Company lists · Data verified August 2026

Top 8 Energy efficiency investment firms based in Portugal

Name: Energy efficiency investment firms based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 35 companies tracked

There are 35 energy efficiency investment firms headquartered in Portugal (RevenueBase, August 2026). RevenueBase tracks 246 professional contacts across them, including 36 with verified work emails and 20 with mobile numbers. Porto is the largest hub.

This list covers energy efficiency investment 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.

35Companies

246Contacts tracked

36Verified emails

20Mobile numbers

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The 8 largest energy efficiency investment firms based in Portugal

Ranked by team size

Top 8 of 35 energy efficiency investment 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	Cleanwatts	Porto	11-50	54	16
2	SCT Power, LDA	Venda Do Pinheiro	11-50	11	7
3	Amener S.A	Lisboa	11-50	10	3
4	Âmago-Energia Inteligente, LDA	n/a	1-10	8	1
5	Diligised	Porto	1-10	5	3
6	Ecosul	Portimao	1-10	5	2
7	BLB	Porto	1-10	4	2
8	Solvasto - PV Services	Cascais	1-10	3	2

Showing 8 of 35 energy efficiency investment firms based in Portugal

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 36 reachable decision-makers.

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Energy efficiency investment firms based in Portugal at a glance

As of Aug 28, 2026

1-10Median size (employees)

PortoLargest hub · 6 HQs

20Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Energy efficiency investment firms by metro

Metro	Companies
Energy efficiency investment firms in Porto	6
Energy efficiency investment firms in Lisboa	6
Energy efficiency investment firms in Lisbon	2
Energy efficiency investment firms in Linda A Velha	1
Energy efficiency investment firms in Odivelas Odivelas	1
Energy efficiency investment firms in Loures	1
Energy efficiency investment firms in Guimaraes	1

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 “energy efficiency investment 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 energy efficiency investment firms are there based in Portugal?

There are 35 energy efficiency investment firms headquartered in Portugal as of August 2026 (RevenueBase).

What is the largest company on this list?

Cleanwatts, headquartered in Porto, tops this list with the largest team on record.

Which city has the most energy efficiency investment firms?

Porto leads with 6 headquartered companies, followed by Lisboa (6) and Lisbon (2).

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 36 verified decision-maker contacts tracked across these 35 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.