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Business Partnership Proposal Letter

Business Partnership Proposal Letter. Fill it in online, choose the tone, witness block and layout, and download a print-ready PDF.

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Business Partnership Proposal Letter - sample

Northwind Ltd.
12 Main Street, London EC1A 1BB

Ref. no.: REF-2026-014
Date: 05/10/2026

To
The Branch Manager
City Bank, High Street, Manchester

Subject: Business Partnership Proposal Letter

Dear Maria Garcia,

I am writing to propose a business partnership between our companies. Our proposal is: to supply our products to your stores on a revenue-share basis.

We believe this can be mutually beneficial. I would be happy to meet or call to discuss the details, terms and next steps at a time convenient to you.

Yours faithfully,

For Northwind Ltd.


Anna Lopez
HR Manager

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Business Partnership Proposal Letter

A business letter is a record as much as a message. A clear subject, the facts, the request and the deadline are what make a payment reminder or order letter work.

When to use it

  • Payment reminders and demands
  • Quotations and orders
  • Supplier complaints and apologies
  • Partnership proposals

How to write Business Partnership Proposal Letter

  1. Put the subject and the reference (invoice, order, quotation) at the top.
  2. Say what happened or what you need in the first paragraph.
  3. Give the amount, dates and the deadline.
  4. Close politely, sign and keep a copy with proof of sending.

Attach with it

  • Invoice or order copies
  • Delivery and payment records

Common mistakes

  • No invoice number or date
  • No deadline
  • Threatening tone that ends the relationship

Options you can choose

Tone and salutation, validity statement, ID-copies note, witness boxes, execution note (notary / stamp paper / oath), QR or reference box, four layouts and - in any language except English - a side-by-side English copy.

How to write a Business Partnership Proposal Letter

  1. Fill in the form: Company / organisation, Company address, Reference number, Addressed to (name, office, address), Recipient's name (for 'Dear ...'), Your proposal.
  2. Add your letterhead, logo, footer or watermark if you like.
  3. Download a print-ready PDF - or send it for e-signature.

Business letters →

FAQ

How formal should a business letter be?

Professional but plain: a clear subject line, short paragraphs, the facts first and the request near the top. Avoid long legal phrases unless the matter is legal.

Should I keep a copy?

Always. Keep a dated copy and proof of sending for every payment reminder, order cancellation or complaint to a supplier.

Is this Business Partnership Proposal Letter template free?

Yes. You can fill it in online and download it as a PDF for free, without installing anything.

Can I change the wording?

Yes. Every sentence of the document can be edited on the page before you download it.

Is this template available in other languages?

Yes - the same document is available in 2 languages. Use the language links on this page.

This is a general template, not legal advice. Check any requirements that apply in your country or organisation.

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