Company lists · Data refreshed November 2026

Top 25 Carbon neutral design consultants worldwide

RevenueBase identified 6,097 company matches for carbon neutral design consultants worldwide as of November 2026 and tracks 88,588 professional contacts across them, including 36,874 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for carbon neutral design 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 carbon neutral design 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
6,097Companies
88,588Contacts tracked
36,874Verified emails
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The 25 largest carbon neutral design consultants worldwide

Ranked by team size
Top 25 of 6,097 company matches for carbon neutral design 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 matchAmsterdam, CO, United KingdomHQ recorded Nov 6, 202610001+36,645 contacts →

Exact match

“Arcadis is a leading global partner, delivering transformative projects with businesses, cities and industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 20261,001-5,0002,347 contacts →

Exact match

“We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026n/a1,164 contacts →

Exact match

“OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000956 contacts →

Exact match

“Anthesis guides clients to sustainable performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMelbourne, AustraliaHQ recorded Nov 6, 2026201-500472 contacts →

Exact match

“ADP Consulting, an Ayesa company, is a sustainability-led engineering consultancy on a quest to inspire a better world through influence and design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United Arab EmiratesHQ recorded Nov 6, 2026201-500427 contacts →

Exact match

“AESG is an international Consultancy, Engineering and Advisory firm committed to driving sustainability in the built environment and beyond.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMontréal, ON, CanadaHQ recorded Nov 6, 2026201-500381 contacts →

Exact match

“Architectes | Créateurs de changement Depuis plus de 60 ans, nous visons à redessiner l’avenir à travers la conception d’espaces de vie et de possibilités.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Nov 6, 2026501-1,000374 contacts →

Exact match

“Since 2009, GreenFlex has been a key partner in the energy, environmental and societal transformation of organizations, enabling them to change their trajectory towards an economy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSt Leonards, AustraliaHQ recorded Nov 6, 2026201-500363 contacts →

Exact match

“At EMM, we believe that a sustainable future is achievable, and we are dedicated to helping our clients and the community make it a reality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMunich, GermanyHQ recorded Nov 6, 2026501-1,000346 contacts →

Exact match

“ClimatePartner makes climate action valuable for every company at any stage of their journey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBirmingham, United KingdomHQ recorded Nov 6, 2026201-500346 contacts →

Exact match

“Climate change is without a doubt the greatest challenge we face in these times.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBurnaby, WA, CanadaHQ recorded Nov 6, 2026201-500345 contacts →

Exact match

“RDH is a multidisciplinary consulting firm specializing in building performance, durability, and resilience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200313 contacts →

Exact match

“As environmental design consultants, building services engineers and lighting designers, we are committed to high performance and sustainable design within the built environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLausanne, SwitzerlandHQ recorded Nov 6, 2026201-500311 contacts →

Exact match

“Quantis, part of BCG, is a sustainability consulting firm that helps organizations translate sustainability ambition into measurable business value.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPortland, OR, United StatesHQ recorded Nov 6, 2026201-500304 contacts →

Exact match

“At Cascade Energy, we believe in better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261,001-5,000273 contacts →

Exact match

“Com uma força propulsora de inovação, nos dedicamos a criar e aplicar soluções que elevam o padrão de nossos serviços no mercado.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMadrid, SpainHQ recorded Nov 6, 202651-200255 contacts →

Exact match

“VALORA is a consulting company who focus its activity towards a new professional innovative and thrilling challenge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAlmondsbury, United KingdomHQ recorded Nov 6, 2026501-1,000247 contacts →

Exact match

“Hydrock now Stantec is an integrated engineering design, energy and sustainability consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchStoke On Trent, United KingdomHQ recorded Nov 6, 2026501-1,000226 contacts →

Exact match

“Wardell Armstrong is now part of SLR which is a leading global consultancy, accelerating our ability to deliver the net zero transition and helping our clients address critical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500224 contacts →

Exact match

“Max Fordham LLP is a partnership of engineers, designers and consultants, working with the built environment, to deliver a sustainable future and a thriving planet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 2026201-500216 contacts →

Exact match

“Saudi Architects is a leading and highly ranked world-class firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchJaipur, IndiaHQ recorded Nov 6, 202651-200211 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 · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200172 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchZurich, SwitzerlandHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“myclimate is your partner for effective climate protection – both locally and globally.”

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

Showing 25 of 6,097 carbon neutral design consultants worldwide

See the full list, filter by size, metro and specialty, and access 36,874 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Carbon neutral design consultants worldwide at a glance

As of Nov 6, 2026
41.6%Verified-email coverage
14.5Average contacts per company
1-10Median size (employees)
3.2%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
4,473
11-50
1,282
51-200
227
201-500
38
501-1,000
14
1,001-5,000
12
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 carbon neutral design consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “carbon neutral design 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 36,874 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.

Carbon neutral design consultants by location

37 lists · largest first

Every Carbon neutral design 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 “carbon neutral design consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many carbon neutral design consultants are there worldwide?

RevenueBase identified 6,097 company matches for carbon neutral design 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?

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

Which country has the most carbon neutral design consultants?

The United States leads with 773 companies, followed by the United Kingdom (725) and France (450). Every carbon neutral design consultants list by country and city is linked on this page.

Which city has the most carbon neutral design consultants?

London leads with 198 company records, followed by Paris (81) and New York (60).

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 36,874 professional contacts with verified work emails tracked across these 6,097 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.