Dear [Recipient Name], I would like to propose [product, service or collaboration] between [Your Company] and [Recipient Company] to address [a specific need or opportunity]. The proposed work would include [deliverables or scope]. We would be responsible for [your responsibilities], with [the recipient's required involvement] needed to complete the work. An initial timeframe would be [schedule], subject to agreement on the details. The intended benefit is [specific benefit], supported by [relevant experience or evidence you can provide]. I propose measuring progress through [agreed deliverables or practical measures]. The proposed commercial basis is [price or arrangement, if ready to discuss]. Could we arrange a meeting on [date] to review the proposal, responsibilities and next steps? I can provide a more detailed scope for your consideration. Sincerely, [Your Name]