Proposal Software for Growth Marketing Agencies

Pitch growth with frameworks, not fluff

Free plan includes 3 proposals per month. No credit card required.

The Problem

Sound familiar?

These are the proposal challenges growth marketing agencies deal with every week.

Growth proposals need experimentation frameworks that clients can buy into

Every client has different growth levers — proposals must be hyper-specific to their funnel

OKR alignment and reporting cadences vary by client maturity and internal processes

Competing against in-house growth teams means proving agency value with concrete frameworks

The Solution

How Wintura helps growth marketing agencies

Paste a client brief. Get a complete, client-specific proposal in under 5 minutes.

Experimentation framework sections with hypothesis-driven test roadmaps

Funnel optimization strategies tailored to your client's acquisition channels

Growth loop models and flywheel diagrams for sustainable, compounding growth

OKR-aligned reporting templates that connect tactics to business outcomes

Three steps. Five minutes.

From client brief to ready-to-send proposal.

1

Paste the brief

Paste your client’s brief or RFP. Wintura analyzes their industry, goals, and budget to generate relevant content.

2

Review & customize

Edit any section in a rich text editor. Adjust pricing, timeline, or scope. Your brand colors and logo are applied automatically.

3

Send & track

Share via link or export as PDF. Track when clients open your proposal and get notified in real time.

Our proposals now include experiment roadmaps and growth loop models that immediately differentiate us from traditional agencies. We've doubled our win rate on enterprise deals.

Sam N.

Growth Partner, Compound Growth Co.

Manual proposals vs. Wintura

 ManualWintura
Time per proposal4-8 hoursUnder 5 minutes
PersonalizationCopy-paste from old proposalsAI-generated from client brief
Scope of workWritten from scratchAuto-generated with deliverables & timeline
Brand consistencyDepends on who writes itYour colors, logo, and voice — every time
Client trackingNo visibility after sendingReal-time view notifications
InvoicingSeparate toolBuilt-in — create from won proposals

Start winning more growth marketing clients today

Join agencies using Wintura to generate proposals in minutes instead of days. Free to start, upgrade when you're ready.