1099 vendor-data review worksheet: before and after

Sample with fictional data. For 2026 payments, the Form 1099-NEC threshold is USD 2,000; 1099-MISC thresholds vary by payment type, and backup withholding can require reporting below a threshold (IRS). This worksheet is data preparation for your review, not a filing determination or tax advice.

Before: the client's payments export

DatePayeeAmountTax IDAddressEmail
01/09/2026Northside Plumbing LLC$1,250.0012-345678914 River Rd[email protected]
02/14/2026NORTHSIDE PLUMBING$980.00
03/03/2026Maple Leaf Cleaning Co.$450.009 Elm St
05/21/2026Maple Leaf Cleaning$450.00
07/18/2026Maple Leaf Cleaning Co$1,350.00
04/02/2026J. Rivera Design$1800.00[email protected]
09/12/2026J Rivera Design$600.00
06/30/2026Quick Courier Inc$310.0098-76543215 Dock St
12/22/2025Northside Plumbing LLC$400.00
08/08/2026Summit IT Services$2,400.0045-1112223200 Main St[email protected]
10/01/2026$75.00
Summit IT Servicesabc
TBDQuick Courier Inc$120.00

After: vendor worksheet (2026 payments totalled; possible duplicates flagged, not merged)

vendorvendor_idtotal_paidpaymentsat_or_over_thresholdtin_presentaddressemailpossible_same_vendornotes
J. Rivera Design2400.002yesno[email protected]no TIN/W-9 on file in export; no address in export; spellings grouped: J Rivera Design | J. Rivera Design
Summit IT Services2400.001yesyes200 Main St[email protected]
Maple Leaf Cleaning Co.1800.002nono9 Elm StMaple Leaf Cleaningspellings grouped: Maple Leaf Cleaning Co | Maple Leaf Cleaning Co.
Northside Plumbing LLC1250.001noyes14 River Rd[email protected]NORTHSIDE PLUMBING
NORTHSIDE PLUMBING980.001nonoNorthside Plumbing LLC
Maple Leaf Cleaning450.001nonoMaple Leaf Cleaning Co.
Quick Courier Inc310.001noyes5 Dock St

Rows needing your review

input_linevendoramountdatereason
12$75.0010/01/2026no vendor name/ID
13Summit IT Servicesabcinvalid or missing amount 'abc'; unparseable/missing date ''
14Quick Courier Inc$120.00TBDunparseable/missing date 'TBD'

Change log and reconciliation

Input: sample.csv (13 rows). Columns used: vendor_id=None vendor=Payee amount=Amount date=Date tin_present_from=Tax ID address=Address email=Email
Grouping: exact vendor name (case/punctuation/spacing only)
Payments dated 2026: 9 rows, total 9,590.00. Other years excluded: 1 rows, total 400.00. Rows needing review: 3 (valid-amount total 195.00).
Reconciliation: input valid-amount total 10,185.00 = included + other-year + review: OK
Vendors in worksheet: 7; at/over 2,000: 2; of those without TIN in export: 1; possible same-vendor pairs to confirm: 4.
This worksheet is data preparation for your review, not a filing determination or tax advice. 1099-NEC uses USD 2,000 for 2026 payments; 1099-MISC thresholds vary by payment type, and backup withholding can require reporting below the threshold (IRS: https://www.irs.gov/businesses/small-businesses-self-employed/am-i-required-to-file-a-form-1099-or-other-information-return). TIN presence only; TINs were not validated or copied.

Try it on your own export: run the worksheet in your browser. Nothing is uploaded, and the preview is free.

How it works

Send one export (up to 5,000 payment rows). Within one business day you get the worksheet, the review list and the change log. Once you confirm which flagged names are the same vendor, we re-run the totals with your mapping. USD 40 per export, paid after you've reviewed the result. White-label: you keep the client relationship.

Peter, Go-to-Market Representative, The Trillium Company · 145 Columbia Street West, Unit 1803, Waterloo, Ontario N2L 0K7, Canada · [email protected] · +1 (548) 490-9330

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