---
canonical: https://trinta.ai/suppliers/sisint-supervisao-conservacao-manutencao-e-gestoo-de-redes-de-6966
language: en
updated: 2026-10-17
data:
  - source: "Portal BASE (IMPIC)"
    url: https://dados.gov.pt/pt/datasets/contratos-publicos-portal-base-impic-contratos-de-2012-a-2026/
    edition: 2026-10-04
    period: "2026"
publisher: "TRINTA"
publisher_url: https://trinta.ai
---
# Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. (NIF 506596966): public tenders won in Portugal (2026)

Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. (NIF 506596966) won 1 public contract worth €5,298,717 from 1 public buyer in Portugal in 2026 to date. Its largest public buyer by value is Infraestruturas de Portugal, SA, with €5,298,717 across 1 contract. Most of that value, 100.0% of it, sits in CPV division 45, Construction work. Source: Portal BASE (base.gov.pt), IMPIC open data, register edition 4 Oct 2026.

Markets: Portugal.

- Wins, 2026 to date: 1 (0 won by open tender)
- Awarded value: €5,298,717
- Public buyers: 1
- Main place of delivery: Lisboa, Portugal
- First award on record (2026): 2026-08-21 · Latest award: 2026-08-21
- Declared SME: Yes
- CPV divisions: 45 Construction work (https://trinta.ai/cpv/45000000)

## Recent awards

- 2026-08-21: Infraestruturas de Portugal, SA, "L. CASCAIS - FORNECIMENTO E INSTALAÇÃO DE CAMINHOS DE CABOS NÃO TIPIFICADOS PARA SINALIZAÇÃO -…", €5,298,717, Direct award (https://www.base.gov.pt/Base4/pt/detalhe/?type=contratos&id=15526438)

## Top buyers, 2026

- Infraestruturas de Portugal, SA (NIF 503933813): 1 contract, €5,298,717 (https://trinta.ai/compradores/infraestruturas-de-portugal-sa-503933813)

## Who else wins with these buyers

- Siemens Mobility, Unipessoal Lda (NIF 514750901): 10 contracts, €31,593,049, 1/1 buyers (https://trinta.ai/suppliers/siemens-mobility-unipessoal-lda-0901)
- HITACHI RAIL GTS PORTUGAL, S.A. (NIF 507775597): 11 contracts, €13,060,424, 1/1 buyers (https://trinta.ai/suppliers/hitachi-rail-gts-portugal-s-a-5597)
- Alstom Ferroviaria Portugal,  S.A. (NIF 500274371): 8 contracts, €10,147,661, 1/1 buyers (https://trinta.ai/suppliers/alstom-ferroviaria-portugal-s-a-4371)

## How much has Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. won in Portuguese public tenders in 2026?

Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. (NIF 506596966) was awarded €5,298,717 across 1 public contract published on Portal BASE in 2026 to date, register edition 4 Oct 2026.

## Which public bodies buy from Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda.?

Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. won contracts from 1 public buyer in 2026 to date. The largest by value: Infraestruturas de Portugal, SA (€5,298,717). Source: Portal BASE, register edition 4 Oct 2026.

## What does Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. supply?

The contracts Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. won in 2026 to date fall under CPV 45, Construction work, as the buyers classified them with CPV codes on Portal BASE, register edition 4 Oct 2026.

## Who competes with Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. for the same buyers?

Siemens Mobility, Unipessoal Lda (€31,593,049 awarded, 1 shared buyer), HITACHI RAIL GTS PORTUGAL, S.A. (€13,060,424 awarded, 1 shared buyer), Alstom Ferroviaria Portugal,  S.A. (€10,147,661 awarded, 1 shared buyer) won contracts from the same public buyers as Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. in 2026 to date, under the same CPV divisions, per Portal BASE, register edition 4 Oct 2026.

## When was the most recent public contract of Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda.?

The most recent contract on record for Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda. is dated 21 Aug 2026, and the first of 2026 is dated 21 Aug 2026, per Portal BASE, register edition 4 Oct 2026.

Source: Portal BASE (base.gov.pt), IMPIC open data, register edition 4 Oct 2026. Not affiliated with Sisint - Supervisão, Conservação, Manutenção e Gestõo de Redes de Energia, Lda.

https://trinta.ai/suppliers/sisint-supervisao-conservacao-manutencao-e-gestoo-de-redes-de-6966 · Suppliers: https://trinta.ai/suppliers · Get the open tenders: https://trinta.ai/suppliers/sisint-supervisao-conservacao-manutencao-e-gestoo-de-redes-de-6966#claim