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The database of public procurement

110,873 companies69,708 contracting authorities2,521 BoQs with a specified brand27,371 planning offices352,370 awardsAwards up to 2 Oct 2026

Contracting authority

LBB Niederlassung Mainz

LBB Niederlassung Mainz has awarded 14 contracts to 13 companies, most often to Käuffer & Co. GmbH (2) (as of 2 Oct 2026).

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

Mainz, Rhineland-Palatinatetenders EU-wide since 2006Hospital, care
33
tenders in the database, plus 24 from the archive
14
awards to 13 companies
5
bids per award on average, 12 stating the number
2
lots open for bids

Tenders since 2006

2006, EU Official Journal (TED): 44 tenders44’062007, EU Official Journal (TED): 31 tenders31’072008, EU Official Journal (TED): 27 tenders27’082009, EU Official Journal (TED): 25 tenders25’090’102011, EU Official Journal (TED): 21 tenders2011, Archive (Wayback, gazettes): 1 tender22’112012, EU Official Journal (TED): 3 tenders2012, Archive (Wayback, gazettes): 1 tender4’122013, EU Official Journal (TED): 6 tenders6’132014, EU Official Journal (TED): 36 tenders2014, Archive (Wayback, gazettes): 1 tender37’142015, EU Official Journal (TED): 14 tenders14’152016, EU Official Journal (TED): 6 tenders2016, Archive (Wayback, gazettes): 17 tenders23’162017, EU Official Journal (TED): 14 tenders2017, Archive (Wayback, gazettes): 2 tenders16’172018, Archive (Wayback, gazettes): 2 tenders2’182019, EU Official Journal (TED): 17 tenders17’192020, EU Official Journal (TED): 28 tenders28’202021, EU Official Journal (TED): 26 tenders26’212022, EU Official Journal (TED): 12 tenders12’222023, EU Official Journal (TED): 17 tenders17’232024, DÖE: 10 tenders10’242025, DÖE: 10 tenders10’252026, DÖE: 9 tenders2026, Portals: 1 tender10’26
EU Official Journal (TED) 327Archive (Wayback, gazettes) 24DÖE 29Portals 1

By year of publication, each notice once. Up to 2023 from the EU Official Journal (TED, only above the EU thresholds, buyer key “lbb niederlassung mainz”), 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. Archive: national tenders from snapshots of the portals in the Internet Archive and from official gazettes, all in the past; an EU-wide procedure can appear there and in TED. The current year is incomplete.

Lots per quarter, 12 quarters

Q1/2024: 3 lots3Q1/2024Q2/2024: 0 lots0Q2/2024Q3/2024: 2 lots2Q3/2024Q4/2024: 6 lots6Q4/2024Q1/2025: 3 lots3Q1/2025Q2/2025: 6 lots6Q2/2025Q3/2025: 1 lot1Q3/2025Q4/2025: 1 lot1Q4/2025Q1/2026: 1 lot1Q1/2026Q2/2026: 12 lots12Q2/2026Q3/2026: 5 lots5Q3/2026Q4/2026: 0 lots0Q4/2026

All stages, by quarter of publication.

Who wins here

CompanyTradeAwardsVolumeLatest
Käuffer & Co. GmbHMainzHeating, ventilation, plumbing2€669,7353 Aug 2026
Wesemann GmbHSykeFurniture, furnishings1€2,072,50026 Aug 2011
Siemens AGMainzBuilding services, other1€1,221,3961 Aug 2024
MARIOFF GmbHHoppegartenBuilding services, other1€834,4687 Sep 2011
Apleona Wolfferts GmbHMannheimHeating, ventilation, plumbing1€691,7719 Dec 2024
Maxeiner GmbHNastättenHeating, ventilation, plumbing1€571,42526 Feb 2024
Andrei Pitkowski GmbHMainzFacades, windows1€367,3461 Oct 2025
Peschke Elektro- und DatentechnikHaanBuilding shell1€348,3547 Sep 2011
Rud. Otto MeyerTrierHeating, ventilation, plumbing1€317,37513 Aug 2025
Huhle Stahl- und Metallbau GmbHWiesbadenMetalwork1€217,02331 Aug 2026
Hees Gerüstbau GmbHGroß- BieberauScaffolding1€124,54611 Aug 2025
M.S. Isotech GbRKorbachHeating, ventilation, plumbing1€70,14426 Aug 2011

13 companies with 14 awards across the whole record of this authority.

The network of this authority

Wins herePlans hereKäuffer & Co. GmbH2Käuffer & Co. GmbH, Mainz: 2Wesemann GmbH1Wesemann GmbH, Syke: 1Siemens AG1Siemens AG, Mainz: 1MARIOFF GmbH1MARIOFF GmbH, Hoppegarten: 1Apleona Wolfferts GmbH1Apleona Wolfferts GmbH, Mannheim: 1LBB Niederlassu…99 lotsnone

Wins here

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

DeadlineLotStageValue
today2 Oct 202626A0270 (LBB NL Mainz) Johannes Gutenberg Universität Mainz / Doppelturnhalle Dahlheimer Weg 14, Folierung VogelschutzSports hall · Source (Procurement portal)Tender
13 days15 Oct 202626E0210 (NL Mainz) Gästehaus der Landesregierung, Bastei , Renovierung Modernisierung Optimierung- Putz- und Anstricharbeiten außenNoticeTender

From the DÖE and from procurement portals beyond the DÖE, deadline from today (2 Oct 2026). The source link leads to the notice or portal page.

Latest lots

DateLotStageValue
17 Sep 202626A0270 (LBB NL Mainz) Johannes Gutenberg Universität Mainz / Doppelturnhalle Dahlheimer Weg 14, Folierung VogelschutzSports hall · Source (Procurement portal)Tender
15 Sep 202626E0210 (NL Mainz) Gästehaus der Landesregierung, Bastei , Renovierung Modernisierung Optimierung- Putz- und Anstricharbeiten außenNoticeTender
6 Sep 202626E0107 (LBB NL Mainz) Gästehaus der Landesregierung, Bastei Renovierung Modernisierung Metallbau- und SchlosserarbeitenNoticeAward€217,023
5 Aug 202626E0164 (LBB NL Mainz) Gästehaus der Landesregierung, Bastei Renovierung Modernisierung Optimierung Heizung u. SanitärNoticeAward€356,123
22 Jul 202626E0163 Gästehaus der Landesregierung, Bastei Renovierung Modernisierung OptimierungNoticeAward€313,611
25 Jun 202626E0107 (LBB NL Mainz) Gästehaus der Landesregierung, Bastei Renovierung Modernisierung Metallbau- und SchlosserarbeitenNoticeTender
25 Jun 202626E0101 (LBB NL Mainz) Gästehaus der Landesregierung, Bastei Renovierung Modernisierung / Maurer,- Beton- und StahlarbeitenNoticeTender
21 Jun 202626E0101 (LBB NL Mainz) Gästehaus der Landesregierung, Bastei Renovierung Modernisierung / Maurer,- Beton- und StahlarbeitenNoticeTender
5 Jun 202626E0107 (LBB NL Mainz) Gästehaus der Landesregierung, Bastei Renovierung Modernisierung Metallbau- und SchlosserarbeitenNoticeTender
24 May 202626E0114 (LBB NL Mainz) Gästehaus der Landesregierung, Bastei Renovierung Modernisierung FensterarbeitenNoticeTender
7 May 202626E0163 Gästehaus der Landesregierung, Bastei Renovierung Modernisierung OptimierungNoticeTender
7 May 202626E0164 (LBB NL Mainz) Gästehaus der Landesregierung, Bastei Renovierung Modernisierung Optimierung Heizung u. SanitärNoticeTender
22 Apr 202622E0483 (LBB NL Mainz) JoGU Mainz / Montage GebäudeautomationNoticeAward€1,221,396
22 Apr 202622E0142 (LBB NL Mainz) Hochschule Worms Stammgelände - Ersatzneubau Geb. G / Errichtung Lüftungs- und KälteanlagenUniversity · NoticeAward€691,771
21 Apr 202625E0143 (NL MZ) Universitätsmedizin der Joh. Gutenberg Universität Mainz Unimed Neubau Geb. 308D HI-TRON WärmeverbundsystemHospital, care · NoticeAward€367,346
16 Apr 202625E0142 (NL MZ) Universitätsmedizin der Joh. Gutenberg Universität Mainz Unimed Neubau Geb. 308D HI-TRON HeizungstechnikHospital, care · NoticeAward€317,375
16 Apr 202625E0134 (LBB NL MZ) Universitätsmedizin der Joh. Gutenberg Universität Mainz, Neubau Geb. 308D HI-TRONHospital, care · NoticeAward€124,546
28 Feb 202626E0013 (LBB NL Mainz) Kurmainz Kaserne Mainz - Neubau WiGeb. VT300 + Betr, Typ 1- TotalunternehmerleistungAdministration, office · NoticeTender
7 Nov 202522E0030 (LBB NL Mainz) JoGU Mainz, Sanierung u. Umnutzung SB 2/4 - BodenbelagsarbeitenNoticeAward€2,783,226
1 Aug 202522E0030 (LBB NL Mainz) JoGU Mainz, Sanierung u. Umnutzung SB 2/4 - BodenbelagsarbeitenNoticeTender

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 LBB Niederlassung Mainz awarded?

LBB Niederlassung Mainz has awarded 14 contracts to 13 companies. On average there were 5 bids per award, counted over 12 awards that state the number.

Which companies win most often at LBB Niederlassung Mainz?

Most awards went to Käuffer & Co. GmbH (2), Wesemann GmbH (1) and Siemens AG (1). In total, 13 companies have won an award here.

What does LBB Niederlassung Mainz put out to tender?

By CPV division, the most recent tenders mainly concern “Construction work” (344), “CPV 74” (4) and “CPV 28” (3). The database holds 33 tenders of this authority.

Does LBB Niederlassung Mainz have open tenders?

On 2 Oct 2026, 2 lots of this authority were open for bids.