Company lists · Data refreshed September 2026

Top 25 Engineering companies based in Spain

Name: Engineering companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 5,568 companies tracked

This directory lists 5,568 engineering companies based in Spain, with 136,682 contacts and 15,483 email addresses. The list includes companies across engineering disciplines, and Madrid is the single most-represented city among the companies on the list. Use it to identify potential suppliers, partners, and sales prospects as of September 2026.

Engineering companies apply scientific, mathematical, and technical principles to design, develop, test, and manage products, systems, structures, or industrial processes. This list covers companies that provide engineering design, consulting, testing, project management, or related technical services. Ranked by team size, largest first. Data current as of September 6, 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 6, 2026 86% judged on-target in blind review

5,568Companies

136,682Contacts tracked

15,483Verified emails

1,273Mobile numbers

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The 25 largest engineering companies based in Spain

Ranked by team size

Top 25 of 5,568 engineering companies based in Spain, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to engineering companies: 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	Tecnicas Reunidas	Strong evidence	Madrid, SpainHQ checked Sep 6, 2026	10001+	10,588 contacts →
	Strong evidence “TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…” Source: RevenueBase Database · checked Sep 6, 2026
2	AYESA	Strong evidence	Seville, SpainHQ checked Sep 6, 2026	10001+	6,630 contacts →
	Strong evidence “Ayesa is a global provider of technology and engineering services with more than 11500 employees in twenty-three countries across Europe, Latin America, Africa and Asia.” Source: RevenueBase Database · checked Sep 6, 2026
3	INECO	Indirect evidence	Madrid, SpainHQ checked Sep 6, 2026	5,001-10,000	4,669 contacts →
	Indirect evidence “Ingeniería y consultoría de referencia en el ámbito de la movilidad sostenible y la transformación digital Englobada dentro del grupo del Ministerio de Transportes y Movilidad…” Source: RevenueBase Database · checked Sep 6, 2026
4	Grupo Cobra	Indirect evidence	Madrid, SpainHQ checked Sep 6, 2026	10001+	4,478 contacts →
	Indirect evidence “Grupo Cobra es una compañía global de más de 80 años de experiencia en el sector de la ingeniería industrial aplicada y servicios especializados.” Source: RevenueBase Database · checked Sep 6, 2026
5	SENER	Indirect evidence	Getxo, SpainHQ checked Sep 6, 2026	1,001-5,000	3,221 contacts →
	Indirect evidence “At Sener we want to transform the world by challenging the boundaries of technology.” Source: RevenueBase Database · checked Sep 6, 2026
6	Dragados SA	Indirect evidence	Madrid, SpainHQ checked Sep 6, 2026	10001+	2,554 contacts →
	Indirect evidence “DRAGADOS, S.A.” Source: RevenueBase Database · checked Sep 6, 2026
7	TYPSA	Strong evidence	San Sebastian De Los Reyes, SpainHQ checked Sep 6, 2026	1,001-5,000	2,422 contacts →
	Strong evidence “TYPSA is an independent consulting and engineering services group, and a leader in infrastructure, energy, environmental and city solutions.” Source: RevenueBase Database · checked Sep 6, 2026
8	FCC Construcción	Indirect evidence	Madrid, SpainHQ checked Sep 6, 2026	10001+	2,000 contacts →
	Indirect evidence “Lideres en infraestructuras internacionales.” Source: RevenueBase Database · checked Sep 6, 2026
9	Isolux Corsan	Indirect evidence	Madrid, SpainHQ checked Sep 6, 2026	5,001-10,000	1,649 contacts →
	Indirect evidence “Isolux is a global benchmark in energy, water and environmental, road and railways infrastructure with presence in more than 35 countries on four continents.” Source: RevenueBase Database · checked Sep 6, 2026
10	Isdefe	Strong evidence	Madrid, SpainHQ checked Sep 6, 2026	1,001-5,000	1,413 contacts →
	Strong evidence “Engineering Systems for the Defence of Spain, Isdefe, is a state owned company property of the Spanish General Administration specialized in providing innovative, likely and…” Source: RevenueBase Database · checked Sep 6, 2026
11	Sanjose Constructora	Indirect evidence	Tres Cantos, SpainHQ checked Sep 6, 2026	1,001-5,000	1,400 contacts →
	Indirect evidence “SANJOSE is one of the top construction companies within the sector.” Source: RevenueBase Database · checked Sep 6, 2026
12	Dragados Offshore	Indirect evidence	11510 Puerto Real, SpainHQ checked Sep 6, 2026	1,001-5,000	1,348 contacts →
	Indirect evidence “Founded in 1972, Dragados Offshore S.A.” Source: RevenueBase Database · checked Sep 6, 2026
13	TSK Electrónica Y Electricidad	Indirect evidence	Gijon, SpainHQ checked Sep 6, 2026	1,001-5,000	1,345 contacts →
	Indirect evidence “TSK es una compañía global especializada en tecnologías innovadoras que contribuyen a un desarrollo más sostenible a nivel internacional, aportando soluciones para diferentes…” Source: RevenueBase Database · checked Sep 6, 2026
14	Comsa Corporación	Strong evidence	Barcelona, SpainHQ checked Sep 6, 2026	5,001-10,000	1,315 contacts →
	Strong evidence “COMSA Corporación is the largest unlisted Spanish group in the infrastructure and engineering sector.” Source: RevenueBase Database · checked Sep 6, 2026
15	Cemosa	Indirect evidence	Málaga, SpainHQ checked Sep 6, 2026	1,001-5,000	943 contacts →
	Indirect evidence “CEMOSA fue constituida en 1972 bajo la denominación mercantil “Centro de Estudios de Materiales y Control de obra, SA”.” Source: RevenueBase Database · checked Sep 6, 2026
16	Eptisa	Strong evidence	Madrid, SpainHQ checked Sep 6, 2026	1,001-5,000	939 contacts →
	Strong evidence “We are a multinational company specialised in engineering, consultancy, information technologies and institutional, economic and social development with over 60 years of…” Source: RevenueBase Database · checked Sep 6, 2026
17	Ghenova	Strong evidence	Seville, SpainHQ checked Sep 6, 2026	501-1,000	856 contacts →
	Strong evidence “Ghenova is an engineering company that works internationally offering multidisciplinary engineering and consultancy services.” Source: RevenueBase Database · checked Sep 6, 2026
18	TPF Ingeniería	Strong evidence	Madrid, SpainHQ checked Sep 6, 2026	501-1,000	746 contacts →
	Strong evidence “TPF INGENIERÍA is one of the leading engineering companies in Spain, truly committed to innovation and excellence in all aspects of infrastructure development.” Source: RevenueBase Database · checked Sep 6, 2026
19	Inerco	Indirect evidence	Seville, SpainHQ checked Sep 6, 2026	1,001-5,000	688 contacts →
	Indirect evidence “INERCO, with 30 years of experience, offers comprehensive services and develops advanced technologies that contribute to sustainable industrial development, acting as a leader in…” Source: RevenueBase Database · checked Sep 6, 2026
20	Comfica Soluciones Integrales S.L	Indirect evidence	Fuenlabrada, SpainHQ checked Sep 6, 2026	201-500	684 contacts →
	Indirect evidence “Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Source: RevenueBase Database · checked Sep 6, 2026
21	Nervion Industries, Engineering & Services, S.L	Strong evidence	Bilbao, SpainHQ checked Sep 6, 2026	1,001-5,000	681 contacts →
	Strong evidence “NERVION INDUSTRIES is a business group dedicated to industrial services and applied engineering, providing services in strategic sectors.” Source: RevenueBase Database · checked Sep 6, 2026
22	Tamoin	Indirect evidence	Erandio/ Altzaga, SpainHQ checked Sep 6, 2026	1,001-5,000	630 contacts →
	Indirect evidence “TAMOIN, fundada en 1956, es en la actualidad una sociedad empresarial de GTM Grupo, en constante evolución hacia la especialización en servicios industriales.” Source: RevenueBase Database · checked Sep 6, 2026
23	Insyte Instalaciones	Indirect evidence	Getafe, SpainHQ checked Sep 6, 2026	1,001-5,000	628 contacts →
	Indirect evidence “Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Source: RevenueBase Database · checked Sep 6, 2026
24	Sampol	Indirect evidence	Palma De Mallorca, SpainHQ checked Sep 6, 2026	1,001-5,000	581 contacts →
	Indirect evidence “SAMPOL is an independent, multinational, family owned company founded in 1934 and a leader in the implementation of Energy projects, Electrical installations, Telecommunications…” Source: RevenueBase Database · checked Sep 6, 2026
25	Ingenieros Emetres Im3	Strong evidence	Barcelona, SpainHQ checked Sep 6, 2026	501-1,000	551 contacts →
	Strong evidence “We carry out studies, conceptual, basic and detailed engineering and construction projects, preliminary projects, construction management and technical assistance, bidding…” Source: RevenueBase Database · checked Sep 6, 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: engineering companies. 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 engineering companies.
Partial evidence: Its own public description names part of engineering companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name engineering companies. 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 5,568 engineering companies based in Spain

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Engineering companies based in Spain at a glance

As of Sep 6, 2026

11.3%Verified-email coverage

0.9%Mobile-number coverage

24.5Average contacts per company

11-50Median size (employees)

13.1%Largest-city concentration · Madrid

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

2,753

11-50

1,976

51-200

570

201-500

141

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

14,3790–30

1,01131–60

761–90

590–180

81180+

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 engineering companies, 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 Spain whose own description of what they do matches “engineering companies”. 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 engineering companies), 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 engineering companies, and records with no verified work email. Companies headquartered outside Spain 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, 15,483 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 6, 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.

Engineering companies by metro

Frequently asked

How many engineering companies are based in Spain?

The directory lists 5,568 engineering companies based in Spain as of September 2026.

What services do engineering companies provide?

Engineering companies provide services such as design, consulting, testing, project management, and technical support across disciplines and industries.

How can I find contacts at engineering companies?

This directory includes 136,682 contacts and 15,483 email addresses associated with engineering companies.

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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.