Collins Opeyemi
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Case studies

25 n8n and Make.com automations, built and running

Real builds across lead follow-up, sales and CRM, AI agents, documents and voice agents, most with a video of the workflow running. Filter by what you need.

25 case studies

All case studies

Revenue GPS Dashboard from Stripe, Zoho Books, GoHighLevel and ClickUp, cover
n8nAI agentsDocuments and data

Revenue GPS Dashboard from Stripe, Zoho Books, GoHighLevel and ClickUp

n8n workflow that gives an agency founder one daily view of the money.

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Make.com Real Estate Follow-Ups: Buyers, Sellers and Listings, cover
Make.comClient buildLeads, sales and CRM

Make.com Real Estate Follow-Ups: Buyers, Sellers and Listings

Three Make.com scenarios for a real estate company, live and in daily use.

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Make.com + GoHighLevel: Sales Calls Turned into AI Action Plans, cover
Make.comClient buildAI agentsLeads, sales and CRM

Make.com + GoHighLevel: Sales Calls Turned into AI Action Plans

Built for a client running a sales team that makes 50 to 100 calls.

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Companies House B2B Lead Trigger System, cover
n8nLeads, sales and CRM

Companies House B2B Lead Trigger System

n8n system that turns the UK company register into four buying-signal triggers: first accounts just filed, accounts due soon, newly incorporated, and overdue.

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n8n AI Digital Workers: Cited Pre-Call Briefs and Safe Follow-Ups, cover
n8nAI agentsLeads, sales and CRM

n8n AI Digital Workers: Cited Pre-Call Briefs and Safe Follow-Ups

Two revenue digital workers built in n8n.

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n8n AI Patient Assistant: Cited RAG, OCR and Eligibility Engine, cover
n8nAI agentsDocuments and data

n8n AI Patient Assistant: Cited RAG, OCR and Eligibility Engine

Two n8n workflows for a fertility clinic brief.

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Make.com AI Social Media Posting: Instagram, LinkedIn, Facebook, cover
Make.comAI agents

Make.com AI Social Media Posting: Instagram, LinkedIn, Facebook

A Make.com scenario that turns one upload into three platform-ready posts.

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n8n WhatsApp AI Agent: Auto-Replies to Text and Voice Notes, cover
n8nAI agents

n8n WhatsApp AI Agent: Auto-Replies to Text and Voice Notes

An n8n AI agent that answers a business's WhatsApp messages, including voice notes.

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n8n AI Calendar Assistant: Manage Google Calendar from Telegram, cover
n8nAI agents

n8n AI Calendar Assistant: Manage Google Calendar from Telegram

An n8n AI agent that runs a Google Calendar from Telegram messages.

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n8n WhatsApp AI Agent: Restaurant Orders, Bookings and Voice Notes, cover
n8nAI agents

n8n WhatsApp AI Agent: Restaurant Orders, Bookings and Voice Notes

An n8n AI agent that runs a restaurant's WhatsApp.

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n8n AI Inventory Agent: Check Stock and Reorder from Telegram, cover
n8nAI agents

n8n AI Inventory Agent: Check Stock and Reorder from Telegram

An n8n AI agent named Stocky that manages office supply stock from a Telegram chat.

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n8n AI Receipt Tracker: Telegram Photo to Google Sheets with OCR, cover
n8nAI agentsDocuments and data

n8n AI Receipt Tracker: Telegram Photo to Google Sheets with OCR

An n8n expense tracker that starts with a photo.

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Make.com AI Product Listing Generator: Etsy Images and Descriptions, cover
Make.comAI agents

Make.com AI Product Listing Generator: Etsy Images and Descriptions

A Make.com scenario that turns a Google Sheet of product ideas into ready-to-list products.

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n8n Telegram AI Assistant: Text and Voice Messages with Memory, cover
n8nAI agents

n8n Telegram AI Assistant: Text and Voice Messages with Memory

A personal AI assistant that lives in Telegram, built in n8n.

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AI Email Triage Agent to Gmail Drafts, cover
Make.comAI agents

AI Email Triage Agent to Gmail Drafts

Make.com scenario that triages a front-office inbox with an AI agent and never sends anything itself.

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AI Real Estate Deal Screener with Underwriting, cover
n8nAI agentsDocuments and data

AI Real Estate Deal Screener with Underwriting

n8n workflow that screens inbound real estate deal emails end to end.

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Make.com AI Email Outreach: 100+ Personalised Emails a Day, cover
Make.comAI agentsLeads, sales and CRM

Make.com AI Email Outreach: 100+ Personalised Emails a Day

A Make.com outreach system that turns a Google Sheet of leads into personalised emails.

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n8n OCR Document Pipeline: Extraction, Validation and Index, cover
n8nAI agentsDocuments and data

n8n OCR Document Pipeline: Extraction, Validation and Index

An n8n pipeline that turns scanned documents with no text layer into structured, searchable records.

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Stripe Subscription, E-Signature and Cal.com Booking, cover
Make.com

Stripe Subscription, E-Signature and Cal.com Booking

One Make scenario that takes a content agency customer from sign-up to a booked shoot with no manual step in between.

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AI Personalised Letter & Direct Mail Pipeline, cover
n8nAI agentsLeads, sales and CRM

AI Personalised Letter & Direct Mail Pipeline

n8n automation that turns one row in a Google Sheet into a print-ready, personalised sales letter.

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AI Social Listening & Lead Alerts to Slack, cover
n8nSimulated walkthroughAI agentsLeads, sales and CRM

AI Social Listening & Lead Alerts to Slack

n8n automation MVP that monitors Reddit, guitar forums, YouTube and RSS for buyers who want to switch, built on a $500 fixed budget.

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n8n White-Label Template: New Client Onboarded by Config Change, cover
n8n

n8n White-Label Template: New Client Onboarded by Config Change

One n8n intake workflow built to be reused across an agency's clients.

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n8n AI Wholesale Catalogue: Auto-Generated Pages and Price List, cover
n8nAI agentsDocuments and data

n8n AI Wholesale Catalogue: Auto-Generated Pages and Price List

A wholesale distributor of pain relief and recovery devices was maintaining its trade catalogue by hand, rebuilding a flipbook every time a price moved or a product...

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n8n Workflow Repair: Dunning Pipeline Silently Skipping Invoices, cover
n8nRebuilt for illustrationAI agentsFixes and migrations

n8n Workflow Repair: Dunning Pipeline Silently Skipping Invoices

A German trade company ran its dunning process on self-hosted n8n: open invoices from Lexware Office, customer data from Hero Software, reminder letters drafted by an AI...

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n8n Migration & Retell AI Voice Agent Debugging (60 Zapier Zaps), cover
n8nRebuilt for illustrationFixes and migrations

n8n Migration & Retell AI Voice Agent Debugging (60 Zapier Zaps)

An SMB was running 60 Zapier workflows and a Retell AI voice agent that dropped calls on transfers and after hours.

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