The database of public procurement

153,800 companies79,195 contracting authorities2,913 BoQs with a specified brand43,625 planning offices474,970 awardsAwards up to 22 Oct 2026

Company

Trefz GmbH

Trefz GmbH from Wüstenrot-Weihenbronn has been awarded 3 public contracts since 2010, 2 of them EU-wide up to 2021 (as of 22 Oct 2026).

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

71541 Wüstenrot-WeihenbronnFacades, windowsin notices since 2010
2
EU-wide awards 2010 to 2021 from 2 contracting authorities, €1,293,863
1
awards in 1 procedures, since 15 Apr 2010
€535,000
contract value, 1 of 1 stating one
5
bids on average when this company wins; sole bidder 0 times
15 Apr 2010
latest award
1
bids without award, per bidder lists; average rank 3

Awards per year, 2010 to today

2010: 1 award120102021: 1 award12021

Up to 2023 from the EU Official Journal (only contracts above the EU thresholds), from 2024 from the Datenservice Öffentlicher Einkauf and the portals. The current year is incomplete.

Timeline, 36 months

No dated award in the last 36 months.

One dot per award in the month of the notice, sized by value, red when there was only one bid. Click a dot to open the notice.

The network around Trefz

Contracting authoritiesNext door on the siteStadt Ludwigsburg1Stadt Ludwigsburg: 1Trefz GmbH1 awardsnone

Contracting authorities

Contracting authorities and neighbours from the award notices, planners from the office register, brands from the bills of quantities of the tender before the award. Figures are lots.

Competitors

Pro · 5 companies win the same trades with the same authorities
With count, location and latest award, each with a profile. See everything with Pro

Who wins with the 1 most frequent contracting authorities of this company in Facades, windows.

References: recently won

DateLotContracting authorityValueBids
15 Apr 2010Schiller-/Mörike-Gymnasium, FenstererneuerungFacades, windows · Source (Council paper)Stadt Ludwigsburg€535,0005

The 1 most recent of 1. All with Pro.

Bids without award

1 procurement with a bidder list in which this company bid and did not win.

DateProcurementRankOwn bidAwarded to
25 Nov 2015Generalsanierung Goethe-Gymnasium, Verglasungsarbeiten Holz und Holz-AluminiumStadt Ludwigsburg · Source (Council paper)3 of 4€1,089,967+36.9%Gebr. Otto und Heinrich Müller GmbH€795,955

From the bidder lists of procurement portals and council papers (since 23 Sep 2026), matched by company key. The date is the award, otherwise the publication. Rank according to the evaluation; where the list has none (cancellations, papers without evaluation), by price. The gap is measured against the winning bid from the same list; if the list only states the contract sum, no gap is shown.

Bid comparison

WN Süd Kita mit Wohnen und Sporthalle VerglasungsarbeitenStadt Waiblingen · 16 Dec 2021 · 2 bidders · Source (Council paper)
RankBidderBid
1TrefzAwardWüstenrot€882,227
2ohne Namen€982,976+11.4%
Schiller-/Mörike-Gymnasium, FenstererneuerungStadt Ludwigsburg · 15 Apr 2010 · 5 bidders · Source (Council paper)
RankBidderBid
1Trefz GmbHAwardWüstenrot€510,917
2Keller GmbHPleidelsheim€569,854+11.5%
3RosenbergerOberstenfeld€644,523+26.2%
4Strobel GmbHLudwigsburg€660,793+29.3%
5Lillich GmbHMarbach€724,958+41.9%

Bidder lists with prices for awards to this company, from procurement portals and council papers (since 23 Sep 2026). Under each price the gap to the lowest bid.

EU-wide awards 2006 to 2023

2 awards from 2 contracting authorities, €1,293,863 stated. The most frequent:

Siedlungswerk Infrastrukturbau GmbH1
Stadt Waiblingen -FB Hochbau und Gebäudemanagement-1
Pro · All 2 EU-wide awards with contracting authority, value and number of bids
Year, contract, contracting authority, value and bids, each award with its source. See everything with Pro

From the EU Official Journal (TED), matched by company key; subsidiaries are not counted. Listed as “Trefz”, 6.5 bids on average.

Questions and answers

How many public contracts has Trefz GmbH won?

Trefz GmbH has received 1 contract award from public tenders since 2010, most recently on 15 Apr 2010. The notices state a combined value of €535,000. When the company won, there were 5 bids on average. The EU Official Journal also lists 2 EU-wide awards between 2010 and 2021.

Which contracting authorities does Trefz GmbH work for most often?

All awards with a known contracting authority came from Stadt Ludwigsburg (1).

In which trades does Trefz GmbH win public contracts?

Most awards fall under the trade “Facades, windows” (1). The trade is assigned from the CPV code and the title of the lot.