Proposal software for social media managers

Retainers are where the money is, but retainer proposals are the hardest to write. What is included. What is extra. What happens when a client asks for just one more post. Prosperus makes that structure simple.

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Platform scope per package

Define which platforms are covered, how many posts per week, what content types are included, and what is not. Clients know exactly what they are buying before they sign.

Monthly retainer structure

Set up monthly pricing with clear deliverables. Scope creep on recurring work almost always starts with a vague proposal. Fix it at the source.

Reporting in the deliverables

Add monthly reporting to the scope at proposal stage. When the client signs, they have agreed to what you are accountable for delivering each month.

AI generates the proposal

Describe the package: platforms, post frequency, content types, community management, reporting. The AI writes a complete proposal draft. You review and adjust before sending.

Present tiered packages

Starter, Growth, Full Management. Each tier with different platform coverage, post volumes, and monthly pricing. Clients choose what fits their budget. You stop writing bespoke quotes for every enquiry.

Define deliverables exactly

Posts per week, platforms covered, story frequency, community management hours, reporting cadence. Make every deliverable explicit. The “just one more post” conversation starts with a proposal that did not define the boundaries.

Automated follow-ups

Sent the proposal on Friday. Prosperus sends a follow-up on Tuesday without you having to think about it. Stops automatically when the client replies.

Track who is reviewing it

Know when the proposal was opened and how long they spent on pricing. See if they came back twice. Follow up with intention rather than guessing when to check in.

Sign in one step

Clients approve the scope and sign in their browser. No PDFs, no back-and-forth. The signed proposal is the brief. What is included is in writing from day one.

Scope creep on a retainer does not start at month three. It starts at the proposal.

A social media retainer with vague deliverables expands within weeks. “Can you just do one more platform?” “What about stories?” “Can you write the newsletter too?” Each request starts from the same place: nobody wrote down what was agreed. Prosperus lets you define exactly what is included per package and get a signature on it before the work begins. When the scope question comes up later, the answer is already there.

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Retainers with scope that holds

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FAQs

Yes. Set up packages with different platform coverage, such as Instagram only, Instagram and LinkedIn, or a full multi-platform stack. Present them as tiers so clients can choose their level.

Yes. Add ad management as a service in your library and include it in whichever packages need it. Clients see it as a separate line or bundled, depending on how you structure it.

Yes. Set up monthly pricing for your management packages within the proposal. Define what is included, what each tier costs, and what triggers an additional charge.

Yes. Add case studies with images, metrics screenshots, and links to relevant previous work. Pick the examples that match what this client is trying to achieve.

Once your packages are set up (about 10 minutes), each proposal takes under 10 minutes to generate and send.