FOR AMAZON SELLERS
Grow your Amazon sales
without growing your back office
As your Amazon sales grow, so does the workload behind them. PortOne simplifies daily sales tracking, revenue closing, FBA inventory reconciliation, and audit preparation—all in one place.
50+
K-Beauty brands using PortOne for financial closing
D+2
Amazon sales & inventory close
99%
Inventory reconciliation accuracy
100+
Connected marketplaces, payment gateways, 3PLs & ERPs
Brand names and figures shown are for illustrative purposes only.
WHAT WE DO
The sale ends on Amazon.
The work doesn't end until it's in your books.
01. Daily Sales
Daily Sales Overview
Start your morning with a clear view of yesterday's Amazon sales and contribution margin.
Track daily revenue and units sold by marketplace, country, and SKU
See contribution margins after discounts, refunds, fees, and FBA costs
Split by Posted Date (order) and Release Date (settlement)


02. Close
Automated Revenue Close
Close Amazon sales at the order level, based on your revenue recognition rules.
Recognize revenue at the order, shipment, or settlement stage based on your policies.
Reconcile every order with settlement records and track unsettled amounts as receivables and flag discrepancies.
Automate journal entries by mapping revenue and expenses, or generate ERP-ready files.
“Our monthly Amazon close used to take eight people ten days. Now one person can finish it in just two to three days.”
APR, Global Beauty Company
03. SKU Mapping
SKU Master
Put in an Amazon SKU, get your inventory code and its cost.
Map Amazon SKUs and ASINs to internal inventory codes in one place
Break down bundles and sets into individual items, allocating revenue and costs based on your rules.
Calculate cost of goods sold (COGS) by SKU using mapped unit costs.


04. Count
FBA Inventory Reconciliation
Connect FBA inventory with order data to generate audit-ready inventory reports.
Track inventory in transit, unshipped orders, and pending returns.
Calculate inventory using six Amazon source reports, with no manual plugs.
Automatically generate inventory reports on your schedule.
99%
Increase in Inventory Accuracy
05. Audit Support
Audit Support
The evidence is ready before your auditor asks for it.
Revenue Recognition: Recalculate prior periods under new policies and document adjustments
Inventory Reconciliation: Explain differences between FBA inventory and accounting records (physical-to-accounting bridge)
Settlement Reconciliation: Track Payoneer and PingPong deposit differences, including exchange rates and fees
We use reconciled order-level data as audit evidence. Our inventory reconciliation methodology was developed with an accounting firm.


06. AI
AI Built on Reconciled Data
Reliable AI starts with accurate numbers.
Answers questions using reconciled order, settlement, and inventory data, with supporting sources linked for verification
Track marketplace policy changes, new fees, and retroactive adjustments daily, with updates reviewed by finance experts before they're applied.
Route exceptions to your team for review and approval while AI agents handle routine tasks.
HOW WE CONNECT
Only the data you need, within Amazon's policies
PortOne is a technology provider registered with Amazon's Selling Partner API (SP-API). We access seller data only through the SP-API and within the permissions approved by the seller.
START IN 4 WEEKS
Run it on your own numbers first
We run a four-week validation using your last two months of Amazon data.
We compare the results with what your team currently prepares manually to ensure every difference can be explained.
What you’ll need: SP-API authorization · SKU-to-ERP item code mapping · one point of contact, one hour a week
Week 1
Connect
Grant SP-API access and pull the last two months of data
Week 2
Reconcile
Reconcile orders with settlements and list every mismatch
Week 3
Team Review
Compare with your manual results and explain any differences
Week 4
Set the Scope
Decide on expansion and rollout


