Company lists · Data refreshed September 2026

Top 25 Green building consulting firms based in Los Angeles, United States

Name: Green building consulting firms based in Los Angeles, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 86 companies tracked

RevenueBase identified 86 green building consulting firms headquartered in Los Angeles, United States as of September 2026 and tracks 1,202 professional contacts across them, including 588 with verified work emails. Across the United States, New York is the largest hub for this category (261 companies); Los Angeles has 86.

This list covers green building consulting firms headquartered in Los Angeles, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

86Companies

1,202Contacts tracked

588Verified emails

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The 25 largest green building consulting firms based in Los Angeles, United States

Ranked by team size

Top 25 of 86 green building consulting firms based in Los Angeles, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to green building consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Psomas	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	501-1,000	748 contacts →
	Indirect evidence “Our award-winning projects are produced through innovation, creativity, and technical expertise.” Source: RevenueBase Database · checked Sep 28, 2026
2	Home Front Build	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	75 contacts →
	Partial evidence “Home Front is a design/build construction company specializing in green construction and preservation.” Source: RevenueBase Database · checked Sep 28, 2026
3	Partner Energy	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	51-200	57 contacts →
	Indirect evidence “Partner Energy, Inc.” Source: RevenueBase Database · checked Sep 28, 2026
4	Verdical Group	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	29 contacts →
	Partial evidence “Established in 2012, Verdical Group has developed a nationally known brand and industry leading reputation as a sustainability consulting firm focused on decarbonizing the built…” Source: RevenueBase Database · checked Sep 28, 2026
5	Impact Sciences	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	18 contacts →
	Indirect evidence “Informing communities and creating a clear path to understanding are at the core of what we do at Impact Sciences.” Source: RevenueBase Database · checked Sep 28, 2026
6	Leading Edge	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	17 contacts →
	Indirect evidence “Leading Edge is a California based sustainability consultancy.” Source: RevenueBase Database · checked Sep 28, 2026
7	SRK Architects, INC	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	17 contacts →
	Indirect evidence “Mission: Our single professional purpose is to deliver design excellence, every day for every project, sourced through strong, collaborative relationships with our clients.” Source: RevenueBase Database · checked Sep 28, 2026
8	Large Architecture	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	13 contacts →
	Indirect evidence “With a focus on creativity, environmentally sensitive design, proactive project management and sound technical skills, LARGE architecture (LRG) delivers unique design solutions…” Source: RevenueBase Database · checked Sep 28, 2026
9	Ecomotion	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	10 contacts →
	Partial evidence “EcoMotion provides sustainability advising and consulting cities, counties, utilities, corporations, and campuses to help them achieve their energy and environmental goals.” Source: RevenueBase Database · checked Sep 28, 2026
10	ALL About Waste	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	9 contacts →
	Indirect evidence “Over 21 Years of Expertise in Sustainability Solutions At All About Waste, we are an award-winning global leader in zero-waste and circular economy solutions.” Source: RevenueBase Database · checked Sep 28, 2026
11	Stout Design Build	Indirect evidence	Los Angeles, United StatesHQ checked Sep 28, 2026	11-50	8 contacts →
	Indirect evidence “Stout Design:Build is a full service firm specializing in high end custom residential homes and Landscape Design:Build.” Source: RevenueBase Database · checked Sep 28, 2026
12	Argento Graham	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	7 contacts →
	Strong evidence “Argento/Graham offers strategic and technical green building consulting services to all stakeholders involved in the development and operation of new and existing buildings.” Source: RevenueBase Database · checked Sep 28, 2026
13	Archeon Group	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
14	NCA Studio INC	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “NCA Studio Inc is a woman-owned architecture and project management firm based in the Arts District, Los Angeles CA.” Source: RevenueBase Database · checked Sep 28, 2026
15	NEW Theme	Partial evidence	Los Angeles, United StatesHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Expanding upon the premise of sustainability, NEW THEME architecture seeks to foster a dialogue between green ideas and their articulation in radical new forms.” Source: RevenueBase Database · checked Sep 28, 2026
16	Labeling Sustainability INC	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “At Labeling Sustainability, we are dedicated to guiding manufacturers, their suppliers and their distributors through the intricate journey of environmental accountability.” Source: RevenueBase Database · checked Sep 28, 2026
17	Okapi Architecture INC	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “Okapi is passionate about bringing the design teams to the world of sustainability and energy efficiency by collaborating with public utility's fundings, such as Savings By Design.” Source: RevenueBase Database · checked Sep 28, 2026
18	Earthara	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “We work across sectors, partnering with clients ranging from startups and small businesses to Fortune companies.” Source: RevenueBase Database · checked Sep 28, 2026
19	ZC Sustainability	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “We are a collaborative of trusted advisors who are committed to addressing climate change by helping create a sustainable, high performing, resilient, and equitable built…” Source: RevenueBase Database · checked Sep 28, 2026
20	Insight Energy Consulting	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Partial evidence “At Insight Energy Consulting, our mission is to innovate and lead in energy efficiency and sustainability.” Source: RevenueBase Database · checked Sep 28, 2026
21	Pacificwest	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	3 contacts →
	Indirect evidence “PacificWest is a one-stop-shop for energy services.” Source: RevenueBase Database · checked Sep 28, 2026
22	Livingworks	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	11-50	2 contacts →
	Partial evidence “LivingWorks is a forward thinking firm focused on creative, practical, and cost-effective sustainable solutions for commercial and institutional buildings, both public and private.” Source: RevenueBase Database · checked Sep 28, 2026
23	Royal West Development	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Indirect evidence “Royal West is a development and construction company offering a full spectrum of services.” Source: RevenueBase Database · checked Sep 28, 2026
24	Viceroy Consulting And Development Group	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “Global project management and construction consulting firm.” Source: RevenueBase Database · checked Sep 28, 2026
25	Pennington Construction Advisors, INC	Partial evidence	Los Angeles, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “A Construction Management consulting company advisory and strategy enterprise focused on growing companies, delivering projects and solving problems in the built environment with…” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: green building consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names green building consulting firms.
Partial evidence: Its own public description names part of green building consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name green building consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 86 green building consulting firms based in Los Angeles, United States

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Green building consulting firms based in Los Angeles, United States at a glance

As of Sep 28, 2026

48.9%Verified-email coverage

14.0Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

Email recency for this list is measured across the whole United States list rather than for Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 86 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among green building consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Los Angeles, United States whose own description of what they do matches “green building consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names green building consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among green building consulting firms, and records with no verified work email. Companies headquartered outside Los Angeles are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 588 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Green building consulting firms by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names green building consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many green building consulting firms are there based in Los Angeles, United States?

RevenueBase identified 86 green building consulting firms headquartered in Los Angeles, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Psomas, headquartered in Los Angeles, tops this list with the largest team on record.

Which city in the United States has the most green building consulting firms?

New York leads the United States with 261 headquartered companies, followed by Chicago (104) and Houston (102). Los Angeles has 86.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 588 verified decision-maker contacts tracked across these 86 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.