Vendor Master Data Cleanup
Vendor master files accumulate duplicate entries over years of manual entry — the same supplier added twice with a slightly different name, an old address that was never updated, a bank detail change that only got applied to one of three duplicate records. This isn't just untidy: it causes payments routed to outdated bank accounts, invoices matched to the wrong vendor record, and spend reporting that understates a vendor's true total because their activity is split across duplicates. Cleaning it up manually means someone cross-referencing thousands of records by hand, which rarely happens until it causes a payment error.
STARTING PRICE
From €299
Standard tier · Multi-step workflow with AI extraction/decisioning and 2-3 integrations.
Get a quote →Saves roughly 5-8 hrs one-time cleanup plus 2 hrs/week ongoing for a mid-sized AP team.
How the automation works
We run a systematic pass across your vendor master file that identifies likely duplicates using fuzzy name matching, tax ID, address and bank account comparison, then presents merge candidates with a confidence score rather than merging blindly. Confirmed duplicates are consolidated with transaction history preserved, formatting is standardized (address structure, tax ID format, contact fields), and vendors with stale data — no activity in over a year, a bank detail changed outside your normal change-control process — are flagged for review. Ongoing, new vendor records are checked against existing ones at creation time to stop new duplicates from forming.
Process flow
- 01
Pull full vendor master file integration
All active and inactive vendor records are pulled from SAP or NetSuite, including transaction history counts per record.
- 02
Identify duplicate candidates ai
Fuzzy matching across vendor name, tax ID, address and bank details surfaces likely duplicates, scored by confidence rather than merged automatically.
- 03
Present merge candidates output
High-confidence duplicates are shown side by side with transaction counts, so a reviewer confirms the merge and which record becomes the surviving one.
- 04
Merge and preserve history integration
Confirmed duplicates are consolidated in the ERP with transaction and payment history carried over to the surviving record.
- 05
Prevent new duplicates trigger
New vendor records are checked against the existing master file at creation, catching likely duplicates before they're saved rather than after.
Inputs
- Vendor master file export
- Transaction and payment history per vendor
- Bank detail change logs
- New vendor onboarding submissions
Outputs
- Deduplicated vendor master file
- Merge decision log with audit trail
- Stale-vendor flag report
- New-vendor duplicate-check alerts
Works with
Prefer a fully custom build instead of an off-the-shelf integration? We scope both options during your free consultation — most jobs like this one work fine on standard connectors, but higher-volume or non-standard systems sometimes need bespoke API work, reflected in the complex tier.
Where this goes wrong if you get it wrong
- Two vendors can share a legal address (a holding company and its subsidiary, or a shared registered agent) without being duplicates — address matching alone will produce false positives, so pair it with tax ID and bank account comparison before flagging a merge.
- A recent bank detail change on a vendor record that falls outside your normal change-control window is a known fraud pattern (vendor impersonation to redirect payment) — flag these for verification rather than treating them as routine data cleanup.
- Merging two vendor records loses nothing only if transaction history, open invoices and 1099/tax reporting data are all correctly reassigned to the surviving record — verify this before finalizing, since an incomplete merge can break historical spend reporting.
- Vendors that are genuinely inactive but still referenced on open contracts shouldn't be archived automatically just because they've had no recent transactions — check for open commitments before flagging a vendor as stale.
Frequently asked questions
Will this automatically merge vendor records without approval?
No — every merge candidate is presented with a confidence score and transaction history for a human to confirm; nothing is merged automatically, especially given the payment-risk implications of getting a merge wrong.
How does this help prevent vendor payment fraud?
Recent, unverified bank detail changes are specifically flagged rather than silently accepted, which closes one of the most common vectors for vendor impersonation fraud.
What happens to historical transactions when two vendor records are merged?
Transaction and payment history is reassigned to the surviving record, so historical spend reporting and audit trails stay intact rather than being split or lost.
Can this run as a one-time cleanup or does it need to be ongoing?
Most clients start with a one-time cleanup pass, then keep the new-vendor duplicate check running ongoing so the file doesn't drift back into the same state within a year.