TR19 Grease reports into Xero
From sent report to Xero invoice, without typing it twice.
When the office sends a TR19 Grease report, the invoice is one step away. A draft lands in your own Xero with the job price and the certificate reference, ready for you to approve.
Try the live demo - no sign-upTalk it through first
£90 a month
Flat, for the whole firm
Unlimited users
Office and engineers
No setup fee
No minimum term
Live demo
No sign-up needed
The hand-off
One job, one invoice, one reference
Report sent
The office reviews the report and sends it to the client. Its content is locked from that moment.
Invoice raised
From the sent job, the office raises the invoice. A draft is created in your own Xero organisation.
Reference carried
The certificate reference goes onto the invoice, so any certificate can be traced to its bill.
Approve in Xero
You approve and send the draft from Xero, the way you already do.
No double billing
Rules that keep the money straight
- The price can be set or corrected after the report is sent, right up until the invoice is raised
- Once the invoice is raised, the price is fixed and the job shows "Invoiced"
- A job can only be invoiced once, so a second tap never creates a second invoice
- The report itself never changes after it is sent, whatever happens to the price

VAT
Set your VAT basis once
Exclude VAT
Prices are typed without VAT and Xero adds it. This is the default.
Include VAT
Prices are typed with VAT included, and Xero is told so.
Not VAT registered
No VAT is added to any invoice.
One basis, everywhere
Every price typed or shown in the app follows the basis you choose in Settings.
A typical before and after
Less office time per job
Before
- The report made in one app, the certificate on a separate website
- The invoice typed into Xero by hand afterwards
- 10 to 15 minutes of admin a job
After
- Report, certificate and invoice from the same job
- The price typed once
- The certificate reference on the invoice
What it costs
£90
a month, flat, for the whole firm. Prices exclude VAT.
Open the live demo - no sign-up- Reports, certificates, planner and Xero invoicing included
- Unlimited users - the price stays the same as you grow
- No setup fee and no minimum term
- Your own private database - never shared with another firm
- Paid monthly by Direct Debit
Questions
Questions firms ask
Does it connect to our own Xero?
Yes. Each firm connects its own Xero organisation in Settings. Invoices go into your books, not ours.
Does it send the invoice to the client?
It creates a draft in Xero. You approve and send it from Xero, so nothing is billed without you seeing it.
What if the price was wrong?
Correct it on the job before the invoice is raised. After that the price is fixed, so the app and Xero never disagree.
Do you work with other accounts packages?
Xero is the one connected today. Get in touch if you use something else.
Is it approved by BESA?
No. TR19 Grease is BESA's specification, and the software produces reports laid out to follow it. Smart Solutions is not affiliated with BESA and is not endorsed by it.
Is our data kept separate from other firms?
Yes. Every firm gets its own database, set up for that firm alone. No database is shared, so your clients, sites, reports and photographs never sit alongside another firm's records.
Follow one job through to the invoice
The live demo takes one booking from the phone call to the invoice. No sign-up, no sales call.
Open the live demoBook a callWritten by Edward Bristow, an engineer of more than 15 years. Last updated 5 October 2026.
TR19® is a registered trade mark of the Building Engineering Services Association (BESA). Smart Solutions Bristol Ltd is not affiliated with or endorsed by BESA. Xero is a trade mark of Xero Limited. Smart Solutions Bristol Ltd is not affiliated with it.
