Company lists · Data refreshed September 2026

Top 9 Offshore infrastructure inspection companies based in Portugal

Name: Offshore infrastructure inspection companies based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 29 companies tracked

RevenueBase identified 29 company matches for offshore infrastructure inspection companies associated with Portugal as of September 2026 and tracks 368 professional contacts across them, including 81 with verified work emails. Lisbon is the largest hub.

This list covers company matches for offshore infrastructure inspection companies associated with Portugal, 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 September 20, 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 Sep 20, 2026 How this list was built

29Companies

368Contacts tracked

81Verified emails

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The 9 largest offshore infrastructure inspection companies based in Portugal

Ranked by team size

Top 9 of 29 company matches for offshore infrastructure inspection companies based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Etermar	Exact match	Setúbal, PortugalHQ recorded Sep 20, 2026	501-1,000	145 contacts →
	Exact match “Etermar is a leading European marine engineering company, operating in 16 different countries on four different continents.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Step Consolidated, LDA	Exact match	Lisbon, PortugalHQ recorded Sep 20, 2026	51-200	45 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Aeroprotechnik	Exact match	Portugal Portugal, PortugalHQ recorded Sep 20, 2026	11-50	19 contacts →
	Exact match “Aeroprotechnik is a leader inspection company that provides advanced Inspection and Digitalization services as well as proprietary software analysis tools.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Selinat, LDA	Exact match	Setubal, PortugalHQ recorded Sep 20, 2026	11-50	8 contacts →
	Exact match “A SELINAT é uma empresa portuguesa com sede em Setúbal no estaleiro da LISNAVE, as suas principais atividades são a manutenção e reparação naval.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Multisub S.A	Exact match	Leça Da Palmeira, PortugalHQ recorded Sep 20, 2026	11-50	6 contacts →
	Exact match “Fundada em 2003 com o objectivo de responder às necessidades de um mercado que exige profissionalismo, segurança e rigor nas intervenções, rapidamente se diferenciou pela sua…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Spybuilding Inspecção DE Edifícios, LDA	Exact match	Lisbon, PortugalHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “A Spybuilding – Inspecção de edifícios Lda.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Isptel	Exact match	Perafita, PortugalHQ recorded Sep 20, 2026	11-50	4 contacts →
	Exact match “ISPTEL is strategically located at North of Porto the second major city in Portugal nearby Leixões harbour, where offshore activities are increasing exponentially the last years.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Wave Marine, Maritime Services	Exact match	Sines, PortugalHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “Established in 2010, Wave Marine already has years of experience operating with strong reliable partners in the market of Life Saving.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	ITA	Exact match	Guimarães, PortugalHQ recorded Sep 20, 2026	1-10	3 contacts →
	Exact match “Disponibilizar aos nossos clientes uma basta gama de serviços que lhes permita ir ao encontro das suas necessidades, Transmitir a cima de tudo credibilidade, profissionalismo…” Recorded in the RevenueBase company graph · Sep 20, 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 “offshore infrastructure inspection companies”. 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 9 of 29 offshore infrastructure inspection companies based in Portugal

See the full list, filter by size, metro and specialty, and access 81 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore infrastructure inspection companies based in Portugal at a glance

As of Sep 20, 2026

22.0%Verified-email coverage

12.7Average contacts per company

1-10Median size (employees)

20.7%Largest-city concentration · Lisbon

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

Email recency for this list is measured worldwide rather than for Portugal, so it is reported there. Company counts and contact totals on this page are exact for Portugal, over 29 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 Portugal whose business descriptions match “offshore infrastructure inspection companies” 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 81 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 September 20, 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 infrastructure inspection companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore infrastructure inspection companies are there based in Portugal?

RevenueBase identified 29 company matches for offshore infrastructure inspection companies associated with Portugal as of September 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?

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

Which city has the most offshore infrastructure inspection companies?

Lisbon leads with 6 company records, followed by Setubal (3) and Aveiro (2).

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 81 professional contacts with verified work emails tracked across these 29 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 September 20, 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.