The chain that turns a stranger into a paying customer — and keeps them.
Most businesses have pieces of this chain already — a website form here, an email address there — but the pieces don't talk to each other. A call comes in after hours and nobody answers. A lead fills in a form and gets a reply three days later, if at all. A customer buys once and then hears nothing.
The Revenue Engine is the 10-stage system we build and manage for clients. It runs 24/7, follows up automatically, books appointments without human intervention, and reports back in plain numbers each month. Every stage connects to the next. Nothing falls through.
The 10-stage pipeline — click any stage to jump to details
AI Phone Agent
A phone call answered after hours is a lead. One that rings out is a lost customer. An AI agent answers every call, qualifies the caller, answers common questions, and books appointments — 24 hours a day.
What we manage monthly
- Review call transcripts weekly and update the agent's script when hours, prices, or services change.
- Monitor for missed-call patterns.
- Fine-tune qualification questions based on lead quality.
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | Rosie | $49–$149 USD |
| SME | Synthflow AI | Pay-as-you-go, ~$0.11–$0.24/min |
Lead Capture
Every page of your website should have a clear, working path for a visitor to raise their hand. A form that's hard to find, too long, or broken on mobile loses more leads than almost anything else.
What we manage monthly
- A/B test form layouts and headlines.
- Monitor submission rates by device.
- Ensure every submission routes correctly into the CRM.
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | Leadpages + Jotform | $49–$89 USD |
| SME | Unbounce + Typeform | $99–$182 USD |
CRM & Pipeline
The CRM is where every lead lands and gets tracked until they become a customer — or until it's clear they won't. Without this, every follow-up is manual and leads go cold.
What we manage monthly
- Ensure all lead sources write into the CRM automatically.
- Audit pipeline for stalled deals.
- Keep data clean — no duplicate records, no missing contact details.
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | Pipedrive or Zoho CRM | $14–$20 USD/user |
| SME | HubSpot (Starter–Pro) | $15–$90 USD/user |
Automated Follow-Up
Speed-to-lead is the single biggest factor in whether a new enquiry converts. Automated sequences follow up within seconds, not days — and keep following up on a schedule until the lead responds or opts out.
Automated follow-up flows generate nearly 41% of total email revenue from just 5% of sends (Klaviyo, 2026).
What we manage monthly
- Monitor open rates, reply rates, and unsubscribes.
- Rewrite under-performing subject lines.
- Maintain email deliverability (SPF/DKIM/DMARC records, list hygiene).
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | Brevo or ActiveCampaign Starter | $9–$19 USD |
| SME | ActiveCampaign Plus or Klaviyo | $49–$100 USD |
AI Web Chat
A visitor on your website at 10pm has a question. If no one's there to answer it, they leave. An AI chat agent qualifies the visitor, answers questions from your existing content, and hands off hot leads to your inbox or CRM.
What we manage monthly
- Review chat transcripts for unanswered questions and add to the knowledge base.
- Monitor hand-off rates when the AI escalates to human.
- Update the bot when services or pricing change.
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | Tidio (Lyro AI) | $29–$79 USD |
| SME | Intercom (Fin AI) | $39–$139 USD + $0.99/resolution |
Appointment Booking
Every enquiry that ends in "we'll sort out a time" and doesn't immediately book is a lead that may never convert. Automated booking eliminates the back-and-forth and sends reminder sequences that cut no-shows.
Automated reminders reduce no-shows by an average of 28% (Calendly, 2026).
What we manage monthly
- Monitor no-show rates and tune reminder sequences.
- Ensure booking pages stay in sync with actual availability.
- Add deposit requirements if no-show rates are high.
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | Calendly | Free–$12 USD/user |
| SME | Acuity Scheduling | $20–$61 USD |
Proposal & Quote Automation
A slow quote loses a deal. Proposals sent within hours of a call close at a higher rate than those sent days later. Smart proposals track when the prospect opens them — so you follow up at exactly the right moment.
What we manage monthly
- Monitor proposal open and close rates.
- Flag proposals that have been opened but not signed.
- Ensure payment collection is connected to the CRM.
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | PandaDoc Starter or Better Proposals | $19–$20 USD/user |
| SME | PandaDoc Business or Proposify Team | $41–$49 USD/user |
Review & Reputation
A business with 4.7 stars and 120 reviews wins over one with 4.9 stars and 12 reviews. The volume signal is the trust signal. Automated review requests — triggered at the right moment after a job is complete — build this without anyone having to remember to ask.
What we manage monthly
- Monitor new reviews across Google and other platforms.
- Draft and post responses (with client approval).
- Route any negative feedback privately before it goes public.
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | NiceJob | ~$75 USD |
| SME | Birdeye | ~$299 USD |
Retention & Win-Back
Acquiring a new customer costs 5–25× more than keeping an existing one. Re-engagement sequences target customers who've gone quiet — with timing calibrated to your typical repurchase cycle — before they drift to a competitor.
Existing customers have a 60–70% purchase success rate. New prospects: 5–20% (Marketing Metrics).
What we manage monthly
- Set lapse windows based on each client's repurchase cycle.
- Build seasonal win-back sequences.
- Monitor re-engagement rates.
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | ActiveCampaign (reuse from Stage 04) | Included |
| SME | Klaviyo + Smile.io | $20–$69 USD |
Attribution & Reporting
None of the above means anything unless you can see what's working. Attribution ties every lead, every call, and every sale back to the channel that produced it — so the monthly report isn't a guess.
What we manage monthly
- Maintain the attribution model as lead sources change.
- Produce the plain-English monthly report (calls, leads, conversions, revenue by channel).
- Flag any channel where spend is not producing leads.
| Tier | Tool | ~Monthly cost |
|---|---|---|
| Micro-business | Google Analytics 4 + CRM reporting | Free |
| SME | Ruler Analytics | ~$199 USD |
All-In-One vs. Best-of-Breed
How we choose the right approach for your business.
For micro-businesses
We typically build on GoHighLevel ($97–$297/month), which covers stages 2 through 9 in a single subscription — one bill, one dashboard, no integration overhead. We add an AI phone agent (Stage 1) and GA4 (Stage 10) on top.
All-in software cost: roughly $130–$200/month.
For SMEs
We build a best-of-breed stack — the right tool for each stage — wired together via native integrations and Make/Zapier. More depth, more flexibility, slightly more to manage.
Software costs typically run $600–$2,000/month depending on team size and usage.
Building the engine is the project. Running it is the retainer.
Standing up the engine — configuring tools, writing sequences and AI scripts, wiring integrations, testing every hand-off — is a one-time build. We charge a fixed fee for that. What follows is the ongoing work that makes it better every month:
AI phone and chat agents need their scripts updated as your hours, prices, and services change. Left alone, they give wrong answers.
Email and SMS performance data tells us which messages convert and which ones lose people. We rewrite what isn't working.
Email goes to spam if no one's watching the technical setup. We keep SPF, DKIM, and DMARC in order and manage list hygiene.
Every month you get a plain-English report showing which channels produced calls, which produced revenue, and what we're doing next.
We watch new reviews, respond where appropriate, and keep the review request timing calibrated to your workflow.
This is the work a one-time agency project cannot deliver. It's also what prevents the engine from degrading quietly over time — which is what happens to every system nobody tends.