Company lists · Data refreshed November 2026

Top 25 Impact reporting consultants worldwide

Name: Impact reporting consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 6,122 companies tracked

RevenueBase identified 6,122 company matches for impact reporting consultants worldwide as of November 2026 and tracks 42,644 professional contacts across them, including 15,343 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for impact reporting 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 impact reporting 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

6,122Companies

42,644Contacts tracked

15,343Verified emails

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The 25 largest impact reporting consultants worldwide

Ranked by team size

Top 25 of 6,122 company matches for impact reporting 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SLR Consulting	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	4,208 contacts →
	Exact match “SLR is a committed partner in our clients’ sustainability journeys.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	BDO Nederland	Exact match	Eindhoven, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	2,458 contacts →
	Exact match “At BDO, we help people and organisations achieve their sustainable future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Sattva Consulting	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	201-500	485 contacts →
	Exact match “At Sattva Consulting, we believe meaningful change happens when people come together with a shared purpose.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Delivery Associates	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	408 contacts →
	Exact match “We make change happen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	EMM Consulting PTY Limited	Exact match	St Leonards, AustraliaHQ recorded Nov 6, 2026	201-500	363 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
6	Genesis Analytics	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	201-500	352 contacts →
	Exact match “Genesis Analytics has worked in more than 115 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	NTU International A S	Exact match	Aalborg, DenmarkHQ recorded Nov 6, 2026	201-500	278 contacts →
	Exact match “Since 2007, we have delivered sustainable development projects and provided advisory services within engineering, policy, economics, and social fields.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	GAP Ssma	Exact match	Goiânia, BrazilHQ recorded Nov 6, 2026	201-500	251 contacts →
	Exact match “A GAP Ambiental oferece serviços para pequenas, médias e grandes empresas em diversas áreas que vão desde o licenciamento ao acompanhamento da execução de projetos.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Global Reporting Initiative GRI	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	51-200	249 contacts →
	Exact match “Global Reporting Initiative (GRI) is the independent nonprofit organization that is the architect of the common global language to assess and report on environmental, social and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	TCC Group	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	n/a	244 contacts →
	Exact match “TCC Group collaborates with leaders to solve complex social problems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Willing	Exact match	Toulouse, FranceHQ recorded Nov 6, 2026	201-500	229 contacts →
	Exact match “Spécialiste de la transformation numérique à impact, Willing a été fondé à Toulouse et compte aujourd’hui 9 sites en France et à l’étranger : Toulouse, Bordeaux, Nantes, Paris…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Catalyste	Exact match	Toronto, QC, CanadaHQ recorded Nov 6, 2026	51-200	216 contacts →
	Exact match “With over 50 years’ experience in over 30 countries, our global reputation is based on our demonstrated ability to manage consistently high-performing, highly inclusive…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Gullers Group	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	51-200	197 contacts →
	Exact match “At Gullers Group, we're at the forefront of driving change where business success meets societal good.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Stirrup Communication Consultants	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	51-200	193 contacts →
	Exact match “Stirrup Communication Consultants Pvt Ltd (Stirrup), previously known as AICL Communications Limited, is a corporate reporting, ESG, stakeholder communications consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Gist Impact	Exact match	Nyon, SwitzerlandHQ recorded Nov 6, 2026	51-200	178 contacts →
	Exact match “GIST Impact is a market-leading impact data and analytics provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	EVEA	Exact match	Nantes, FranceHQ recorded Nov 6, 2026	51-200	176 contacts →
	Exact match “Established in 2015, EVEA is a consulting firm, a software tools publisher, and a training organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	R3	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	168 contacts →
	Exact match “Expert de la réconciliation entre économie et écologie, R3 fait basculer les entreprises vers une transition environnementale et sociétale réellement performante.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Good Company	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	n/a	168 contacts →
	Exact match “Founded in 2006, Good Company is a social impact consultancy specializing in innovative, collaborative marketing, partnerships and communications strategies with purpose.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	IQO	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	164 contacts →
	Exact match “In a world that’s constantly being reinvented, where only companies that choose to operate FOR GOOD will succeed in building resilient growth models, where business models combine…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Insideo	Exact match	Lima, PeruHQ recorded Nov 6, 2026	n/a	155 contacts →
	Exact match “INSIDEO es una firma consultora especializada en temas ambientales y sociales con un enfoque de desarrollo sostenible.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Greenfinch Real Estate Engineers & Consultants	Exact match	Jaipur, IndiaHQ recorded Nov 6, 2026	501-1,000	135 contacts →
	Exact match “Greenfinch Real Estate Engineers and Consultants Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Social Value Portal	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	129 contacts →
	Exact match “Social Value is the currency for conducting responsible, sustainable business, and Social Value Portal is on a mission to make it count in every organisation and every local…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	World Benchmarking Alliance	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	51-200	121 contacts →
	Exact match “We measure how businesses impact people and planet, so that together we can hold companies accountable for contributing to sustainable development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	بيور الاستشارية Pure Consulting	Exact match	Jeddah, Saudi ArabiaHQ recorded Nov 6, 2026	51-200	115 contacts →
	Exact match “Pure Consulting is a leading Saudi consulting firm established in 2014 with accumulated local and global expertise in strategy and management consulting, marketing and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Cascadia Consulting Group	Exact match	Seattle, CA, United StatesHQ recorded Nov 6, 2026	51-200	110 contacts →
	Exact match “Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded in the RevenueBase company graph · Nov 6, 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 “impact reporting 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 6,122 impact reporting consultants worldwide

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Impact reporting consultants worldwide at a glance

As of Nov 6, 2026

36.0%Verified-email coverage

7.0Average contacts per company

1-10Median size (employees)

4.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,889

11-50

1,043

51-200

141

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 impact reporting consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “impact reporting 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 15,343 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.

Impact reporting consultants by location

52 lists · largest first

Every Impact reporting 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 “impact reporting consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many impact reporting consultants are there worldwide?

RevenueBase identified 6,122 company matches for impact reporting 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?

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

Which country has the most impact reporting consultants?

The United States leads with 851 companies, followed by the United Kingdom (500) and France (407). Every impact reporting consultants list by country and city is linked on this page.

Which city has the most impact reporting consultants?

London leads with 245 company records, followed by Paris (150) and Sao Paulo (103).

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 15,343 professional contacts with verified work emails tracked across these 6,122 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.