Automated bookkeeping for Amazon sellers

Your Amazon books
now run themselves.

Your bookkeeping software shouldn’t leave you doing the bookkeeping. Within two weeks, Stonaris automates up to 99% of the day-to-day work—so your Amazon books stay current and tax-ready without constant maintenance.

No card required · Read-only connections · One subscription instead of two
99%
of transactions
Handled automatically after two weeks
Every payout
decoded automatically
Sales, fees, ads, refunds, and reserves
One product
instead of two subscriptions
QuickBooks and A2X, replaced
The problem

Your accounting stack still leaves you doing accounting.

QuickBooks plus A2X—or a bookkeeper—means two bills and work left for you. Stonaris replaces the stack and does the bookkeeping for you.

QuickBooks
A2X or a bookkeeper
Manual transaction cleanup
Too many dashboards. No clear next step.
Stonaris
One product. One bill. Bookkeeping that’s simple, seamless, and automated.
Connect

Connect where you sell and where you spend.

Link Seller Central, your bank, and your cards. Read-only connections bring every sale, fee, payout, and expense into your books.

Seller Central and Amazon Ads
Bank and card accounts through Plaid
Read-only access—never move money
Connections

Read-only connections

Amazon Seller Central
Connected — new settlements arrive on their own
Amazon Ads
Connected — ad spend appears in profit the same day
Business bank & cards
Connected through Plaid
Business checking ·· 4821checking
Business credit card ·· 9910credit card
Automated books

The more it learns, the less you do.

Stonaris categorizes transactions and reconciles payouts automatically. You confirm the unusual 1%; after two weeks, it handles the remaining 99%.

99% automated after two weeks
One-tap confirmations for exceptions
No accounting software to maintain
A few to confirm
Confirm all
Everything else is filed automatically.
Shenzhen Lighting Co.
Jun 16 · $24,000.00
Filed asInventory
Confirm
Stripe deposit
Jun 11 · $1,240.00
Filed asIncome
Confirm
Your true profit

Amazon dashboards see your store. Stonaris sees your whole business.

Stonaris combines Amazon data with every business expense from your bank to show your true profit.

Amazon sales, fees, ads, refunds, and product costs
Software, shipping, contractors, and other bank expenses
A complete P&L by month, quarter, or year
Profit & loss
July 2026All lines
Amazon sales$28,390
Refunds−$840
Net revenue$27,550
Amazon fees−$6,120
Advertising−$3,400
Product costs−$4,250
Gross profit$13,780
Software−$620
Shipping−$1,140
Professional services−$900
Net profit$11,120
Why it’s different

Bookkeeping that runs itself.

Confirm the exceptions. Stonaris learns your business and handles the rest automatically.

99%
of transactions handled after two weeks
1 tap
to teach Stonaris an unusual transaction
1
simple product replacing QuickBooks and A2X
Security & trust

Your financial data is connected—not surrendered.

Your bank connects securely via Plaid

Connect with read-only access. Stonaris can view transactions, but never move money or store your login.

You stay in control

MFA protects your account. Amazon access is read-only—we import data, never operate your store.

Read-only bank access
Bank credentials never stored
Multi-factor authentication
Read-only Amazon connections
Why Stonaris exists

Amazon sellers shouldn’t have to pair QuickBooks with A2X or a bookkeeper—and still fight through manual work, confusing screens, and uncertainty about what to do next.

Bookkeeping should run automatically, so you can focus on growing your business.

Simple pricing

One product. Every feature.

Every plan includes automated books, profit reports, and exports—no feature gates or second subscription. Pricing scales with your Amazon sales.

Starting at
$49/month
14 days free
No card required · Cancel anytime
See pricing →

One tool to automate your books, cut your costs, and free you to grow.

Connect Seller Central and your bank. Stonaris takes it from there.

No card required · Read-only connections · Cancel anytime