I'm here to confirm your two questions about VAT, @your.perfect.smi.
There isn't a need to record any VAT on purchases since your dental clinic isn't VAT registered. Also, I'd suggest using No VAT as the code for this. This is in line with the HMRC's guidelines for businesses that aren't VAT registered. For more details, see this article's No VAT section: UK VAT Codes.
Moving forward, I recommend selecting No VAT as the Default tax rate selection in the settings. This way, the system won't include any VAT each time you create expense transactions. I'll guide you how.
- Go to the Settings (Gear) icon at the upper right.
- Select Account and Settings under Your Company.
- Choose Advanced from the left menu.
- Click Accounting.
- Select No VAT from the Default tax rate selection drop-down.
- Hit Save.
- Choose Done.
The first screenshot below shows you the last five steps. Also, you'll be able to see the Amounts are field as automatically No VAT in the second screenshot.


If you have another business that is VAT registered, I suggest going to the VAT Centre. From there, you can edit your VAT settings, codes, and rates. You can also set up an additional tax rate, group rate, or custom tax within this page. For more information, visit this website: VAT Centre.
I'll be right here to help if you need anything else. Enjoy the rest of your day, @your.perfect.smi.
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