Purpose-built desktop apps, web tools and data solutions for organisations that have outgrown spreadsheets. No off-the-shelf compromises — just software shaped around how you work.
We start by understanding your process — then build something that fits it precisely, not the other way around.
Standalone Mac and Windows apps that run fully offline. No internet required, no subscriptions, no data leaving your machine.
Electron · React · SQLiteStandalone HTML tools, budget estimators and interactive forms. Open in any browser — no installation, no server, no ongoing cost.
HTML · JavaScript · Print-readyExcel imports, automated reports, print-ready outputs and end-of-period summaries. Your data, your format, your workflow.
Excel · PDF · ExportInstallation guides, build logs, User Acceptance Testing (UAT) decks and training materials. Every project ships with complete, versioned documentation.
Word · PDF · PowerPointStructured user acceptance testing with feedback capture, review decks and issue tracking built into the process from day one.
Structured · DocumentedVersion-controlled updates, bug fixes and enhancements. Clear versioning conventions so you always know what changed and why.
Versioned · SupportedA structured process that surfaces everything we need before writing a single line of code.
We work through a structured brief together — your process, your pain points, your users. No assumptions, no guesswork.
Fixed-price written proposal covering scope, timeline and deliverables. You know exactly what you are getting before we start.
Iterative builds with structured UAT sessions. You test, we refine — until the software does exactly what it needs to.
Full documentation, installer files, versioning guide and ongoing support available. Nothing is left unexplained.
Every project starts with a problem worth solving.
Standalone offline app for a Perth meditation centre — managing retreat registrations, room allocations, job assignments, dietary requirements and financial summaries. Replaced a complex Excel workbook.
Standalone HTML budget calculator for retreat planning — yogi-day fee methodology, staff cost pooling, suggested fee calculation and print-ready A4 output. Runs in any browser with no server required.
Every client gets a secure portal — download deliverables, upload briefs and track project status in one place.
Sign in to access your project files and deliverables
Send us a brief — or just describe the problem. We will tell you whether we can help and what it would take.
Custom software development — Perth, Western Australia
| Website version | v1.1 |
| Build date | June 2026 |
| Hosting | Cloudflare Pages |
| Client portal | Supabase (Auth · PostgreSQL · Storage) |
| Domain | karriandco.com.au |
| Cloudflare Email Routing | |
| ABN | 27 245 932 152 |