Tender Writer for Construction: What They Do, When to Hire
The short answer
A tender writer turns your method and evidence into answers that score. Hire one when you bid regularly for quality-scored work and nobody in the business has the time or skill.
- Tender writer and bid writer are the same job. Opportunities, pre-qualification, quality answers, compliance and submission.
- Most do not price the job. A tender is lost as easily on a guessed price as on a weak method statement.
- In-house costs a salary. About £26,000 starting to £55,000 experienced (National Careers Service), before employer costs.
- Hire when the volume and the stakes justify it. Regular quality-scored tenders, a framework or one large bid.
A tender writer in construction (also called a bid writer) turns what your company does into answers a buyer can score. That means method statements, programme, health and safety, social value and case studies. Done well, it is the difference between a good contractor who loses and a good contractor who wins.
But writing is only half a tender. The other half is choosing the right tenders and getting the price right. This guide shows what a tender writer does, what they usually do not, and how to tell when hiring one will pay back. Want a second opinion on your next bid? Book a free strategy call.
What a tender writer actually does
The National Careers Service describes the job in plain terms. On a construction tender that means:
- Finds and qualifies opportunities. Researches leads and flags the tenders worth a look.
- Completes pre-qualification. Company information, policies, insurances, accreditations, financials.
- Drafts the quality answers. Method statements, programme narrative, health and safety, quality, social value, case studies, CVs. (Writing them yourself? See how to write a method statement for a tender.)
- Checks compliance. Word limits, format, mandatory documents, the buyer's scoring guide.
- Submits on time and answers clarification questions afterwards.
- Builds a bid library. Tested answers, case studies and evidence, ready for the next tender.
On small bids one person does all of it. On large bids a bid manager runs the timetable, the team and the reviews, and writers produce the answers.
Losing tenders usually starts before the bid. The free 4-minute Construction Business Scorecard shows your weakest area first.
What a tender writer usually does not do
Most tender writers are writers. Few have priced a job or run a site. That leaves gaps you need to cover:
- The price. Labour, materials, subcontract packages, preliminaries, overheads and margin. A tender writer will rarely check these.
- The programme. A Gantt chart that looks neat but cannot be built loses marks with a technical assessor, and money on site if you win.
- The bid/no-bid decision. Chasing every tender spreads you thin. Somebody has to say no to work you cannot win or should not want.
- The contract. Payment terms, retention, damages and amendments are decided before you sign, not after.
Ask any writer you consider: who checks the price and the programme, and who reads the contract?
When hiring one pays back
Hire a tender writer, freelance or in-house, when at least one of these is true:
- You bid for quality-scored work every month and answers are rushed, late or written at night by the owner or the estimator.
- You are going for a framework or a large contract where a few marks decide the result and the contract runs for years.
- You keep losing and never find out why. A fresh, experienced reader with your feedback scores will find the pattern. Start with the 8 reasons contractors lose tenders.
- You have no bid library. Every tender starts from a blank page.
Do not hire one yet if you bid twice a year or the questions are short and simple. The same goes if you cannot yet deliver the size of work you are bidding for. Fix delivery and track record first.
Not sure a bid writer is the answer?
On a free call we look at the tenders you want, your track record and your pricing, and tell you what to fix first.
What changed for public tenders
The Procurement Act 2023 came into force on 24 February 2025. Three points every contractor bidding for public work should know:
| Rule | Figure | Why it matters |
|---|---|---|
| Below-threshold contracts must be published | £12,000 incl. VAT (central government), £30,000 incl. VAT (other authorities) | Smaller council and NHS works are advertised, so you can find them |
| Works contract threshold from 1 January 2026 | £5,193,000 | Above this, the full regime for major works applies |
| No separate suitability stage below threshold | Applies to works up to the goods and services thresholds (£135,018 central government, £207,720 other authorities, 2026 figures) | Buyers generally cannot shortlist on a questionnaire first; your tender response carries the weight |
For small public works, that last row is the opportunity. The written response and price are what you are judged on, so a clear answer from a smaller contractor can compete.
In-house, freelance, consultancy or contractor-run
| Option | Best when | What it costs | Watch out for |
|---|---|---|---|
| In-house bid writer | You submit quality-scored tenders every month | Salary of about £26,000 to £55,000 (National Careers Service) plus employer costs | Paying through quiet months; one person's capacity |
| Freelance tender writer | Occasional bids, and you already have a bid library | Day rate or fixed fee per tender | Writing only: price, programme and contract left with you |
| Bid consultancy | A large or framework bid that needs a team and reviews | Per tender or retainer | Strong writing with little construction delivery experience |
| BizMentor (contractor-run) | You want strategy, pricing review, answers and contract negotiation from one team | Fixed fee, retainer, or base fee plus win fee, agreed in writing | Not for bidding on everything, or for work you cannot deliver |
Published UK day rates and per-tender fees are in our guide to what bid writing costs.
How to choose a tender writer for construction
Ask these before you sign anything:
- What construction tenders have you written, and at what value? Ask for the type of work, not just the sector.
- Who checks the price, the programme and the contract? If the answer is "you", plan for it.
- How do you use the scoring guide? Good writers plan every answer against the marks available.
- Will I own the bid library? Answers, case studies and evidence should stay with your company.
- How is the fee structured? Day rate, fixed fee or a lower fee plus a win fee. On a win fee, check when it is triggered: on award, on signature or on first payment.
Ready to bid for bigger work with a team that prices and builds?
Book a free call and get a written tender plan.
How we do it
Craftex, our London design and build company, wins its own work through tenders. We choose the buyers, price the job ourselves and negotiate the contract before we sign. We hold CHAS, SafeContractor and ISO 9001, 14001 and 45001, so we know what buyers check.
That is the bid writing service, run by one team. It covers tender strategy, bid/no-bid on each opportunity, pre-qualification, a pricing review, the quality submission and contract negotiation. To see if it fits your pipeline, book a free strategy call.
£450K tender won
Marek & Piter, BizMentor clients, won a £450K tender in South Kensington: "The fee has already returned 5×." Individual results, not typical or guaranteed.
Before you hire a tender writer
- Count the quality-scored tenders you will bid for in the next 6 months
- Decide who checks the price, programme and contract
- Gather case studies, CVs, policies and accreditations in one place
- Ask for construction tenders they have written, with values
- Agree in writing who owns the bid library
