Company lists · Data refreshed October 2026

Top 8 Offshore oil and gas consultants based in Madrid, Spain

RevenueBase identified 54 company matches for offshore oil and gas consultants associated with Madrid, Spain as of October 2026 and tracks 1,195 professional contacts across them, including 93 with verified work emails. Across Spain, Madrid is the largest hub for this category.

This list covers company matches for offshore oil and gas consultants associated with Madrid, Spain, 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 October 19, 2026.

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 Oct 19, 2026 How this list was built
54Companies
1,195Contacts tracked
93Verified emails
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The 8 largest offshore oil and gas consultants based in Madrid, Spain

Ranked by team size
Top 8 of 54 company matches for offshore oil and gas consultants based in Madrid, Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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 matchMadrid, SpainHQ recorded Oct 19, 2026201-500283 contacts →

Exact match

“Desde 1970 ESTEYCO ha desarrollado internacionalmente más de 1.300 estudios y proyectos.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchMadrid, SpainHQ recorded Oct 19, 2026201-500263 contacts →

Exact match

“Ingeniería Estudios y Proyectos NIP, S.A.(NIPSA) is a Spanish engineering and consulting company created in 1976 with the purpose of providing high quality and flexible technical…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Oct 19, 2026201-500117 contacts →

Exact match

“Desde sus inicios, URCI participó activamente en el desarrollo de las infraestructuras viarias, ferroviarias, portuarias y aeroportuarias construidas en España por el gobierno, y…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Oct 19, 2026201-500113 contacts →

Exact match

“HEYMO es una empresa de servicios profesionales de ingeniería y consultoría que cuenta con 60 años de experiencia nacional e internacional.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Oct 19, 202651-20097 contacts →

Exact match

“DISEÑOS Y PROYECTOS REUNIDOS, S.A.(DISEPROSA), fundada en Madrid en 1986 y dedicada al desarrollo y prestación de servicios de Ingeniería y Consultoría, Dirección y Supervisión de…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchMadrid, SpainHQ recorded Oct 19, 202651-20062 contacts →

Exact match

“Seaplace is an Offshore Engineering and Ship Design office.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Oct 19, 202611-5010 contacts →

Exact match

“ARDITECNICA is a company established in as part of the German group Bayerische Hausbau, created for the planning and control of the execution of the projects that the group…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Oct 19, 20261-101 contacts →

Exact match

“Raise Your Device is a young company but with in depth expertise about industrial electronics.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 8 of 54 offshore oil and gas consultants based in Madrid, Spain

See the full list, filter by size, metro and specialty, and access 93 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore oil and gas consultants based in Madrid, Spain at a glance

As of Oct 19, 2026
7.8%Verified-email coverage
22.1Average contacts per company
11-50Median size (employees)
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
19
51-200
4
201-500
5
501-1,000
1

Email recency for this list is measured across the whole Spain list rather than for Madrid, so it is reported there. Company counts and contact totals on this page are exact for Madrid, over 54 companies.

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.
What qualifies
Company records associated with Madrid, Spain whose business descriptions match “offshore oil and gas 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 93 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 October 19, 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.

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 “offshore oil and gas consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore oil and gas consultants are there based in Madrid, Spain?

RevenueBase identified 54 company matches for offshore oil and gas consultants associated with Madrid, Spain as of October 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?

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

Which city in Spain has the most offshore oil and gas consultants?

Madrid leads Spain with 54 company records, followed by Barcelona (18) and Seville (12).

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 93 professional contacts with verified work emails tracked across these 54 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 October 19, 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.