Project and advisory work is won or lost in the proposal. Unlike a recurring engagement, where the value is consistency, project work is sold on a clear plan: what you’ll deliver, by when, and what it costs. A vague proposal invites a dozen follow-up questions; a specific one gets signed.
Use this structure for any project or advisory engagement, tax planning, a books cleanup, advisory or CFO work, a systems migration, or a one-off consulting project.
The professional services proposal template
1. Cover & executive summary
- Your firm, the client, and the date
- A short summary: the problem, your proposed solution, and the outcome in three or four sentences
- Written so a busy decision-maker gets the gist from this section alone
2. Understanding of your needs
Show you understand the problem before you pitch the solution.
- The client’s current situation and what’s driving the project
- The specific challenges or goals in their words
- What success looks like and how it’ll be measured
3. Proposed approach & deliverables
- Your approach, broken into clear phases or workstreams
- Concrete deliverables for each phase (a report, a migrated system, a filed return, a model)
- What you need from the client at each stage
4. Timeline
- Key milestones and target dates
- Dependencies and anything that could shift the schedule
- Total expected duration
5. Investment
Offer tiered options where it fits:
- Core — the essential scope that solves the problem
- Standard — core plus the most-requested extras
- Premium — the full engagement, done-with-you or done-for-you
- Fixed project fee or phased billing, and what each tier includes
6. Why work with us
- Brief, relevant proof: similar engagements, outcomes, specialisation
- Keep it short and specific, this supports the proposal, it isn’t the proposal
7. Next steps
- What happens when they say yes
- Signature / online acceptance and the proposed start date
How to use this proposal template
Put the client’s situation before your credentials, keep it to a few pages, and make the “yes” path obvious with a single clear next step. For recurring monthly engagements rather than projects, use the focused bookkeeping proposal template. When the proposal is accepted, convert it into a signed engagement letter.
Win more project work with Tidyflow
In Tidyflow, proposals and engagement letters are built, sent, and accepted in one flow, with tiered pricing options the client can choose from. Accepted scope and fees carry straight into the engagement letter and the job your team delivers, so the proposal you sold is the work you run.