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The Operating System
for Backflow
Compliance

FlowOS handles customers, devices, annual testing, certificates, reminders, invoicing, and water authority reporting — all from one elegant platform built for Australian plumbers.

2,400+ Active plumbers
98,000+ Certificates issued
4.9 ★ Average rating
app.flowos.com.au/dashboard
FlowOS
Dashboard
Customers
Devices
Jobs
Calendar
Reports
Certificates
Reminders
Dashboard
Tests Today
8
↑ 2 booked
Due This Month
24
7 overdue
Pass Rate
96%
↑ this month
Revenue
$12,480
↑ 18%
Today's Jobs
Citylink Tower
9:00am · RPZD · 420kPa
PASS
Collins St Corp
11:00am · DCV
PENDING
Southbank Apts
2:00pm · RPZD
EN ROUTE
Harbour View OC
4:00pm · AVB
FAIL
Revenue — 2026
Jun Jul Aug Sep Oct Nov Dec
Recent Certs
CERT-2026-0041 Sent
CERT-2026-0040 Paid
Certificate Sent
42 Harbour View Cres · just now
🔔
Annual Reminder Sent
14 Collins St · due 2 Jul 2026
📤
Report Submitted
South East Water · accepted
💳
Payment Received
$280.00 · Stripe

Trusted by Australia's plumbing professionals

🔧
Licensed Plumbers
🏢
Commercial Contractors
🏛️
Local Councils
🏗️
Facility Managers
💧
Water Authorities
⚡ Features

Everything to run backflow compliance
at scale — in one platform

From the first customer record to the final water authority submission — FlowOS handles every step so you can focus on the work.

👥
Customer Management

Every customer, every property, every device. Complete history, contact details, and compliance status in one searchable database.

🔧
Device Register

Log every RPZ, DCV, PVB, and AVB across all your sites. Make, model, serial number, and full test history always at your fingertips.

📱
Mobile Testing

Complete your testing onsite on any phone or tablet. Guided forms, instant validation, no paper, no clipboards, no data entry later.

📄
Official PDF Certificates

Generate the exact water authority Backflow Test Report form instantly. Same layout, same fields, same integrity — filled automatically.

🔔
Annual Reminders

Never lose a recurring job again. FlowOS automatically notifies customers when their annual test is due — before they even know.

📊
Compliance Reporting

Generate reports ready for councils and water authorities with one click. Every field, every format, always correct.

📅
Technician Scheduling

Assign jobs, track technicians, and view your daily schedule at a glance. Know who's where and what's next, always.

💳
Invoicing & Payments

Send invoices and collect payment via Stripe — all linked to the job. Get paid faster without chasing.

🔄 Workflow

From first contact to
official certificate in five steps

FlowOS handles the whole compliance lifecycle automatically — you just do the test.

1
👤
Add Customer

Add the property and register every backflow device on site.

2
📍
Register Devices

Log make, model, serial number, and location of each device.

3
🔔
Auto Reminder

FlowOS automatically reminds the customer when testing is due.

4
Complete Test

Run the test on your phone onsite. Pass or fail recorded instantly.

5
📄
Certificate Generated

Official water authority PDF created and emailed automatically.

💡 Why FlowOS

The old way costs you time
and clients. FlowOS gives both back.

😤
Without FlowOS
Paper forms — lost, illegible, duplicated
Annual tests missed because you forgot to follow up
Certificates buried in email or filing cabinets
Hours every week re-creating water authority forms
Looked less professional than bigger competitors
Invoicing chased manually from a spreadsheet
🚀
With FlowOS
Everything digital, searchable, and cloud-stored forever
Automatic reminders before every annual test falls due
Every certificate accessible from any device, instantly
Official PDF generated in seconds with zero manual work
Win more commercial contracts with a premium presence
Stripe invoices sent automatically, payment tracked
🔌 Integrations

Connects with the tools
you already use

FlowOS fits into your workflow on day one — no ripping and replacing your existing setup.

📅
Google Calendar
Sync jobs and schedules automatically
💳
Stripe
Invoicing and payment collection
📗
Xero
Sync invoices and reconcile automatically
📘
MYOB
Export jobs and certificates
🪟
Microsoft 365
Email and calendar integration
📁
Google Drive
Automatic certificate backup
✉️
Email & SMS
Reminders, certificates, and follow-ups
💧
Water Authority Portal
Direct submission
Coming soon
+
More integrations
Request one at any time
⭐ Testimonials

Plumbers love FlowOS

From sole traders to large commercial contractors across every state.

★★★★★

"FlowOS has completely changed how I run my business. I used to spend Sunday nights filling in paperwork — now it's all done on my phone the moment I finish a test. I've won three commercial contracts this year purely because I look more professional."

MK
Michael Kowalski
Licensed Plumber · Melbourne VIC
★★★★★

"We have six technicians doing tests across Brisbane and the Gold Coast. FlowOS means I always know who's tested what, every certificate is in one place, and I never chase anyone for paperwork. The annual reminders alone saved us losing dozens of jobs."

ST
Sarah Thompson
Operations Manager · Brisbane QLD
★★★★★

"I was sceptical about switching from paper but FlowOS paid for itself in the first month. Water authorities get the exact forms they need, clients get professional certificates, and I spend zero time on admin. Best investment I've made in my business."

DN
David Nguyen
Commercial Plumber · Sydney NSW
💰 Pricing

Simple, transparent pricing

No lock-in contracts. No hidden fees. Start free for 14 days — cancel any time.

Starter
For solo plumbers
$49
per month, billed monthly
Perfect for sole traders doing up to 30 tests per month.
Up to 30 tests/month
Official PDF certificates
Customer & device management
Annual reminders
Stripe invoicing
Multiple technicians
Priority support
Enterprise
For large contractors
Custom
contact us for pricing
For large contractors, councils, and water authorities.
Unlimited tests & technicians
Custom branding on certificates
Water authority API access
Dedicated account manager
SSO & advanced security
Custom reporting
SLA & uptime guarantee
❓ FAQ

Common questions

How does FlowOS work?
FlowOS is a cloud-based web platform — no app download required. You sign in on any phone, tablet, or computer. Add your customers and their devices once, then when you complete a test on site the official water authority certificate is generated automatically and sent directly to the customer. Everything is stored securely in the cloud.
Does FlowOS generate the actual official water authority certificate?
Yes — FlowOS fills the exact Backflow Test Report form used by Greater Western Water, South East Water, Yarra Valley Water, and other authorities. We use the original PDF template programmatically — the layout, logos, and field positions are identical to the paper version. Nothing is recreated or approximated. The output is accepted by all major water authorities.
Can I use it on my phone at the job site?
Yes — FlowOS is fully mobile responsive and works on any smartphone, tablet, or laptop browser. Most plumbers complete their test forms on a phone or tablet while standing in front of the device. The form is guided and validates your inputs in real time so you can't miss required fields.
Can multiple technicians use the same account?
The Professional plan supports up to 5 technicians. Each technician gets their own login, and you can see all of their jobs, tests, and certificates from the main dashboard. Enterprise plans support unlimited technicians with role-based access control.
How do annual reminders work?
FlowOS tracks the test date for every device on every property. A configurable number of days before each device's annual test falls due, FlowOS automatically sends an email and/or SMS reminder to the property contact. You can customise the message template, timing, and which customer contacts receive the reminder.
Can I import my existing customers and devices?
Yes. You can import customers and devices via CSV, or our support team can assist with migration from spreadsheets or your current system. Professional and Enterprise customers get white-glove onboarding at no extra charge — we set everything up with you in a call.
Is my data safe and backed up?
All data is hosted in Australian data centres (AWS Sydney region) and backed up continuously with point-in-time recovery. Every certificate is stored permanently — you can retrieve any document from any device at any time. We use AES-256 encryption at rest and TLS in transit. FlowOS is SOC 2 Type II compliant.
🚀 Get started today

Ready to simplify
backflow compliance?

Join Australia's next generation of plumbing professionals.
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No setup fees  ·  Cancel anytime  ·  Australian support