Partnership Proposal Letter
Proposes working together, with what each side brings.
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Dear Sir / Madam,
I am writing with a specific idea: [the proposal in one or two sentences]
What we would bring: [your side]. What we would be asking of you: [their side].
[the small next step]
What is a Partnership Proposal Letter?
A partnership proposal letter puts a specific working arrangement in front of another organisation: what each side contributes, what each side gets, and what the first step is. It matters because vague approaches about exploring synergies are unanswerable, so they go unanswered. A proposal that names the contribution, the split and a dated first milestone gives the recipient something they can say yes or no to, which is the only outcome worth having.
Agencies use it to propose a referral arrangement with a complementary firm. Suppliers use it to propose co-marketing or a joint offer to a shared customer base. Software companies use it to propose reseller or integration arrangements. Charities and NGOs use it to propose programme delivery with a corporate funder or another organisation working in the same area. Event organisers use it to approach sponsors. The common feature is that neither side reports to the other, so the proposal has to make the case on its merits rather than by instruction.
The word partnership has a specific legal meaning in many places, and using it loosely can have consequences you did not intend. Several systems can treat parties as partners on the basis of how they behave — sharing profits and holding themselves out jointly — with joint liability following: the Partnership Act 1890 in the UK, state partnership statutes in the United States, and the Indian Partnership Act 1932 and LLP legislation are examples worth checking. If the parties compete, information sharing may also raise competition or antitrust issues. Say plainly whether you are proposing a legal partnership or a contractual collaboration, and check the local position.
The letter does not create the arrangement. It does not protect confidential information, so anything you would not want a competitor to read should stay out of it until a confidentiality agreement is signed. It does not bind either side to exclusivity, and it does not settle who owns intellectual property created jointly — both of those belong in a negotiated agreement. It also does not substitute for due diligence: reputational, financial and regulatory checks on the other organisation happen before signature, not after.
What to put in a Partnership Proposal Letter
These are the details this template asks for. Anything left blank is marked in red on the preview so you can see what is still missing.
| Field | What goes in it |
|---|---|
| Business name | For example: Barton Supply Co. |
| Your address | For example: Unit 7, Barton Road, Columbus, OH 43212 |
| Customer name | For example: Halliwell Interiors Inc. |
| Customer address | For example: 44 High Street, Columbus, OH 43215 |
| The proposal | For example: You install kitchens and we supply the timber. We would like to become your default… |
| What you bring | For example: Next-day stock, trade pricing and a named contact who answers the phone |
| What you are asking of them | For example: First refusal on timber and fixings for the next twelve months |
| The next step | For example: Could we meet for half an hour in the next fortnight to see whether the numbers work for… |
| Signatory name optional | For example: K. Srinivasa Rao |
| Signatory designation optional | For example: Honorary Secretary |
| Issued to (full name) | For example: James Whitfield |
| Their address | For example: 588 Kinnear Road, Columbus, OH 43212 |
How to write a Partnership Proposal Letter
Open with the problem you both have
The first paragraph should describe something the recipient already recognises, in their language rather than yours. ‘Your customers ask for installation and you subcontract it; our engineers are idle two days a week in your region’ tells them why you are writing. A paragraph about your own history, mission and values tells them nothing and is where most proposals lose the reader.
Set out what each side brings, in nouns
Write two short lists of concrete things: customer relationships in a named sector, a distribution licence, a warehouse, an engineering team, a mailing list of a stated size, a regulatory approval. Abstractions such as expertise, reach and commitment are unverifiable and read as filler. If your contribution is mostly effort, say how much effort and by whom, with names or roles attached.
Say how value and cost are split
Propose actual numbers, even provisional ones: a referral fee as a percentage of first-year revenue, a margin share, a fixed contribution to a joint campaign, who pays for what. A proposal with no commercial shape cannot be evaluated by the person who has to approve it, so it gets deferred. Mark the numbers as an opening position and say which of them you are flexible on.
Propose a small first phase with a deadline
Ask for something bounded: one joint webinar, one region, ninety days, ten referred customers. A limited first phase is easier to approve because it needs less internal sign-off and carries an obvious exit. State what you would both measure at the end of it and what the decision point looks like. Proposals that ask for a full commitment at first contact almost always stall in someone's approval queue.
Ask one named person for one decision
Address it to a person who can act, not to a general enquiries inbox, and close with a single specific request — a thirty-minute call in the next two weeks, with two proposed times. End with your direct contact details. If you do not know who owns this kind of decision inside the organisation, find out before sending rather than hoping the letter is forwarded.
Common mistakes
- Using the word partnership loosely when you mean a supplier arrangement, which can raise questions about joint liability and holding out that neither side intended.
- Sending a proposal with no numbers in it, so the recipient cannot evaluate it and files it under things to think about later.
- Demanding exclusivity in a first approach, which asks the other side to give up options before they have any evidence the arrangement works.
- Addressing it to a generic inbox, where it competes with sales spam and is very unlikely to reach the person who could approve it.
- Proposing an open-ended arrangement with no term and no exit, which reads as a trap to anyone who has been in a collaboration that would not end.
Frequently asked questions
How do I write a partnership proposal letter?
Start with the problem the other organisation already has, state what each side would contribute in concrete terms, propose how value and cost are split with actual figures, and ask for a small bounded first phase rather than a full commitment. Keep it to two pages, address it to a named decision-maker, and close with one specific request and a date.
What is the difference between a partnership proposal and an MOU?
A proposal is one side's opening suggestion, sent to start a conversation. A memorandum of understanding is a jointly agreed document recording what both sides intend, usually after negotiation. MOUs are often stated to be non-binding except for specific clauses such as confidentiality, but whether that stated intention holds depends on the governing law and the drafting, so have one reviewed before signing.
How long should a partnership proposal be?
Two pages for the letter itself, with detail in an appendix if the recipient wants it. The people who approve these arrangements read the first paragraph and the commercial terms, and skim everything between. A long proposal signals that you have not decided what you are actually asking for, which is the impression you can least afford at first contact.
Should I include financials in a partnership proposal?
Include the commercial shape — the split, the fee basis, who pays which costs — because without it the proposal cannot be assessed. Do not include your own confidential figures, customer names or margin data before a confidentiality agreement is in place. Provisional numbers marked as an opening position are more useful than no numbers at all.
Do I need an NDA before sending a partnership proposal?
Not for a first letter, provided you keep to information you would be comfortable seeing forwarded. Once the conversation moves to customer lists, pricing, technical detail or financial performance, get a confidentiality agreement signed first. Bear in mind that in some contexts disclosure without an agreement can affect intellectual property rights, so take advice before revealing anything unregistered.
This page explains general practice and is not legal advice. Requirements differ between countries and, in some cases, between states — check what applies where the document will be used.