Company lists · Data verified August 2026

Top 25 Environmental consultancy firms based in Spain

Name: Environmental consultancy firms based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 984 companies tracked

There are 984 environmental consultancy firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 33,032 professional contacts across them, including 1,126 with verified work emails and 806 with mobile numbers. Madrid is the largest hub.

This list covers environmental consultancy firms headquartered in Spain, 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.

984Companies

33,032Contacts tracked

1,126Verified emails

806Mobile numbers

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The 25 largest environmental consultancy firms based in Spain

Ranked by team size

Top 25 of 984 environmental consultancy firms based in Spain, 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	Autonomo	Cordoba	n/a	23,114	23
2	Anthesis ESP	Manlleu	201-500	333	75
3	Labaqua, S.A	n/a	201-500	240	32
4	Valora Consultores	A Coruna	51-200	238	41
5	Quadrante Meta Engineering	Barcelona	501-1,000	236	26
6	Ecointegral Ingeniería, SL	Cordoba	201-500	232	26
7	Iproma	Platja De Palma	201-500	227	21
8	Conurma Ingenieros Consultores	Madrid	51-200	198	16
9	Sm, Sistemas Medioambientales, SL	Barcelona	201-500	174	2
10	Ideas Medioambientales	Albacete	51-200	132	69
11	Antea Group España Y Latinoamérica	A Coruna Coruna	51-200	132	15
12	Valladares Ingeniería S.L	Madrid	51-200	131	21
13	Tecnoambiente	Badalona	51-200	126	28
14	Tecnigral	Madrid	51-200	98	13
15	Cehtra	Madrid	51-200	92	72
16	Tresca Ingeniería, S.A	Leon	51-200	78	13
17	DNOTA	Torrelavega	51-200	71	8
18	Taxus Medio Ambiente	Oviedo	51-200	69	1
19	Tauw Iberia	Madrid	51-200	65	11
20	Agresta S. Coop	Cuenca	11-50	45	6
21	Transcendent	Madrid	11-50	45	6
22	IGM Ingenieria Y Gestión Medioambiental	Madrid	201-500	43	1
23	Esolve. Environmental Consulting And Engineering	Madrid	11-50	34	6
24	Grupo Innova	Ontinyent	11-50	32	2
25	Cuarta Esfera	Laguna De Duero	51-200	32	1

Showing 25 of 984 environmental consultancy firms based in Spain

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Environmental consultancy firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 155 HQs

806Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

659

11-50

263

51-200

201-500

501-1,000

1,001-5,000

10001+

Environmental consultancy firms by metro

Metro	Companies
Environmental consultancy firms in Madrid	155
Environmental consultancy firms in Barcelona	91
Environmental consultancy firms in Valencia	38
Environmental consultancy firms in Sevilla	32
Environmental consultancy firms in Malaga	29
Environmental consultancy firms in Murcia	20
Environmental consultancy firms in Zaragoza	19

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 “environmental consultancy firms”, with match quality audited by blind human judging, and headquartered in Spain.
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 environmental consultancy firms are there based in Spain?

There are 984 environmental consultancy firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Autonomo, headquartered in Cordoba, tops this list with the largest team on record.

Which city has the most environmental consultancy firms?

Madrid leads with 155 headquartered companies, followed by Barcelona (91) and Valencia (38).

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 1,126 verified decision-maker contacts tracked across these 984 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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Related lists

Environmental consultancy firms by geography

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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.