Building a tender
The five sections of a tender — basics, specifications, eligibility, budget and publishing — what each is for, and the fields that decide whether bids come back comparable.
A tender is built in five sections. You can fill them in any order and over any number of sittings; nothing is visible to anyone until you publish.
Basics
What you want, and where.
The kind of requirement matters more than it looks. Goods, a service, works, or a composite of them — this sets what bidders expect to be pricing. So does the activity type: a procurement, a consulting engagement, an implementation, or ongoing maintenance are four different commercial conversations.
Then the category and industry, the quantity and unit, and the location — or a mark that the work is remote, in which case location stops mattering.
Quantity and unit, again
The same rule as everywhere else here. A number with no unit cannot be priced, and every bidder will interpret it differently.
Specifications
This is where a tender is won or lost as an instrument.
Specifications are structured fields, not prose. Each one has a name, a value, and a type — a number, a range, a currency amount, a date, a boolean, and so on — with an optional unit and a hint for anyone who might misread it.
That structure is what makes bids comparable. A bidder responding to a field called "Delivery lead time, days" with a number is giving you something you can sort. The same information buried in a covering letter is not.
You can also attach documents — drawings, existing specifications, site photographs — add a short summary of what the specification amounts to, and pull out a handful of key highlights for people scanning.
Eligibility
Who may bid. Its own page, because it is the section that most often decides whether a tender succeeds: Eligibility rules.
Budget
What you are prepared to spend and how you will pay, including whether bidders get to see any of it. See Budget and payment.
Publishing
The timetable and the audience.
When it opens, and when it closes. You can have it close automatically at a stated time, which is the honest option — a deadline that quietly extends while a favoured bidder finishes is the oldest trick in procurement and everybody recognises it.
Public or limited. Public means any eligible business can find and bid on it. Limited narrows the audience. Limited is legitimate — for a specialised requirement, or a shortlist you already trust — but it narrows your prices too.
Writing a specification bidders can price
Before publishing
Read it as a bidder who has never spoken to you. Ask whether you could put a number on it today, and whether you would know what you were committing to.
If not, the bids you get back will be answering a different question from the one you meant to ask.
Overview
Running a tender — what you are actually building, why the eligibility rules are the most consequential thing on the form, and what makes bids comparable rather than merely numerous.
Eligibility rules
Deciding who may bid — bidder type, track record, compliance signals and geography — and why every rule you add is a trade between risk and the number of prices you receive.