Bid proposal: Word template or software?

Published 17 October 2026. Updated 17 October 2026.

The real choice

There are three common ways to write a commercial proposal in a small mechanical shop: open the last similar job in Word and change it, keep a master template, or use drafting software. All three can produce a good proposal. They fail in different places, and the failure you can least afford is the quiet one: a price or an exclusion carried over from the wrong job.

This guide compares the approaches and gives a checklist that works whichever you pick. For the content itself, see what to exclude in a plumbing bid proposal and how to write a commercial HVAC bid proposal.

Approach 1: copy the last similar job

You open the proposal from a comparable job, save it under a new name and change what is different.

Strengths. It is fast to start. The wording is already yours. It carries your usual terms, and the general contractor sees a familiar document.

Where it breaks down.

• Leftovers. The old job's address, tenant name, an alternate or a note about a crane survives in a corner of the document.
• Wrong exclusions. The previous job did not need rooftop work and the new one does, but the exclusion text says otherwise, or the other way round.
• Retyped numbers. Every price is typed again from the estimate, and each retype is a chance for an error.
• Version confusion. Three files called "Final", "Final v2" and "Final revised", and nobody is sure which one went out.

Approach 2: a master template

You keep one clean document per trade or job type, with placeholders for the things that change.

Strengths. Much less leftover text. Your standard exclusions, assumptions and payment terms live in one place and improve over time. A new estimator can pick it up quickly.

Where it breaks down.

• It still depends on someone filling every placeholder correctly, every time.
• The scope section is still written by hand, so it takes as long as before.
• Prices are still copied from the estimate by hand.
• Nobody owns the template, so it drifts.

A template fixes the carry-over problem. It does not fix the copying problem.

Approach 3: drafting software

Here software produces the draft from your estimate and past proposals, and you edit it.

Strengths. The scope can be written from the estimate lines, and the totals can be computed rather than retyped. You start from a full set of sections instead of a blank page.

Where it breaks down. You still have to read the output. Software that drafts for you can also be wrong. Tools also differ in how they handle commercial terms such as retainage, alternates and long exclusion lists, so check any tool against one of your own past commercial proposals before you rely on it.

Side by side

When Word is enough

Word, with a good master template, is a sound choice when:

• You send only a few commercial proposals a month.
• Your jobs are similar, so one template per trade really does fit.
• One person writes all of them and checks the numbers every time.
• Your proposals are short and the estimate has few lines.

Do not swap a working process for new software just because it is new. A disciplined template beats an unread draft from any tool.

When software makes more sense

• Several people write proposals, and each version drifts a little.
• Your estimates are long, and copying prices is where errors appear.
• Jobs differ a lot, so a template never quite fits.
• You carry alternates, allowances, deposits or retainage on most bids.
• Writing the proposal takes longer than building the estimate.

A checklist for any approach

1. One source for every price. The estimate. Never type a figure that is not in it.
2. Tick each estimate line. Every line appears in the proposal as price, exclusion or alternate. Nothing else is allowed to vanish.
3. Recompute the totals. Subtotal, markup, tax, deposit and retainage, by calculator or spreadsheet.
4. Read the exclusions against this job. Not against the last job.
5. Search for leftovers. Look for the old address, the old tenant name and old dates.
6. Check the dates and validity period against the bid schedule.
7. Save the sent version as a PDF with the date in the file name, and keep the editable copy.

How ScopeClerk does this step

You upload your job estimate (a spreadsheet, CSV, Word or PDF table, or a scan or photo) with a few job facts, and two or three of your past proposals for wording. ScopeClerk returns a drafted proposal with cover letter, scope by trade, assumptions, exclusions, alternates and payment terms, as Word and PDF files. Subtotal, markup, tax, deposit and retainage or progress-draw amounts are computed by code, and a check record shows which estimate line backs each dollar figure. See also alternates, allowances and unit prices in a bid.

A second, stronger AI model reviews every result and lists what is left for you to decide, which appears first in every file. No person checks it, so read the draft before you send it. Your past proposals are used for phrasing only and are not carried over to the next job.

A proposal draft costs 25 credits ($25), a revision round another 25, and there is no subscription. It does not price the job and does not send the proposal; you edit it and send it yourself.

Try a draft from your own estimate

Questions

How many past proposals should I keep as templates?

One clean master per trade is easier to maintain than a folder of old jobs. Strip job names, prices and one-off notes, and keep your standard exclusions, assumptions and payment terms in it.

Can I mix a Word template with a spreadsheet estimate?

Yes, and many shops do. The weak point is the copy step between the two, so keep one source for every price and type none of them twice.

What do I do when a bid is revised after an addendum?

Update the estimate first, then change the proposal from the estimate, then re-check the totals and the exclusions. Save it as a new version with a new date so the old one is not sent by mistake.

Is software worth it if I only bid a few jobs a month?

It depends on how long a proposal takes you and how often an error slips through. If a proposal takes you well under an hour and mistakes are rare, a good template may be enough. Count your own hours before you decide.