The database of public procurement

124,369 companies69,545 contracting authorities2,220 BoQs with a specified brand26,228 planning offices385,390 awardsAwards up to 1 Oct 2026

Contracting authority

Samtgemeinde Sittensen

Samtgemeinde Sittensen has awarded 9 contracts to 9 companies since 2022 (as of 1 Oct 2026).

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

Sittensen, Lower Saxonytenders EU-wide since 2018Day care centre
75
tenders in the database
9
awards to 9 companies
7.3
bids per award on average, 3 stating the number
0
lots open for bids

Tenders since 2018

2018, EU Official Journal (TED): 2 tenders220180201902020020212022, Portals: 11 tenders1120222023, EU Official Journal (TED): 3 tenders320232024, DÖE: 10 tenders1020242025, DÖE: 3 tenders320252026, DÖE: 3 tenders32026
EU Official Journal (TED) 5DÖE 16Portals 11

By year of publication, each notice once. Up to 2023 from the EU Official Journal (TED, only above the EU thresholds, buyer key “samtgemeinde sittensen”), 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: 4 lots4Q1/2024Q2/2024: 4 lots4Q2/2024Q3/2024: 1 lots1Q3/2024Q4/2024: 4 lots4Q4/2024Q1/2025: 2 lots2Q1/2025Q2/2025: 1 lots1Q2/2025Q3/2025: 1 lots1Q3/2025Q4/2025: 0 lots0Q4/2025Q1/2026: 1 lots1Q1/2026Q2/2026: 2 lots2Q2/2026Q3/2026: 6 lots6Q3/2026Q4/2026: 0 lots0Q4/2026

All stages, by quarter of publication.

Who wins here

CompanyTradeAwardsVolumeLatest
Planungsgesellschaft Hildesheim GmbHHildesheimPlanning1€994,75116 Sep 2026
HADI Haustechnik GmbHHeating, ventilation, plumbing123 Sep 2026
Jacobsen BedachungenRoofing, sheet metal124 Aug 2026
Marco Nack GmbHBuilding shell113 Aug 2026
MenkeBuilding shell113 Aug 2026
KG Hansa Baustahl Handelsges. mbH & Co.Other17 Apr 2026
Lüneburger Wach- und Schließgesellschaft mbHHamburgOther114 Feb 2025
Bechtle GmbHHannoverOther120 Feb 2024
Pütting Sonderfahrzeuge GmbHReesOther14 Apr 2023

9 companies with 9 awards across the whole record of this authority.

The network of this authority

Wins herePlans herePlanungsgesellschaft Hildesheim G…1Planungsgesellschaft Hildesheim GmbH, Hildesheim: 1HADI Haustechnik GmbH1HADI Haustechnik GmbH: 1Jacobsen Bedachungen1Jacobsen Bedachungen: 1Marco Nack GmbH1Marco Nack GmbH: 1Menke1Menke: 1Planungsgesellschaft Hildesheim m…1Planungsgesellschaft Hildesheim mbH, Hildesheim: 1Samtgemeinde Si…89 lots

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

Open tenders

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

Latest lots

DateLotStageValue
28 Sep 2026Vergabe von GeneralplanungsleistungenBaths, swimming pool · NoticeAward€994,751
23 Sep 2026Sanitär-Heizung-LüftungsanlagenSource (Procurement portal)Award
24 Aug 2026DachdeckerarbeitenSource (Procurement portal)Award
13 Aug 2026ZimmererarbeitenSource (Procurement portal)Award
13 Aug 2026RohbauarbeitenSource (Procurement portal)Award
11 Jul 2026Straßenbau, Kanalbau, Erdarbeiten (Mensa GS Sittensen)School · NoticeTender
21 May 2026Unterhaltsreinigung (Kita Unterm Regenbogen)Day care centre · NoticeTender
7 Apr 2026Lieferung von ContainermodulanlagenSource (Procurement portal)Award
22 Feb 2026Vergabe von GeneralplanungsleistungenBaths, swimming pool · NoticeTender
17 Sep 2025Bankettarbeiten Ortsverbindungsstraße Wohnste-Vierden (SG Sittensen)NoticeTender
13 May 2025Unterhaltsreinigung (Kita Weltentdecker)Day care centre · NoticeTender
26 Mar 2025Transport und Verwertung von KlärschlammNoticeTender
16 Feb 2025Bewachung der FlüchtlingsunterkunftNoticeAward
6 Dec 2024Bewachung der FlüchtlingsunterkunftNoticeTender
16 Nov 2024Endausbau Hamersbruch B-Plan Nr. 6 HamersenNoticeTender
8 Nov 2024Bewachung der FlüchtlingsunterkunftNoticeTender
19 Oct 2024Parkplatz und Zufahrt Kita WohnsteDay care centre · NoticeModification
10 Aug 2024Transport und Verwertung von KlärschlammNoticeTender
28 Jun 2024Lieferung und Bereitstellung einer ZeitwirtschaftslösungNoticeModification
7 Jun 2024Erneuerung Prozessleitsystem (Modernisierung Kläranlage Sittensen)NoticeTender

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 Samtgemeinde Sittensen awarded?

Samtgemeinde Sittensen has awarded 9 contracts to 9 companies since 2022. On average there were 7.3 bids per award, counted over 3 awards that state the number.

Which companies win most often at Samtgemeinde Sittensen?

Most awards went to Planungsgesellschaft Hildesheim GmbH (1), HADI Haustechnik GmbH (1) and Jacobsen Bedachungen (1). In total, 9 companies have won an award here.

What does Samtgemeinde Sittensen put out to tender?

By CPV division, the most recent tenders mainly concern “Sewage, waste, cleaning” (7), “Construction work” (4) and “Software” (4). The database holds 75 tenders of this authority.

Which planning offices work for Samtgemeinde Sittensen?

In the last twelve quarters, planning contracts went mainly to Planungsgesellschaft Hildesheim mbH (1).