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Cale(Newbie)Newbie
12 Mar 2025

Hi,

I am a home maintenance service provider.

Currently I charge customers for billable hours, as well as materials with a 10% markup added.


When I have calculated the invoice amount, my invoicing software automatically calculates the GST on the sum of these two parts and adds it on top.


Ie:

100 Labour

100 Materials + 10% margin on top.

210 total invoice amount.

GST added on top would bring the total invoice to 230. (210x1.1)


Because I buy my hardware from a hardware supplier, and they have already incorporated a GST amount into their own product before selling to me..Should I remove the GST component listed on my hardware suppliers invoice before adding my own mark up and additional GST?


More context: I understand I can claim GST credits, however does that mean I need to remove the GST component from my suppliers invoice before computing my own GST?


My client is querying this.

Thanks!



1,298 views
1 replies
1,298 views
1 replies

Most helpful response

Most helpful reply

Taxduck(Taxicorn)Taxicorn
12 Mar 2025

No. You can charge whatever you like for materials. Only GST-free and input taxed supplies (GST exempt) need to be separated on your bill.

If you are supplying materials as well as labour as part of your service then your taxable sale to your client is the total amount. GST is then added to that. Link explains taxable supplies.

Taxable sales | Australian Taxation Office

As mentioned in link: "You can claim credits for the GST included in the price of purchases you needed to make your taxable sales".

If your client doesn't like this arrangement you could suggest they source the materials and you charge only for your labour.

All replies

Most helpful reply

Taxduck(Taxicorn)Taxicorn
12 Mar 2025

No. You can charge whatever you like for materials. Only GST-free and input taxed supplies (GST exempt) need to be separated on your bill.

If you are supplying materials as well as labour as part of your service then your taxable sale to your client is the total amount. GST is then added to that. Link explains taxable supplies.

Taxable sales | Australian Taxation Office

As mentioned in link: "You can claim credits for the GST included in the price of purchases you needed to make your taxable sales".

If your client doesn't like this arrangement you could suggest they source the materials and you charge only for your labour.

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Charging Gst to clients on top of materials. | ATO Community