Route every bill to one place as it arrives, check it against what you actually ordered before it is approved, and pay on a fixed day each week rather than whenever someone notices. The failure in a small business is almost never the payment itself. It is that bills arrive in several inboxes, get approved by whoever happens to see them, and are either paid twice or paid late.
Paying a bill takes a minute. Knowing which bills exist, which have already been paid, and which are wrong takes the rest of the afternoon.
Invoices arrive as email attachments, as links to a supplier portal, as PDFs sent to whichever member of staff placed the order, and occasionally on paper. Nobody holds the full list, so the questions that matter — what do we owe this month, has this one already gone out — cannot be answered without a search.
Fix arrival and most of accounts payable stops being a job. Every bill lands in one place, with the supplier, the amount, the due date, and its current state.
The two errors that cost real money are paying the same invoice twice and paying an amount nobody agreed to. Both are cheap to catch beforehand and expensive to unwind afterwards.
Before anything is approved, three things are worth a glance: has an invoice with this number from this supplier already been recorded, does the amount match what was ordered or quoted, and are the bank details the ones you have used before.
That last one is not paranoia. Invoice redirection — a convincing email from a real supplier's address with changed bank details — is one of the more common ways a small business loses a large amount at once. Changed bank details should never be actioned from the email that announced them.
Paying bills as they catch your eye produces two bad outcomes at once: money goes out earlier than it needed to, and the ones that did not catch your eye go late.
A fixed pay run — one day a week, or two days a month — solves both. You see everything due before the next run, you pay it together, and you know what is going out before it goes.
It also gives you the one thing an unstructured process never provides: a moment where a person looks at the whole list at once and notices the bill that has quietly doubled.
A single inbox that every supplier invoice goes to, and a standing instruction that anything arriving elsewhere gets forwarded there rather than dealt with in place.
Supplier, invoice number, amount, due date. Everything else is detail. These four are what let you answer whether something is a duplicate.
Compare the amount to the quote, order, or contract. A bill that does not match should go back to the supplier as a question, not into the pay run as an exception.
Never from the email that announced the change, and never to a number in that email. Call the contact you already had. This is the single highest-value check in the whole process.
One run a week or two a month. Everything due before the next run gets paid in this one. Predictable to you, and predictable to your suppliers.
Below it, routine bills that match their order go through. Above it, or anything unmatched, waits for a human. Write the number down so the rule is the same on a busy week.
Weekly suits most. Fortnightly works when supplier terms are long and the volume is low. What matters more than the interval is that it never moves, because suppliers calibrate their chasing to your actual behaviour.
Paying an invoice to changed bank details that came from a fraudulent email, and paying the same invoice twice. Both are prevented by a duplicate check and a phone call, and neither is prevented by care alone on a busy week.
Take them where they are real, but keep the run. A discount that requires you to abandon the process costs more in missed and duplicated bills than it saves.
Routine, matched, under-threshold bills from suppliers you already pay, yes. Anything unmatched, unusually large, or carrying new bank details should stop and wait for a person — and the threshold should be a written number, not a judgement made in the moment.
We're onboarding our first companies by hand. A person reads what you write and answers within a day.