Accounts payable works the same way everywhere: an invoice arrives, it is checked against what was ordered and received, somebody with authority approves it, and it is paid on terms. What differs by country is the surrounding detail, and a team buying for a UK operation has four extra things to check that a product built elsewhere may handle awkwardly.
Tax handling on the invoice
VAT treatment, reverse charge situations and the way tax is presented on supplier invoices differ from other jurisdictions, and extraction that assumes one tax line per invoice will struggle where several rates appear. Ask to see extraction and validation run on your own UK supplier invoices rather than on the vendor's samples, which are rarely local.
Banking and payment formats
Payment files, faster payment behaviour and how confirmations come back all vary by banking system. This is where an otherwise capable product turns out to need a manual step, so ask specifically which UK banks are supported, in what format, and what a failed payment file looks like operationally rather than in a feature list.
Records, retention and who holds them
Retention obligations, where records may be stored and what an export contains are worth settling before signing rather than during a query. Ask what the export includes, whether it carries the original documents and the approval history, and how quickly you can have it. This matters more than any feature if you ever change product.
What does not change
The three-way match, the exception reasons, the approval routing problem and the fraud risk around bank detail changes are identical everywhere. A product strong on those and weak on the four points above is worth fixing with a workaround; the reverse rarely is, because the core is what you use every day.
Questions people ask about accounts payable software uk
Does a product have to be UK-built?
No, and many are not. What matters is that tax handling, bank formats and record obligations are supported properly rather than adapted with a manual step.
What should we test first?
Extraction and validation on your own supplier invoices, since local tax presentation is where non-local products most often struggle.
Are the payables problems different?
No. Missing purchase orders, unrecorded receipts and slow approvals are the same everywhere, and they dominate the workload wherever you are.