The database of public procurement

116,332 companies72,724 contracting authorities2,567 BoQs with a specified brand27,690 planning offices366,582 awardsAwards up to 3 Oct 2026

Contracting authority

Eniwa AG

Eniwa AG has awarded 22 contracts to 19 companies since 2020, most often to Aarvia Bau AG (3) (as of 4 Oct 2026).

As of: · Source: official notices (Datenservice Öffentlicher Einkauf, CC0), EU Official Journal (TED) and procurement portals · How we count

Buchstenders EU-wide since 2020
11
tenders in the database
22
awards to 19 companies
3.8
bids per award on average, 21 stating the number
0
lots open for bids

Tenders since 2020

2020, EU Official Journal (TED): 1 tender120202021, EU Official Journal (TED): 1 tender1202102022020232024, Portals: 1 tender120242025, Portals: 6 tenders620252026, Portals: 4 tenders42026
EU Official Journal (TED) 2Portals 11

By year of publication, each notice once. Up to 2023 from the EU Official Journal (TED, only above the EU thresholds, buyer key “eniwa”), from 2024 from the DÖE, so that nothing in 2022 and 2023 is counted twice. Portals: open tenders from procurement portals beyond the DÖE, since 23 Sep 2026. The current year is incomplete.

Lots per quarter, 12 quarters

Q1/2024: 0 lots0Q1/2024Q2/2024: 0 lots0Q2/2024Q3/2024: 1 lot1Q3/2024Q4/2024: 1 lot1Q4/2024Q1/2025: 1 lot1Q1/2025Q2/2025: 8 lots8Q2/2025Q3/2025: 4 lots4Q3/2025Q4/2025: 2 lots2Q4/2025Q1/2026: 1 lot1Q1/2026Q2/2026: 1 lot1Q2/2026Q3/2026: 3 lots3Q3/2026Q4/2026: 0 lots0Q4/2026

All stages, by quarter of publication.

Who wins here

CompanyTradeAwardsVolumeLatest
Aarvia Bau AGWürenlingenCivil engineering, earthworks, Road construction313 Jun 2025
Bilfinger Industrial Services GmbHWelsSewer and pipeline construction21 Feb 2022
Brugg Kabel AGBrugg AGOther111 Jun 2026
Nexans Suisse SACortaillodOther111 Jun 2026
HAMEDAN KOMMUNALTECHNIK AGDiepflingenOther114 Nov 2025
Schneider Electric (Schweiz) AGGümligenOther18 Oct 2025
GE Grid (Switzerland) GmbHOberentfeldenOther129 Aug 2025
Hitachi Energy AGZürichOther129 Aug 2025
Equans Switzerland AGAarauHeating, ventilation, plumbing18 Aug 2025
Robotron Schweiz GmbHWil SGOther114 May 2025
APACO AGGrellingenOther18 Apr 2025
Implenia Schweiz AGGlattpark (Opfikon)Building shell16 Mar 2025

19 companies with 22 awards across the whole record of this authority.

The network of this authority

Wins herePlans hereAarvia Bau AG3Aarvia Bau AG, Würenlingen: 3Bilfinger Industrial Services GmbH2Bilfinger Industrial Services GmbH, Wels: 2Brugg Kabel AG1Brugg Kabel AG, Brugg AG: 1Nexans Suisse SA1Nexans Suisse SA, Cortaillod: 1HAMEDAN KOMMUNALTECHNIK AG1HAMEDAN KOMMUNALTECHNIK AG, Diepflingen: 1Eniwa AG32 lotsnone

Winners from the award notices, planning offices from the office register.

Bids per trade

Pro · Mean, median and sole bidders per trade
Across all awards of this authority that state the number of bids. See everything with Pro

How many bids an award of this authority had. The figure that tells you whether a bid is worth it.

Open tenders

No tender of this authority is still open for bids today.

Latest lots

DateLotStageValue
3 Aug 2026Neubau Unterwerk Aarau – SpülbohrungSource (Procurement portal)Tender
20 Jul 2026Neubau Unterwerk Aarau – WerkleitungenSource (Procurement portal)Tender
10 Jul 2026145-kV-Kabelanlage für das Unterwerk Aarau, Erlinsbacherstrasse 65, 5000 AarauSource (Procurement portal)Tender
13 Jun 2026GKN-Kabel (NS)Source (Procurement portal)Award
24 Mar 2026EZ Telli RohrleitungsbauSource (Procurement portal)Tender
18 Nov 2025Beschaffung Kommunalfahrzeug mit Brücke und LadekranSource (Procurement portal)Award
15 Oct 202524-kV-Schaltanlage für das Unterwerk Aarau, Erlinsbacherstrasse 65, 5000 AarauSource (Procurement portal)Award
2 Sep 2025145-kV-GIS-Schaltanlage für das Unterwerk Aarau, Erlinsbacherstrasse 65, 5000 AarauSource (Procurement portal)Award
2 Sep 2025Unterwerk Aarau, zwei 40MVA-Transformatoren, Erlinsbacherstrasse 65 in 5000 AarauSource (Procurement portal)Award
9 Aug 2025EZ Entfelden, Heizung und SanitärSource (Procurement portal)Award
10 Jul 2025Unterwerk Aarau, Erlinsbacherstrasse 65, 5000 Aarau/BKP271.0 GipserarbeitenSource (Procurement portal)Tender
25 Jun 2025Aarau-Rohr IO; K244 (Hauptstrasse) Werkleitungs- / Strassenbau 2. EtappeSource (Procurement portal)Award
24 Jun 2025Unterwerk Aarau, Erlinsbacherstrasse 65, 5000 Aarau / BKP 201 AushubSource (Procurement portal)Tender
24 Jun 2025Unterwerk Aarau, Erlinsbacherstrasse 65, 5000 Aarau / BKP 211 BaumeisterSource (Procurement portal)Tender
24 Jun 2025Unterwerk Aarau, Erlinsbacherstrasse 65, 5000 Aarau / BKP 221.4 Fenster AluSource (Procurement portal)Tender
24 Jun 2025Unterwerk Aarau, Erlinsbacherstrasse 65, 5000 Aarau / BKP 221.61 Tore aus MetallSource (Procurement portal)Tender
24 Jun 2025Unterwerk Aarau, Erlinsbacherstrasse 65, 5000 Aarau / BKP 421 UmgebungsarbeitenSource (Procurement portal)Tender
15 May 2025Beschaffung und Implementierung EDM-VertriebSource (Procurement portal)Award
12 Apr 2025Gaskessel 1 x 5 MW inkl. Abgasanlage und KaminSource (Procurement portal)Award
13 Mar 2025Baumeisterarbeiten Energiezentrale EntfeldenSource (Procurement portal)Award

The 20 most recent lots of all stages in the last 12 quarters. Prior information means planning, no tender yet; archive means past.

Questions and answers

How many contracts has Eniwa AG awarded?

Eniwa AG has awarded 22 contracts to 19 companies since 2020. On average there were 3.8 bids per award, counted over 21 awards that state the number.

Which companies win most often at Eniwa AG?

Most awards went to Aarvia Bau AG (3), Bilfinger Industrial Services GmbH (2) and Brugg Kabel AG (1). In total, 19 companies have won an award here.

What does Eniwa AG put out to tender?

By CPV division, the most recent tenders mainly concern “Construction work” (11), “Electrical equipment” (1) and “IT services” (1). The database holds 11 tenders of this authority.

Does Eniwa AG have open tenders?

On 4 Oct 2026, no tender of this authority was open for bids.