Grab our best tips, methods, templates, and samples for writing emails to submit your proposals. A business proposal email is a persuasive sales document sent to clients to gain business.Learning how to write an effective business proposal is essential. First, you'll want to reach out to your client and gather all necessary information about their business and goals. Elevate Your Sales Game with 10 Proven Proposal Email Templates! Read our article and discover your roadmap to success! Use a brief, relevant subject line that will immediately explain the purpose of your followup email after sending your proposal. Instantly draft and send a business proposal template to establish the terms and conditions between your business and clients. Learn how to craft an effective business proposal email with our comprehensive guide. In this post, we'll teach you how to draft a cleaning services proposal that can land you more contracts without underselling yourself.