United StatesHQ recorded Oct 13, 2026	201-500	301 contacts →
	Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	EFFY	Exact match	Paris, FranceHQ recorded Oct 13, 2026	201-500	293 contacts →
	Exact match “Effy, spécialiste de l’efficience énergétique.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	PEG	Exact match	Fairfax, VA, United StatesHQ recorded Oct 13, 2026	201-500	216 contacts →
	Exact match “PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	Dalkia Energy Solutions	Exact match	Beverly, MA, United StatesHQ recorded Oct 13, 2026	201-500	213 contacts →
	Exact match “Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Greenfoot Energy Solutions	Exact match	Moncton, NB, CanadaHQ recorded Oct 13, 2026	501-1,000	206 contacts →
	Exact match “Greenfoot Energy Solutions was established in 2014 by a group of energy experts dedicated to improving energy efficiency in Atlantic Canada.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	D2o	Exact match	Jaipur, IndiaHQ recorded Oct 13, 2026	51-200	204 contacts →
	Exact match “Design2Occupancy Services LLP (D2O) is a leading organization providing a platform and solutions in Energy Efficiency Analysis and Energy Code Compliances, Climate Change…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Bright Power	Exact match	New York, NY, United StatesHQ recorded Oct 13, 2026	51-200	201 contacts →
	Exact match “Bright Power is a leading provider of energy efficiency and decarbonization solutions for the real estate industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	ES	Exact match	Giza, EgyptHQ recorded Oct 13, 2026	n/a	186 contacts →
	Exact match “Engineering Solutions provides LEED, EDGE, WELL, Mostadam & Sustainable Buildings Consulting and Energy Efficiency Solutions for residential, commercial, administrative and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	Changeworks	Exact match	Edinburgh, United KingdomHQ recorded Oct 13, 2026	51-200	173 contacts →
	Exact match “Changeworks is a leading organisation dedicated to decarbonising Scotland’s homes and a just transition to net zero.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14	Lead Consultancy And Engineering Services India PVT LTD	Exact match	Bangalore, IndiaHQ recorded Oct 13, 2026	51-200	170 contacts →
	Exact match “LEAD Consultancy & Engineering Services (India) Private Limited (LCES) has been started by a team of qualified professionals with vast experience and expertise in the areas of…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	STOK	Exact match	San Francisco, CA, United StatesHQ recorded Oct 13, 2026	51-200	153 contacts →
	Exact match “Stok leads organizations to decarbonize now.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	accenta.ai	Exact match	Boulogne-billancourt, FranceHQ recorded Oct 13, 2026	51-200	142 contacts →
	Exact match “Accenta aide les acteurs de l’immobilier à maîtriser leurs charges, valoriser leurs actifs et répondre aux exigences réglementaires, grâce à la performance énergie-carbone.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Indoor Energy	Exact match	Stockholm, SwedenHQ recorded Oct 13, 2026	201-500	132 contacts →
	Exact match “Våra kunder har de energieffektivaste fastigheterna!” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	Melink Corporation	Exact match	Milford, OH, United StatesHQ recorded Oct 13, 2026	51-200	131 contacts →
	Exact match “We are a global provider of energy efficiency solutions for commercial buildings with five business offerings: HVAC Testing, Adjusting & Balancing, Intelli-Hood® Kitchen…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	Synergy Companies	Exact match	Fresno, CA, United StatesHQ recorded Oct 13, 2026	501-1,000	129 contacts →
	Exact match “Synergy Companies is the largest energy services companies in California and provides a comprehensive approach to energy efficiency and environmental solutions in both the…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Longevity Partners	Exact match	London, United KingdomHQ recorded Oct 13, 2026	51-200	128 contacts →
	Exact match “Longevity Partners is a multidisciplinary energy and sustainability consultancy.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Michaels Energy- An Inc. 5000 Company	Exact match	La Crosse, WI, United StatesHQ recorded Oct 13, 2026	51-200	123 contacts →
	Exact match “Michaels Energy is a veteran-owned energy consulting firm that exists to help businesses minimize waste and maximize value.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	PKV	Exact match	Brno, Czech RepublicHQ recorded Oct 13, 2026	51-200	120 contacts →
	Exact match “We create a sustainable future.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	Greenfinch Real Estate Engineers & Consultants	Exact match	Jaipur, IndiaHQ recorded Oct 13, 2026	501-1,000	118 contacts →
	Exact match “Greenfinch Real Estate Engineers and Consultants Pvt.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	TROO	Exact match	Doxford International Business Park, United KingdomHQ recorded Oct 13, 2026	51-200	112 contacts →
	Exact match “Managing business energy can be overwhelming.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Greenergy	Exact match	Castellaneta, ItalyHQ recorded Oct 13, 2026	51-200	109 contacts →
	Exact match “Non siamo tecnici, ma progettisti consapevoli di essere parte del cambiamento.” Recorded in the RevenueBase company graph · Oct 13, 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 “greenhouse energy efficiency consultants”. 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 4,416 greenhouse energy efficiency consultants worldwide

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Greenhouse energy efficiency consultants worldwide at a glance

As of Oct 13, 2026

30.9%Verified-email coverage

7.3Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · London

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

2,947

11-50

1,172

51-200

212

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for greenhouse energy efficiency consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “greenhouse energy efficiency consultants” 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. 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 9,934 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 October 13, 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.

Greenhouse energy efficiency consultants by location

20 lists · largest first

Every Greenhouse energy efficiency consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “greenhouse energy efficiency consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many greenhouse energy efficiency consultants are there worldwide?

RevenueBase identified 4,416 company matches for greenhouse energy efficiency consultants worldwide as of October 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?

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

Which country has the most greenhouse energy efficiency consultants?

The United States leads with 732 companies, followed by the United Kingdom (361) and Germany (327). Every greenhouse energy efficiency consultants list by country and city is linked on this page.

Which city has the most greenhouse energy efficiency consultants?

London leads with 51 company records, followed by Paris (41) and Madrid (33).

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 9,934 professional contacts with verified work emails tracked across these 4,416 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 October 13, 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.