The rules of the market — measured, not claimed.

1 · New tenders arrive in the morning — and on Fridays

Friday is the strongest publication day (21% of open tenders), while the weekend is nearly empty at 4%. And where the portals record a time of day, 83% of the daily inflow lands before 1 p.m. — portals publish to the beat of their overnight batches and mornings.

What follows: a morning check sees practically the whole day. If you stop looking on Fridays, you miss the strongest batch of the week and lose the weekend as preparation time. That is exactly why our morning edition arrives at 7:30 — after the portals' overnight runs, before your first meeting.

2 · How much time you have depends on the country

Between publication and submission deadline, the German median is 32 days — 18 in Poland, 48 in the Netherlands. The same single market, four times as much time. Cross-border bidders need a different reflex per country: in Poland the first week decides, in the Netherlands the more thorough preparation wins.

Bidding window = deadline minus publication, open tenders; framework agreements and systems with windows above 200 days excluded. Only countries with more than 300 measurable procedures.

3 · Your real deadline is Friday noon

29% of all deadlines fall on a Monday — 2.2 times the quietest weekday (Wednesday). Where the buyer has stated a time of day, 37% of them expire before noon.

What follows: with a Monday deadline, the last real working day is Friday. If a certificate or a guarantee is still missing on Friday afternoon, all you have left is the weekend. Schedule your internal bid review for Thursday — then every Monday deadline reaches you with a working day of buffer instead of an hour too late.

4 · The year has a rhythm

December is the strongest month (1,075,139 notices over the last two years), August the weakest (709,193). And December, at 1,075,139, ranks among the strongest — that is year-end budget money: whatever is not committed by New Year's Eve expires.

What follows: the summer lull is preparation time — refresh your evidence, write up references, renew certificates. Clean house in August and you can bid in September and December while your competitors are still sorting papers.

Deep dive: certificates

The most common “not met” in a selection-criteria check is a missing certificate — and that is not a permanent state, it is an investment with a known lead time. What ISO 9001, 14001, 27001 and the rest mean, how many open procedures require them right now and what obtaining them typically costs: the certificate guide.

And the most common reason not to bid at all is a rumour: Do I need a limited company? No.

How to find public tenders — country by country

How to apply — portal by portal · EU thresholds 2026 · All selection criteria explained · German portals by federal state · Tender search services compared · below-threshold procurement in Europe

Look it up: the vocabulary

What separates a below-threshold contract from an EU-wide one, when the UVgO, the VgV or the VOB/A applies, where the line runs between selection and award criteria: every term with a definition in two or three sentences and, where measurable, a figure from our own corpus — the procurement glossary.

5 · The market repeats itself — use that

54 to 62% of buyer-and-category pairs that purchased in one year purchase again the following year (measurement). That is why every tender page shows the buyer's purchasing rhythm and the past winners: whoever knows the cycle prepares before the notice appears — while the competition is only starting to read.