Write a Business Proposal Letter That Gets a Yes
Whether you're pitching a new client, a partner, or an investor, a blank proposal letter is its own kind of dread. Paste in [details] like the company name, the ask, and what's in it for them, and these prompts draft a persuasive first version you can edit in minutes.
In short: This page contains 20 copy-paste ready prompts, organized into 5 categories with a description and pro tip for each. The first 5 prompts are free instantly, no signup needed. Hand-curated and tested by the AI Academy team.
New Client & Sales Proposals
4 promptsCold Proposal to a New Prospect
1/20✨ What it does
This prompt writes two proposal letters to [company name] introducing [your company/product] and how it solves [specific problem they have], one formal and one conversational, each under [250] words. Fill in the blanks, then send the tone that matches how you usually write.
Write a business proposal letter to [company name] introducing [your company/product] and explaining how it solves [specific problem they have]. Keep it under [250] words, persuasive but not pushy, and give me two versions: one formal and one more conversational.
Pro tip: Lead with their problem, not your company history. The first two sentences usually decide whether they keep reading.
Proposal After a Discovery Call
2/20✨ What it does
This prompt writes two follow-up proposal letters to [prospect name] at [company] that name the [pain point] from your call, reference [specific detail they mentioned], and end with a next step, in consultative and results-focused tones. Add the real detail, then send the tone that fits the call.
Help me write a follow-up proposal letter to [prospect name] at [company] based on the [pain point] we discussed on our call. Reference [specific detail they mentioned] to show I was listening, and include a clear next step. Give me two tone options: consultative and results-focused.
Pro tip: Naming the exact phrase they used on the call is the strongest signal of listening, so don't paraphrase it away.
Proposal for a Product or Service Bundle
3/20✨ What it does
This prompt drafts three proposal letters to [prospect/company] offering a bundle of [service or product 1] and [service or product 2] at [discount or price], with the combined value in [2 to 3] sentences and different formality. Check the price is one you can offer, then send the formality they will take seriously.
Draft a proposal letter offering [prospect/company] a bundle of [service or product 1] and [service or product 2] at [discount or price]. Explain the combined value in [2 to 3] sentences and give me three versions with different levels of formality.
Pro tip: Put the combined savings or benefit in a single sentence near the top so it doesn't get buried under feature lists.
Proposal Responding to an RFP
4/20✨ What it does
This prompt writes a formal RFP response letter to [company] for [project or service] that answers [requirement 1] and [requirement 2] directly, plus two openings to choose from. Pick the opening, then attach the letter to your bid packet.
Write a proposal letter responding to [company]'s request for proposal for [project or service]. Address their stated requirements of [requirement 1] and [requirement 2] directly and keep the tone formal and confident. Give me two openings I can choose from.
Pro tip: Mirror the exact language from their RFP requirements, since procurement reviewers often scan for their own wording.
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Partnership & Collaboration Proposals
4 promptsProposal to a Potential Business Partner
5/20✨ What it does
This prompt writes two partnership proposal letters to [name] at [company] suggesting you team up on [specific idea or project], naming [my strength] and [their strength], and suggesting [a meeting or call], one warmer and one more formal. Send the warmer one if you already know them a little.
Help me write a partnership proposal letter to [name] at [company] suggesting we team up on [specific idea or project]. Explain what each side brings, [my strength] and [their strength], and suggest [a meeting or call] as the next step. Give me two versions, one warmer and one more formal.
Pro tip: Name what's in it for them before what's in it for you, since partners tend to skim for their own upside first.
Proposal for a Joint Venture or Co-Marketing Campaign
6/20✨ What it does
This prompt writes a short and a longer proposal letter to [company name] for a joint venture or co-marketing campaign around [event, product, or season], including how you would split [costs or responsibilities] and a [timeframe]. Confirm you can actually split that work, then send the length that fits an email.
Write a proposal letter to [company name] suggesting a joint venture or co-marketing campaign around [event, product, or season]. Mention how we'd split [costs or responsibilities] and include a suggested timeline of [timeframe]. Give me a short version and a longer version.
Pro tip: Attach a rough timeline even if it's approximate, since a date range makes the idea feel real instead of hypothetical.
Proposal to a Local Business for Cross-Promotion
7/20✨ What it does
This prompt drafts two cross-promotion proposal letters to [local business name] suggesting [idea like a shared discount or joint event], under [150] words, in casual and businesslike tones. Print the businesslike one, or email the casual take if you already shop there.
Draft a friendly but professional proposal letter to [local business name] suggesting we cross-promote to each other's customers, for example [idea like a shared discount or joint event]. Keep it under [150] words and give me two tone options: casual and businesslike.
Pro tip: Suggest one concrete idea instead of asking them to brainstorm, since a specific proposal is far easier to say yes to.
Proposal to an Influencer or Creator for a Collaboration
8/20✨ What it does
This prompt writes two collaboration proposal letters to [creator or influencer name] inviting them to work with [my brand/company] on [type of content or campaign], naming [compensation or product] and keeping the ask respectful. Confirm the offer is one you can keep, then send the formality that matches their inbox.
Write a proposal letter to [creator or influencer name] inviting them to collaborate with [my brand/company] on [type of content or campaign]. Mention what's in it for them, such as [compensation or product], and keep the tone friendly and respectful of their time. Give me two versions with different levels of formality.
Pro tip: State the compensation or offer early, since creators get flooded with vague 'let's collab' messages and skip them.
Vendor, Contract & Renewal Proposals
4 promptsProposal to Become a Preferred Vendor
9/20✨ What it does
This prompt writes two preferred-vendor proposal letters to [company name] making the case for [my company] on [product or service], highlighting [advantage 1] and [advantage 2] over their current supplier, one direct and one more relationship-focused. Send the relationship-focused one if you already have a contact there.
Help me write a proposal letter to [company name] making the case for [my company] to become their preferred vendor for [product or service]. Highlight [advantage 1] and [advantage 2] over their current supplier. Give me two versions, one direct and one more relationship-focused.
Pro tip: Compare against their likely current option in outcomes, not features, since buyers care about results more than spec sheets.
Proposal to Renew or Expand an Existing Contract
10/20✨ What it does
This prompt writes two contract renewal letters to [client name] proposing you renew [service] and expand to [new service or scope], citing [specific outcome or metric] and suggesting [renewal term], in warm and formal tones. Check the metric is accurate, then send the tone they already know from you.
Write a proposal letter to [client name] proposing we renew our contract for [service] and expand it to include [new service or scope]. Reference the results we've delivered, like [specific outcome or metric], and suggest [renewal term]. Give me two tone options: warm and formal.
Pro tip: Lead with a real number from the relationship so far, since a concrete result outperforms any general claim of value.
Proposal for a Retainer Agreement
11/20✨ What it does
This prompt drafts two retainer proposal letters to [client name] suggesting a monthly retainer covering [scope of work] for [price or range], explaining predictability for both sides, one shorter and one more detailed. Confirm you can deliver that scope every month, then send the shorter letter first.
Draft a proposal letter to [client name] suggesting we move from project-based work to a monthly retainer covering [scope of work] for [price or range]. Explain the benefit of predictability for both sides and give me two versions, one shorter and one more detailed.
Pro tip: Frame the retainer around their planning benefit, not just your revenue stability, since that's the angle they'll actually respond to.
Proposal After Losing to a Competitor
12/20✨ What it does
This prompt writes two gracious win-back proposal letters to [company] after you lost [project or contract], naming [what's changed since then] and offering [a new incentive or improved terms] without sounding bitter. Only send it if the change and the offer are real.
Help me write a proposal letter to [company] re-approaching them after we lost the [project or contract] to a competitor. Mention [what's changed since then] and offer [a new incentive or improved terms]. Keep the tone gracious, not defensive, and give me two versions.
Pro tip: Acknowledge the loss briefly in one line, then move straight to what's different now, since dwelling on it reads as resentment.
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Investor & Funding Proposals
4 promptsProposal to a Potential Investor
13/20✨ What it does
This prompt writes two investor outreach letters to [investor name] introducing [my company], asking for [investment amount] to fund [specific use of funds], summarizing [key metric], and suggesting a [15 or 30 minute] call. Verify the metric on your own, then send the concise version unless they asked for more.
Write a proposal letter to [investor name] introducing [my company] and requesting [investment amount] to fund [specific use of funds]. Summarize traction like [key metric] in one or two sentences and suggest a [15 or 30 minute] call. Give me two versions, one concise and one slightly more detailed.
Pro tip: State the exact amount and use of funds up front, since vague funding asks get skipped by busy investors.
Proposal for a Small Business Loan Request
14/20✨ What it does
This prompt writes two business loan request letters to [bank or lender name] asking for [amount] to [purpose, like expand inventory or open a second location], including [years in business] and [revenue or growth detail]. Attach your numbers, then send the formal version to the loan officer.
Help me write a proposal letter to [bank or lender name] requesting a business loan of [amount] to [purpose, like expand inventory or open a second location]. Include [years in business] and [revenue or growth detail] to support the request. Give me a formal version and a slightly warmer version.
Pro tip: Put the specific purpose of the loan in the first sentence, since lenders want to see the money tied to a plan, not a gap.
Proposal to a Lender for Equipment Financing
15/20✨ What it does
This prompt writes two equipment financing letters to [lender name] requesting [amount] for [type of equipment or asset], explaining how it will [increase revenue or cut costs] and proposing a [repayment timeline]. Check the timeline you can actually pay, then send the more detailed version if they want a packet.
Write a proposal letter to [lender name] requesting financing of [amount] for [type of equipment or asset]. Explain how it will [increase revenue or cut costs] and include the [repayment timeline] you're proposing. Give me two versions with slightly different levels of detail.
Pro tip: Show the payback logic in one sentence, for example how many months until the equipment pays for itself.
Proposal to a Silent Partner or Angel Investor
16/20✨ What it does
This prompt drafts two capital request letters to [name] asking for [amount] in exchange for [equity percentage or terms], briefly naming [use of funds] and suggesting [next step], in formal and personal tones. Have a lawyer glance at the terms, then send the personal take if you know them.
Draft a proposal letter to [name], a potential silent partner or angel investor, requesting [amount] in exchange for [equity percentage or terms]. Explain briefly what the capital will be used for, such as [use of funds], and suggest [next step]. Give me two tone options: formal and personal.
Pro tip: Be explicit about the terms you're proposing, since ambiguity about equity or repayment is the fastest way to stall a conversation.
Follow-Up, Negotiation & Closing Letters
4 promptsFollow-Up After Sending a Proposal
17/20✨ What it does
This prompt writes two short follow-up letters to [prospect name] checking on the proposal for [project or service] you sent on [date], restating the [main benefit] and making a reply easy, one direct and one softer. Send the softer one if they have gone quiet for a while.
Write a short follow-up letter to [prospect name] checking in on the proposal I sent for [project or service] on [date]. Keep it brief, restate the [main benefit] in one sentence, and make it easy for them to reply. Give me two versions, one direct and one softer.
Pro tip: Ask one specific question instead of a generic check-in, since it's far easier for them to answer.
Proposal Revision After Pushback on Price
18/20✨ What it does
This prompt rewrites your proposal letter to [client name] after they pushed back on the price of [amount], offering [an alternative, like a lower tier, payment plan, or reduced scope] in a confident tone, with two different concessions. Pick a concession you can live with, then send that version.
Help me rewrite my proposal letter to [client name] after they pushed back on the price of [amount]. Offer [an alternative, like a lower tier, payment plan, or reduced scope] while keeping the tone confident, not apologetic. Give me two versions with different concessions.
Pro tip: Adjust scope before you adjust price, since it protects your margin while showing the value is still intact.
Proposal with Multiple Pricing Tiers
19/20✨ What it does
This prompt writes a proposal letter to [client name] presenting [three] pricing tiers for [project or service], explaining what changes at each level and recommending [which tier] for their [goal], plus two versions of the recommendation paragraph. Choose the recommendation you actually believe, then send the letter.
Write a proposal letter to [client name] presenting [three] pricing tiers for [project or service], from a basic option to a premium option. Briefly explain what's different at each level and recommend [which tier] as the best fit for their [goal]. Give me two versions of the recommendation paragraph.
Pro tip: Always recommend one tier by name, since buyers presented with unranked options often stall and pick nothing.
Thank-You Letter After a Proposal Is Accepted
20/20✨ What it does
This prompt drafts two thank-you letters to [client name] after they accepted your proposal for [project or service], confirming [next steps or start date] and sounding genuinely glad to start, one brief and one slightly longer. Confirm the start date, then send the brief one the same day.
Draft a thank-you letter to [client name] after they accepted our proposal for [project or service]. Confirm [next steps or start date] and express genuine enthusiasm about working together. Keep it warm and give me two versions, one brief and one slightly longer.
Pro tip: Confirm the next concrete step and date in the same letter, since that prevents the excitement from stalling into silence.
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