Case Studies

Work that delivered
real outcomes.

Examples from regulated, high-stakes industries where unstructured delivery was not an option.

Construction · Digital Delivery

AI-Enabled Procurement System for a National Builder

Challenge

A construction firm was managing supplier coordination manually — emails, spreadsheets, and phone calls across multiple sites. Procurement decisions were slow, approvals were missed, and teams were duplicating work.

What we did

Designed and deployed a procurement automation workflow connected to their existing tools. Supplier requests triggered structured approval chains, status updates routed automatically to site managers, and all activity was logged without manual entry.

Outcome
Procurement cycle time reduced significantly Missed approvals dropped to near zero Site managers had real-time visibility without chasing updates
CoreStack Systems · Product Build

Krynta — Productized AI Visibility Audit

Challenge

Small businesses are increasingly being found through AI engines like Claude, ChatGPT, Perplexity and Gemini, but most have no idea how those engines describe them or where they fall short. Traditional GEO consultants charge $2k to $8k for advice that ends in a PDF, putting it out of reach for the businesses that need it most.

What we built

A standalone product that probes the four major AI engines, scores a business's AI visibility, surfaces competitor gaps, and delivers paste-ready fixes covering schema markup, FAQ answers, and About page rewrites. Tiered at $49, $79, and $99 AUD with a free 60-second teaser. Built end-to-end on the CoreStack stack and shipped as its own brand.

Outcome
Productized a $2k to $8k consulting workflow into a $49 product Cited sources and paste-ready fixes, not generic advice Live at krynta.com under its own brand
CoreStack Systems · Internal Tooling

AI-Powered Proposal Generator for Client Scoping

Challenge

Writing client proposals from scratch for every lead was taking hours. Each proposal needed accurate scope, pricing tiers, hardware recommendations, and a consistent professional format. Copy-pasting from old proposals led to errors and inconsistency.

What we built

A branded proposal generator that takes client details, selected tier, and automation scope as inputs and produces a complete, formatted proposal with live preview. AI assists with scope descriptions and deliverable summaries. Output is a print-ready PDF matching CoreStack branding.

Outcome
Proposal creation dropped from hours to under 10 minutes Consistent branding and structure across every client proposal Zero copy-paste errors in pricing or scope
CoreStack Systems · Internal Tooling

Invoice Generator with Automated Tracking

Challenge

Managing invoices manually meant tracking payment structures, deposit splits, GST calculations, and client details in spreadsheets. No visibility on how many invoices had been generated or their total value without opening multiple files.

What we built

A branded invoice generator with live preview, automatic GST calculation, 50/50 deposit payment scheduling, and one-click PDF generation. Every invoice is automatically logged to a central tracker and reflected in the daily operations dashboard in real time.

Outcome
Invoice creation takes under 2 minutes with zero manual calculation Automatic tracking of invoice count, value, and payment status No third-party invoicing platform needed. Zero monthly cost.
Finance · Automation

Automated Invoice Detection with Instant Notifications

Challenge

Invoices were arriving via email and getting buried in busy inboxes. Payment deadlines were missed because no one was actively watching for them. Manually checking for invoices every day was tedious and unreliable.

What we built

An automated invoice watcher that monitors Gmail every 5 minutes, detects emails with invoice attachments by scanning filenames and subject lines, and sends an instant Telegram notification with sender, subject, and file details. Every detection is logged to a live Google Sheet for full audit trail.

Outcome
Zero missed invoices since deployment Instant mobile notifications within 5 minutes of arrival Full audit log with no manual data entry Built and deployed in under 2 hours. Zero ongoing cost.

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Melbourne, Australia · CoreStack Systems