Company lists · Data verified August 2026

Top 25 Climate change consulting firms based in Portugal

Name: Climate change consulting firms based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 137 companies tracked

There are 137 climate change consulting firms headquartered in Portugal (RevenueBase, August 2026). RevenueBase tracks 953 professional contacts across them, including 313 with verified work emails and 45 with mobile numbers. Lisboa is the largest hub.

This list covers climate change consulting firms headquartered in Portugal, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

137Companies

953Contacts tracked

313Verified emails

45Mobile numbers

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The 25 largest climate change consulting firms based in Portugal

Ranked by team size

Top 25 of 137 climate change consulting firms based in Portugal, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Harmon Corporate Affairs	Lisbonne	51-200	190	52
2	Leadership & Sustainability	Lisbon	51-200	38	19
3	Greenlab	Lisboa	51-200	36	19
4	Get2c	Campo Maior	11-50	29	21
5	NEMUS	n/a	11-50	27	19
6	Grupo Matos, Fonseca & Associados Grupo Mf&a	Sao Domingos De Rana	11-50	27	15
7	Stravillia Sustainability HUB	Lisbon	11-50	25	19
8	Ccenergia	Rio Maior	11-50	25	18
9	Ecosativa	Vila Nova De Milfontes Vila Nova De Milfontes	11-50	25	4
10	3drivers Quadrante	Lisbon	11-50	22	16
11	Aliados Consulting	Santo Tirso	11-50	21	15
12	BIOTA	Obidos	11-50	14	3
13	Edifícios Saudáveis Consultores Healthy Buildings Consultants	Matosinhos	1-10	11	7
14	Mhyd Group	Matosinhos	11-50	9	6
15	Systemic	Lisboa	1-10	9	5
16	SFGO	Avenidas Novas	1-10	7	4
17	KPM Engineering Services LTD	Maia	11-50	7	2
18	Sbconsulting	Cascais	1-10	7	2
19	Noctula	Viseu	1-10	6	2
20	Fundo DE Maneio	Ponta Delgada	1-10	5	2
21	Confienergy	Santa Maria Da Feira	11-50	5	1
22	Energia Fundamental, Mobilidade Elétrica, LDA	Porto	1-10	4	3
23	Sinambi Consultores	Viseu	1-10	4	3
24	Humb. Consulting	Lisbon	1-10	4	2
25	Ingeniu	Lisboa	1-10	4	2

Showing 25 of 137 climate change consulting firms based in Portugal

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Climate change consulting firms based in Portugal at a glance

As of Aug 28, 2026

1-10Median size (employees)

LisboaLargest hub · 27 HQs

45Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

112

11-50

51-200

Climate change consulting firms by metro

Metro	Companies
Climate change consulting firms in Lisboa	27
Climate change consulting firms in Porto	15
Climate change consulting firms in Lisbon	15
Climate change consulting firms in Matosinhos	5
Climate change consulting firms in Cascais	4
Climate change consulting firms in Coimbra	4
Climate change consulting firms in Leiria	3

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “climate change consulting firms”, with match quality audited by blind human judging, and headquartered in Portugal.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many climate change consulting firms are there based in Portugal?

There are 137 climate change consulting firms headquartered in Portugal as of August 2026 (RevenueBase).

What is the largest company on this list?

Harmon Corporate Affairs, headquartered in Lisbonne, tops this list with the largest team on record.

Which city has the most climate change consulting firms?

Lisboa leads with 27 headquartered companies, followed by Porto (15) and Lisbon (15).

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 313 verified decision-maker contacts tracked across these 137 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.