Company lists · Data refreshed November 2026

Top 25 Home energy efficiency consultants worldwide

RevenueBase identified 5,563 company matches for home energy efficiency consultants worldwide as of November 2026 and tracks 34,143 professional contacts across them, including 8,737 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for home 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 November 6, 2026. Country and city lists for home 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 Nov 6, 2026 How this list was built
5,563Companies
34,143Contacts tracked
8,737Verified emails
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The 25 largest home energy efficiency consultants worldwide

Ranked by team size
Top 25 of 5,563 company matches for home energy efficiency consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, MN, United StatesHQ recorded Nov 6, 2026501-1,000403 contacts →

Exact match

“ARCXIS (Formerly DPIS Builder Services), is the largest provider of HERS inspections, ENERGY STAR ratings, engineering and design, construction quality assurance and other builder…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchVilleneuve-d’ascq, FranceHQ recorded Nov 6, 2026501-1,000384 contacts →

Exact match

“Kbane est la 1ère enseigne en France, dédiée à la maison performante.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMedford, MA, United StatesHQ recorded Nov 6, 2026201-500381 contacts →

Exact match

“At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Nov 6, 2026201-500311 contacts →

Exact match

“Effy, spécialiste de l’efficience énergétique.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchFort Washington, NJ, United StatesHQ recorded Nov 6, 2026201-500267 contacts →

Exact match

“CMC Energy Services is a woman-owned full-service energy efficiency company with nearly 50 years of experience delivering value-based energy conservation services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFairfax, VA, United StatesHQ recorded Nov 6, 2026201-500223 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMoncton, BC, CanadaHQ recorded Nov 6, 2026501-1,000218 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSolaize, FranceHQ recorded Nov 6, 2026n/a217 contacts →

Exact match

“Eurocombles, isoler vos combles, garages et caves à seulement 1€!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200203 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEdinburgh, United KingdomHQ recorded Nov 6, 202651-200179 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMarseille, FranceHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“Implantée à Marseille depuis 2009, SONERGIA s’inscrit dans une démarche de développement durable en accompagnant les fournisseurs d’énergie, appelés obligés, dans l’atteinte des…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCranston, RI, United StatesHQ recorded Nov 6, 2026201-500149 contacts →

Exact match

“RISE is a pioneer in the delivery of turnkey energy-efficiency services for residential, commercial and industrial facilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchParis, FranceHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“Sénova est "le partenaire de la rénovation énergétique de votre habitat".”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMilford, OH, United StatesHQ recorded Nov 6, 202651-200134 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchFresno, CA, United StatesHQ recorded Nov 6, 2026501-1,000134 contacts →

Exact match

“Synergy Companies is California's largest energy efficiency companies, providing comprehensive air conditioning, heating, water heating, energy efficiency, and environmental…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLa Crosse, IA, United StatesHQ recorded Nov 6, 202651-200129 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 · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBrno, Czech RepublicHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“We create a sustainable future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCastellaneta, ItalyHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“Non siamo tecnici, ma progettisti consapevoli di essere parte del cambiamento.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDoxford International Business Park, United KingdomHQ recorded Nov 6, 202651-200115 contacts →

Exact match

“Managing business energy can be overwhelming.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLynnwood, WA, United StatesHQ recorded Nov 6, 2026201-500110 contacts →

Exact match

“There isn't one way to do things, but there is a right way.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Nov 6, 202651-200110 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBlackwood, United KingdomHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Established in 2008 to carry out EPCs, our services expanded from 2015 to include all residential property services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCardiff, United KingdomHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“At City Energy Network, we help households across the UK improve energy efficiency, cut bills, and reduce carbon emissions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPantin, FranceHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Depuis 2008, Eco Environnement accompagne les professionnels dans l’optimisation et la performance énergétique de leurs bâtiments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMexico City, MexicoHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Energy efficiency consultants and tech development for enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 5,563 home energy efficiency consultants worldwide

See the full list, filter by size, metro and specialty, and access 8,737 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Home energy efficiency consultants worldwide at a glance

As of Nov 6, 2026
25.6%Verified-email coverage
6.1Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,702
11-50
1,447
51-200
275
201-500
46
501-1,000
15
1,001-5,000
4
5,001-10,000
3
10001+
2

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 home energy efficiency consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “home 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 8,737 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 November 6, 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.

Home energy efficiency consultants by location

19 lists · largest first

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

How many home energy efficiency consultants are there worldwide?

RevenueBase identified 5,563 company matches for home energy efficiency consultants worldwide as of November 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?

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

Which country has the most home energy efficiency consultants?

The United States leads with 1,186 companies, followed by the United Kingdom (586) and France (497). Every home energy efficiency consultants list by country and city is linked on this page.

Which city has the most home energy efficiency consultants?

London leads with 74 company records, followed by Paris (58) and Madrid (47).

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 8,737 professional contacts with verified work emails tracked across these 5,563 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 November 6, 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.