The Aperlena Verdict
Open raceNo supplier dominates: 13 different companies have won the last 13 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 13 comparable awards by this buyer in this sector over 5 years. Every verdict is recorded before the outcome and graded against the award notice. How we score ourselves.
Summary
Machine-generated summaryThe state enterprise BLB NRW, branch Bonn, site Cologne, is procuring roof waterproofing works on an annex of Building 670 at the Air Force Barracks Cologne Wahn. The building is used for storing goods and parking vehicles. Works include erecting and dismantling a work and protective scaffold for 4 weeks, a perimeter safety net, lightning protection, cleaning about 315 m2 of roof surface, applying a bitumen emulsion primer, and torch welding a single layer roof waterproofing over about 325 m2. Applications by email to bb.einkauf@blb.nrw.de by 28 July 2026, 12:00. Non pre-qualified firms must submit a self-declaration of suitability (Form 124 or EEE).
Description
Official source
Source: Vergabemarktplatz NRW (open data satellites)
Always verify details on the official notice.
Last verified against Vergabemarktplatz NRW (open data satellites) 1 month ago
More from this buyer
Full buyer profile59 open tenders right now
- Construction works - BLB NRW / General Field Marshal Rommel Barracks Augustdorf / New staff building 222 / plumbing and facade works 1 day left
- BLB NRW BB / TGdB Wesel / Construction programme / Electrical installations / 080-26-00650 8 days left
- Site setup - BLB NRW / NL BB / Glueckauf Barracks Unna (WB7716) / New construction of a central armoury building / Site setup 11 days left
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| Keskin Fensterbau GmbH | 1 | €899,764 | Jun 2026 |
| Janssen Metallbau GmbH | 1 | €669,212 | Aug 2026 |
| Austermann GmbH | 1 | n/a | Jul 2026 |
| Blaufuß & Behring | 1 | n/a | Aug 2026 |
| Borcherding Stahlbau GmbH & Co. KG | 1 | n/a | Aug 2026 |
Based on 13 awards with a linked company profile over the last 5 years.
Similar tenders
Market context
- Avg. open tender · Construction work
- €31,657,565
- Buyer track record on Aperlena
- 315 notices tracked · 85 awarded
- €1,849,226 in awarded contracts
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