Company lists · Data verified August 2026
Top 12 Energy law firms based in Portugal
There are 37 energy law firms headquartered in Portugal (RevenueBase, August 2026). RevenueBase tracks 307 professional contacts across them, including 44 with verified work emails and 7 with mobile numbers. Lisboa is the largest hub.
This list covers energy law 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.
The 12 largest energy law firms based in Portugal
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Maio Legal | 17 |
| 2 |  Amaral & Barbosa Advogados | 5 |
| 3 |  N-Advogados Solidez. Confiança. Resolução. Credibilidade Advogados Lawyer | 1 |
| 4 |  Cavaleiro & Associados Sociedade DE Advogados R.L | 1 |
| 5 |  Falm Sociedade DE Advogados, Sp, RL | 7 |
| 6 |  EFCM | 2 |
| 7 | Barrocas Advogados | 4 |
| 8 |  Nobre Guedes & Associados | 2 |
| 9 |  Jorge Gaspar Advogados | 1 |
| 10 |  José Flores Advogados | 1 |
| 11 |  CB Energia & Consultoria | 2 |
| 12 |  Elan Forensic | 1 |
Showing 12 of 37 energy law firms based in Portugal
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Energy law firms based in Portugal at a glance
As of Aug 28, 2026Companies by employee count
Energy law firms by metro
| Metro | Companies |
|---|---|
| Energy law firms in Lisboa | 9 |
| Energy law firms in Porto | 6 |
| Energy law firms in Lisbon | 3 |
| Energy law firms in Espinho | 1 |
| Energy law firms in Oporto | 1 |
| Energy law firms in Setubal Barreiro | 1 |
| Energy law firms in Coimbra | 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 law 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 law firms are there based in Portugal?
There are 37 energy law firms headquartered in Portugal as of August 2026 (RevenueBase).
What is the largest company on this list?
Maio Legal, headquartered in Oporto, tops this list with the largest team on record.
Which city has the most energy law firms?
Lisboa leads with 9 headquartered companies, followed by Porto (6) and Lisbon (3).
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 44 verified decision-maker contacts tracked across these 37 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.