Tenderfly

Blog

Thinking on estimation, building services, and what AI actually changes.

20 March 2026

Why BMS estimation is still done in spreadsheets in 2026

The industry has digitised design, procurement and project management. But estimation — the step that determines whether you win and whether you make money — is still a senior person reading PDFs and typing into Excel.

18 March 2026

The senior estimator problem

The average age of a BMS estimator in the UK is over 55. The knowledge of how to produce an accurate points schedule lives in people's heads, not in systems. What happens when that person retires.

15 March 2026

What is a BMS points schedule and why does it take so long

An explainer for anyone outside the BMS industry who needs to understand what a points schedule is, why it matters for pricing, and why producing one manually takes 2-3 days per tender.

12 March 2026

How AI reads a mechanical specification

A technical but accessible look at how document extraction works on real engineering documents. What the AI can do reliably, what it cannot do, and why the human estimator is still essential.

8 March 2026

Comparing BMS tender returns: a guide for main contractors

When you receive three BMS quotes with three different point counts, how do you know which one is right? What to look for, what questions to ask, and how an independent scope baseline helps.

5 March 2026

The hidden cost of not tendering

Every tender your team doesn't bid on because they are too busy estimating the current batch is revenue you will never see. The real cost of slow estimation is not the labour — it is the opportunities you miss.