How long a public sector tender really takes
The honest answer is that the law tells you the floor, not the ceiling. The Procurement Act 2023 sets minimum periods a buyer must give you, and those minimums are shorter than the calendar you should actually plan around. A buyer can legally run an open tender in a few weeks. In practice, from the day the notice appears to the day you sign a contract and start work, most SME bidders should budget somewhere between two and four months, and longer on complex frameworks.
We say this to clients at JGP for one commercial reason: the timeline is a cash flow question before it is a bid-writing question. If you win, you may not invoice for months. If you plan capacity around the notice date and forget the standstill and mobilisation, you will overcommit. Here is where the time actually goes.
The stages that eat the calendar
A competitive procurement under the Act moves through a fixed sequence, and each step has its own clock.
It starts with a tender notice, what used to be called a contract notice, published on Find a Tender to invite bids. From there you get a set number of days to prepare and submit. The buyer then evaluates, which is the stage with the least published certainty and the most real-world drift. Once they have a winner they send an assessment summary explaining the score to every supplier whose tender was actually assessed, and only then publish the contract award notice. Then a mandatory standstill period runs before anyone can sign. After signature, the buyer has to publish a contract details notice within a set window, and only then does mobilisation begin.
Three of those steps have hard statutory day-counts you can plan against. The rest are where buyers lose weeks.
The minimum time you get to write your bid
Under the Act, the buyer must allow a minimum tendering period, and how long depends on two things: whether you can submit electronically, and whether all the tender documents were published at the same time as the notice.
Where tenders can be submitted electronically and the buyer released all the associated documents at the same time as the tender notice, the minimum is 25 days. Where one of those two conditions is missing, it rises to 30 days. Where electronic submission is not possible and the documents were not all released together, it is 35 days. For the competitive flexible procedure, there is also a minimum period of 25 days to respond to a request to participate before the tendering stage proper.
Those minimums can be cut to as little as 10 days in several defined situations, the three you are most likely to meet being where the buyer published a qualifying planned procurement notice in advance (a sort of early warning shot), where there is a genuine state of urgency, or where the award runs off a dynamic market. If you see a 10-day window, that is usually why.
All of these are day-count floors. A buyer running a large works framework will often give you six to eight weeks because the response is too big to compile in 25 days, not out of generosity.
The standstill period, and why you should care about it
Once the contract award notice is published, the Act requires a mandatory standstill period of 8 working days before the buyer can enter into the contract. Working days here means every day except Saturdays, Sundays and days that are a bank holiday in any part of the United Kingdom, so a standstill running over an August bank holiday is longer in calendar terms than it looks. The mandatory standstill does not apply at all to call-offs under a framework, awards by reference to a dynamic market or light touch contracts, though the buyer may still offer a voluntary standstill in the award notice.
This is not dead time. The standstill exists so that a bidder who thinks the decision was wrong can act before the contract is signed and becomes far harder to unpick. Your assessment summary will already be with you by the time it starts, because the Act requires it to go out before the award notice is published. If you lost narrowly, the standstill is when you read the summary properly, ask the buyer a sharp clarification question about the scoring, and decide whether there is anything worth challenging. We cover what to do with a weak debrief in our piece on getting real value from tender feedback; the standstill is the clock you are working against when you do it.
For context, this replaced the old Public Contracts Regulations 2015 position, where the standstill ran to midnight at the end of the 10th day after the decision notice was sent to bidders, in calendar days. The move to 8 working days from the day the award notice is published changed two things at once: the type of day counted, and the event the clock starts from. It reads as a smaller number and works as a different rule.
After you win: the bit people forget
Winning is not signing, and signing is not starting. After the standstill the buyer signs, then has to publish a contract details notice within 30 days of entering into the contract. Mobilisation, TUPE where staff transfer, insurances, DBS checks, mobilising a site team, all of that sits after signature and before you deliver a single day of the service. On a two-year contract that mobilisation can run four to eight weeks, and you are usually carrying the cost of it before the first invoice clears.
This is the part that catches smaller firms. The bid took six weeks, the evaluation took another six, and now there is a two-month gap between “we won” and “we get paid”. Budget for it.
Where the published timetable slips
The statutory minimums are the parts that run on time. The parts that overrun are the ones with no fixed clock:
- Clarifications. If the specification is ambiguous and bidders file questions,
the buyer often extends the deadline to answer them fairly, pushing everyone back a week or two.
- Evaluation and moderation. Scores go to moderators who reconcile marks and hunt
for justifications that do not match the score. On a large panel this takes far longer than buyers plan, and it is the single most common source of slippage we see.
- Internal sign-off. A cabinet decision, a board approval or a spending-control
gate can add weeks between “evaluation finished” and “award notice published”.
None of that appears in the published timetable, and all of it is why a procurement advertised as a ten-week process routinely lands closer to four months.
Below threshold and framework call-offs are quicker
Not everything runs the full course. Below-threshold contracts fall under Part 6 of the Act and carry lighter rules, so a buyer can move faster and with less formality. Call-offs from an existing framework sit outside the statutory tendering periods altogether, and awards through a dynamic market drop to a 10-day minimum, because the heavy lifting was done when the framework or market was set up. If you need work sooner, these routes are worth targeting precisely because their clock is shorter.
Our view
Treat the notice date as the start of a longer race than the buyer’s timetable suggests, and never plan cash flow around the submission deadline. The statutory minimums (25 to 35 days to bid, 8 working days of standstill, 30 days to the contract details notice) are the reliable parts. The evaluation gap and the mobilisation gap are the expensive parts, and they are the ones no notice tells you about. When we help clients pick which tenders to chase, the realistic end-to-end calendar is part of the bid or no-bid call, not an afterthought once they have won. Plan for the four months, be pleasantly surprised by the ten weeks.
If you want the notice-to-award timeline mapped against your own cash position before you commit to a bid, that is exactly the sort of question our tender finder and procurement advice service exists to answer.