Wohnbau Mainz GmbH: tenders, sectors & how to win their contracts

Wohnbau Mainz GmbH has published 50 tenders in Germany.

Its buying spans 2 CPV divisions, most often construction work.

Across 41 awarded contracts the median value is €246.9k.

Its published awards total €25.1m.

How to win their contracts

Measured from Wohnbau Mainz GmbH's own published record — no estimates, no generic advice.

Plan for about 32 days to prepare a bid — that is the median gap between publication and deadline across 7 of their tenders.
They publish about 4.0 tenders a month, measured over 2 months of history.
Half of their 41 awarded contracts are worth €246.9k or less — size your bid to that range.
Most of their buying falls in construction work, sewage, refuse, cleaning and environmental services.
Their most frequent suppliers are Rohde GmbH & Co. KG (2), Züblin Haustechnik Mainz GmbH (2) — expect to bid against incumbents who already know this buyer.

Tender	Winner	Tender closed	Contract Value
CCCXXXIII-9-2025-BM-An der Wiese-Kunststofffenster	fenStarsKlein, Caspari & Co. GmbH	8 July 2026	€806.1k
CCCXXXIII-8-2026-BM-An der Wiese-Dachabdichtung	REFA Dachbau GmbH	7 July 2026	€1.2m
CCCXXXIII-7-2025-BM-An der Wiese-TRB	PAM-Trockenbau	7 July 2026	€231.2k
CCCXXXIII-6-2025-BM-An der Wiese-Gerüstbau	Tosun Gerüstbau GmbH	6 July 2026	€127.7k
CCCLXIX-1-2026-BM-ADP-Abbruch	TG-Umwelttechnik GmbH	1 July 2026	€246.9k
CLXXXIX-63-2020-KBB-BM-Bodenbelagsarbeiten	KNS GmbH Pater-Delp.-Str. 5 68519 Viernheim	-	€272.1k

Supplier	Contracts	Total Value
Rohde GmbH & Co. KG	2	€1.4m
Züblin Haustechnik Mainz GmbH	2	€703k