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Replacement of existing lighting fixtures in building AR-NA
Austausch der Bestandsleuchten im Gebäude AR-NA — original title
Your path to submission
- Deadline: 23 November at 11:00 — 22 days left.
- You submit on evergabe.NRW — not here and not by e-mail. ↗ Free bidder account on the cosinex platform required (created instantly); offers go through the bidding tool, usually plain text form suffices — no qualified signature. Sort out account and signature first — not on submission day.
- Collect your evidence — the eligibility requirements are listed on this page; for many of them the analysis explains how to obtain them.
What the buyer is looking for
At the Adolf Reichwein Campus of the University of Siegen, a total of 800 existing luminaires will be replaced in the AR-NA building. The existing recessed luminaires with fluorescent tubes are to be replaced by energy-efficient LED recessed luminaires. The subject of this invitation to tender is the supply of brand new LED special luminaires or precisely fitting recessed luminaires, including all components required for complete function and assembly. The existing ceiling cut-out must be completely covered by the offered luminaire. Marketable series products or luminaires specially manufactured for the specified installation space are permitted.
Contract
Type of service
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every 2 months (24 awards, most recently March 2026) — by that rhythm the next award was due around May 2026. The last award went to SIEMENS AG.n = 24
- 59% of this buyer's awards went to companies that had already won here before (329 awards since 2018, spread over 137 companies). That is well above the sector norm (43%) — newcomers have a harder time here than elsewhere.n = 329 awards since 2018
- 7% of the bids received came from other countries (19 procedures with a bid mix) — all bidders, not just the winners. Sector: 17%.n = 19
- The median procedure drew 2 bids (327 procedures with a bid count); 47% ended with a single bidder. Sector: median 2 bids.n = 327
- 75% of the bids received came from small and medium-sized enterprises (19 procedures with a bid mix). Sector: 59%.n = 19
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 01/11/2026.
Who has won at this buyer so far
Across all contract types of this buyer — not just this sector. A city buys software and fire engines through the same purchasing office.
| Company | Awards | Period |
|---|---|---|
| Fisher Scientific GmbH | 20 | 2025–2026 |
| Medientechnik Thomas GmbH · Siegen | 11 | 2018–2025 |
| Keyence Deutschland GmbH | 10 | 2024–2026 |
| VWR International GmbH · Darmstadt | 10 | 2025–2026 |
| Pfeiffer Vacuum GmbH · Aßlar | 9 | 2025 |
How often this buyer tenders this kind of work
Contracting authority contact
Tactics
When this buyer has awarded in this sector, usually only one or two bids came in. A solid bid has a real chance here. (Based on 25 completed awards — not a statement about this procedure.)
This procedure allows 61 days between publication and deadline — typical in this country is 32 (median of 20,496 procedures). Much more generous than usual — time for a thorough bid rather than a quick one.
The deadline falls on a Monday — your last full working day is the Friday before. Have evidence and guarantees together by Thursday.
Foreign bidders
In Germany · Electrical machinery, 225 contracts went to foreign companies over the last 3 years (of 5,970 recorded awards) — mostly from Italy, Austria, Netherlands.
How to bid
Guide: how to apply on cosinex Vergabemarktplatz / DTVP → Registration, signature, fees — from the operator's bidder manual.
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