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.

Payment, settlement, and FBA reports follow different timelines and rules.
Around 60 settlement items are added or renamed each month.
PortOne reconciles it all for you, creating a reliable foundation for analytics and AI.

Payment, Settlement and FBA reports each run on different timing and rules. Around 60 settlement line items are added or renamed
every month. PortOne reconciles all of it for you every month, then puts analysis and AI on top.

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

Reduce monthly inventory discrepancies across ERP, Amazon orders, and FBA reports from hundreds to fewer than 10, achieving over 99% reconciliation accuracy.

Inventory mismatches between the ERP, Amazon order history and FBA reports drop from dozens or hundreds a month to fewer than 10, with over 99% reconciled and verified.

- Average across Count customers

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.

SP-API Only
We connect using permissions approved directly by the seller. We never ask for Seller Central login credentials.
Minimum Scope
We request read-only access to reports needed for financial closing and inventory reconciliation.
Your Account Stays Yours
We don't access your account settings or authentication methods. If we detect an access or data issue, we notify you immediately.
Enterprise-Grade Security
ISO/IEC 27001 certified · $5M cyber liability insurance · Annual penetration testing by security specialists
SP-API Only
We connect using permissions approved directly by the seller. We never ask for Seller Central login credentials.
Minimum Scope
We request read-only access to reports needed for financial closing and inventory reconciliation.
Your Account Stays Yours
We don't access your account settings or authentication methods. If we detect an access or data issue, we notify you immediately.
Enterprise-Grade Security
ISO/IEC 27001 certified · $5M cyber liability insurance · Annual penetration testing by security specialists

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

Sell more on Amazon. Spend less of your month-end in Excel.

Sell more on Amazon. Spend less of your month-end in Excel.

Sell more on Amazon. Spend less of your month-end in Excel.