A colleague needs a new supplier added before an urgent purchase. The name arrives by email, the bank details are attached and the invoice is already waiting. It is tempting to create the record immediately and sort out the paperwork later.
That shortcut can create duplicate suppliers, unclear payment terms, missing approvals and avoidable payment risk. A supplier should become active only when the organisation knows who requested it, who verified it and which information can be trusted. A short, consistent setup checklist makes that decision visible.
Start with a complete request
Require one setup request with the supplier’s legal name, trading name where different, registration or identifying information used by the business, physical and email addresses, telephone details, the goods or services to be supplied and the internal colleague responsible for the relationship. Record why the supplier is needed and when the first purchase is expected.
The requester should not simply forward an invoice. They should confirm the business purpose and provide the documents required by the organisation’s process. If information is missing, keep the request in query rather than creating a partial record that somebody may mistake for approved.
Check for an existing supplier first
Search using more than the displayed name. Compare legal and trading names, registration details, telephone numbers, email domains, physical addresses and payment details where access is appropriate. A spelling variation or branch name can hide an existing record.
If a possible match is found, decide whether the request is a new legal entity, another location for the same supplier or a duplicate. Document that decision. Creating a second record can split the transaction history and make later statements, credits and reconciliations harder to interpret.
Verify identity and contact information
Compare the submitted details with the supplier’s supporting documents and the information available through the approved verification sources used by your organisation. Confirm who is authorised to answer setup queries and who should receive purchase or remittance communication.
Use a contact route obtained independently of the setup email when confirming sensitive information. An email signature or attached letter is not independent evidence if both arrived in the same message. Record the source checked, the date and the colleague who completed the check.
Treat payment details as a separate control
Bank or payment information deserves its own verification step. Follow the organisation’s approved method, which may include checking formal evidence and confirming the details through a known, independently sourced contact channel. Do not let urgency replace the control, and do not accept a last-minute change without repeating the required verification.
Limit access to payment information to colleagues who need it. Record that verification was completed and by whom, without copying sensitive data into unprotected notes or messages. If the evidence conflicts, stop the setup and escalate the query before any payment is prepared.
Agree the commercial rules
Capture the agreed payment terms, currency, expected tax or invoice information where applicable, purchase-order requirements, normal delivery location and the internal cost owner. Make it clear whether the supplier may be used for one purchase, a defined period or ongoing work.
These details affect how invoices are reviewed later. If the terms on the first invoice differ from the approved setup, the accounts team should have a named owner who can resolve the difference rather than quietly changing the supplier record.
Separate request, review and approval
Where staffing allows, the person who needs the supplier should not be the only person who verifies and approves it. Define who reviews the documents, who confirms payment details and who authorises activation. The appropriate separation will depend on the organisation’s size and risk, but the responsibility should always be explicit.
Use visible stages such as requested, reviewing, query raised, verified, approved and active. Give every open stage an owner and due date. A status should describe evidence already completed, not the work somebody hopes to do later.
A practical example
A maintenance manager asks for a new parts supplier to be added before Friday. The request includes a quotation and a bank confirmation letter. During the duplicate search, accounts finds a supplier with a similar trading name but different payment details. Rather than creating another record, the reviewer contacts the supplier through the number already held in the approved record.
The supplier confirms that it is the same legal entity and that the submitted banking information is not current. The maintenance manager still receives the parts, but only after the existing supplier record is reviewed through the authorised change process. The original request, duplicate match, independent confirmation and final decision remain connected, giving the first invoice a clear review trail.
Review the first invoice
Supplier setup is not finished merely because the record is active. Compare the first invoice with the approved identity, payment details, terms, purchase requirement and internal owner. Resolve differences before payment and note the outcome so that a recurring issue does not become accepted by habit.
Periodically review setup records for repeated gaps: duplicate suppliers, incomplete evidence, approvals added after activation, unclear terms or queries left without owners. These patterns show where the checklist, responsibilities or training need attention.
MT Accounts covers the accounts side of your business. Explore MT Accounts or talk to our team about your financial workflow and confirm the capabilities available for your operation.
A supplier is ready to use when its identity is clear, duplicates have been ruled out, payment details have been verified through the approved route, commercial terms are recorded and the correct people have reviewed and authorised the setup.