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Backed by Y Combinator

AI that handles your company’s accounting.

Billow integrates with your existing accounting tools and handles bookkeeping from as low as $1,000/month.

Book a Demo

Luca PacioliFather of Accounting

Luca Pacioli’s historical portrait alongside an AI-generated reinterpretation in a modern office in 2026. Drag across the image or use the arrow keys to compare. Home shows the original; End shows the modern image.

Billow integrates with your existing accounting tools and handles bookkeeping from as low as $1,000/month.

  • PwC
  • Bloomberg
  • Thermo Fisher
  • Gilead
  • Merrill Lynch

Automate your repetitive work

Billow handles recurring tasks in your existing tools, so your team can focus on review.

Reads and writes directly in your tools

Billow pulls data, updates records and posts entries in tools like NetSuite and QuickBooks.

Close workflow · Draft
Every month-endTrigger
Pull trial balanceNetSuite
Match transactionsAgent
Send for approvalReview
Built from 3 closes you ran by hand

Learns how your team works

Billow builds workflows around the steps your team already follows. No need to change your process.

March close — cash.xlsx
C7fx=SUM(C2:C5)
A
B
C
1
Account
Book
Bank
2
Operating 4471
0.00
0.00
3
Payroll 8820
0.00
0.00
4
Money market
0.00
0.00
5
FX — EUR
0.00
0.00
6
7
Total cash
0.00
0.00
8
9
10

Finishes the job

Billow builds the Excel files, completes the supporting work and submits everything for your approval.

Enterprises and accounting firms use Billow for:

  • Accruals and prepaids
  • Fixed assets
  • Payroll
  • Account reconciliations
  • Multi-entity consolidation
  • Revenue recognition
  • Flux and variance analysis
  • Financial reporting
  • Audit workpapers
View case study

Reconciliations

We reconcile your accounts, investigate differences and prepare the supporting workpapers.

  • Bank reconciliations
  • Credit card reconciliations
  • Balance sheet reconciliations

Accruals and recurring entries

We prepare entries and schedules so expenses land in the right month, ready for your approval.

  • Vendor and CRO accruals
  • Prepaid amortisation
  • Accrued payroll and bonus

For multi-entity businesses

Multi-entity consolidation

We bring your entities into one set of books, handling intercompany eliminations, currency translation and local reporting requirements.

  • Intercompany eliminations
  • FX revaluation and translation
  • Consolidated trial balance

Reporting and close review

We bring your statements, variance explanations and reporting packs together for sign-off.

  • Flux and variance commentary
  • Close checklist and sign-offs
  • Financial statement package

Reduce workload from weeks to days.

Real customers, real numbers. Every figure comes from the work itself.

Corey Pecoraro standing at an outdoor table with his laptop open, phone in handCorey PecoraroCPAHow a biotech accountant closed his month-end in 2 days with BillowRead case studyA signed contract and pen on a desk2–3 hrs/wk → 0Series B, clinical-stage · QuickBooksCut procure-to-pay from four files to one triggerRead case study

Starts at $1,000/month

Tell us what you’d like to automate. We’ll map the work and agree on a monthly price that fits your team.

Book a Demo

Works with your tools, and more.

  • NetSuite
  • QuickBooks
  • Xero
  • Excel
  • Coupa
  • Bill.com
  • Slack
  • Google Sheets
  • Gmail
  • Rippling
  • Gusto
  • Brex
  • ADP
  • Carta
  • Microsoft Teams

Workflow library

Which workflows can Billow handle?

  • Bank & card feeds

    Pull bank and card activity into your systems for the period.

  • AP & AR cutoff

    Check that bills and invoices land in the right accounting period.

  • Period lock & sign-offs

    Track approvals and prepare the period for locking after sign-off.

  • Prior-period open items

    Follow up on unresolved items carried forward from the last close.

  • Bank & card reconciliations

    Match statements to your ledger and investigate differences.

Built for the security reviews your compliance team actually runs.

What we hold, what we don’t do with your data, and what we’ll sign.

SOC 2 Type II
Independently audited controls across every system.
SOC 1
Controls over financial reporting, examined by a licensed CPA.
SOX-aligned
Segregation of duties and approval trails your auditor already expects.
No training on your data
Your ledger never becomes someone else’s model.
HIPAA-configurable
Deployable under a BAA when protected health information is in scope.

Put Billow to work on your first workflow.

Walk us through your current process. We’ll show you how Billow can handle the work in your existing tools and discuss pricing for your team.

Joanathan McIntosh
CEO, Co-Founder