Source: https://tendernation.io/suppliers/nikolaos-kolliopoylos-and-sia-ee

Supplier profile

# Νικολαος Κολλιοπουλος & ΣΙΑ Ε.Ε.

Public sector contracts won, from published award notices

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Contracts won

3

since 13 Nov 2025

Total awarded

£19,837

where values were published

Buyers

2

public bodies

Latest win

5 May 2026

##  Recent contract awards

- [Επισκευη - συντηρηση υπηρεσιακων οχηματων Δ.Ε.Υ.Α.Ν. 2026](https://tendernation.io/opportunities/01a17c75-e848-70cf-83c2-39dcf4e44182/episkefi-sintirisi-ipiresiakon-okhimaton-deyan-2026) [Δημοτικη Επιχειρηση Υδρευσης Αποχετευσης Ναυπλιου (Δ.Ε.Υ.Α.Ν.)](https://tendernation.io/buyers/dimotiki-epikheirisi-ydrefsis-apokhetefsis-nauplioy-deyan)

    £16,150

    5 May 2026
- [Προμήθεια ανταλλακτικών, η οποία απαιτείται για την συντήρηση των μηχανημάτων](https://tendernation.io/opportunities/01a17bff-b6ed-7240-bfda-ee0e3919ab7f/promitheia-antallaktikwn-i-opia-apaititai-ghia-tin-sintirisi-ton-mikhanimaton) [Υπουργειο Κλιματικης Κρισης και Πολιτικης Προστασιας](https://tendernation.io/buyers/ypoyrgheio-klimatikis-krisis-kai-politikis-prostasias)

    £1,783

    18 Nov 2025
- [Πρόσκληση υποβολής οικονομικής προσφοράς για παροχή υπηρεσιών.](https://tendernation.io/opportunities/01a17bfc-3cab-72ca-aaee-a76ff8acd364/prosklisi-ipovolis-oikonomikis-prosforas-ghia-parokhi-ipiresiwn) [Υπουργειο Κλιματικης Κρισης και Πολιτικης Προστασιας](https://tendernation.io/buyers/ypoyrgheio-klimatikis-krisis-kai-politikis-prostasias)

    £1,904

    13 Nov 2025

## Who they win from

- [Υπουργειο Κλιματικης Κρισης και Πολιτικης Προστασιας 2 wins](https://tendernation.io/buyers/ypoyrgheio-klimatikis-krisis-kai-politikis-prostasias)
- [Δημοτικη Επιχειρηση Υδρευσης Αποχετευσης Ναυπλιου (Δ.Ε.Υ.Α.Ν.) 1 win](https://tendernation.io/buyers/dimotiki-epikheirisi-ydrefsis-apokhetefsis-nauplioy-deyan)

## What they win

- [Repair & maintenance services](https://tendernation.io/sectors/repair-maintenance) 2
- [Transport equipment & vehicles](https://tendernation.io/sectors/transport-equipment-vehicles) 1

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