Start using AI in your close this week.

Start using AI in your close this week.

Stacks is an AI workspace for finance teams. Build agents to take on manual close work, with your instructions, connected data and a clear record of every step.

Stacks is an AI workspace for finance teams. Build agents to take on manual close work, with your instructions, connected data and a clear record of every step.

Answer a few questions, and get started for free.

Put agents to work on your next close.

Give your team more time for the work that needs their judgment.

Prepayment releases
Expense accruals

Prepare your monthly accrual journal.

Prepayment releases
Expense accruals

Prepare your monthly accrual journal.

Hand over a familiar task

Choose a ready-made agent or describe the task your team already does. We’ll help set up the first run around your process.

Add your files

Vendor billsbills_october.xlsx
Forecastforecast_october.csv
Connectors
Google SheetsNetSuiteSlackExcelGoogle Drive

Add your files

Vendor billsbills_october.xlsx
Forecastforecast_october.csv
Connectors
Google SheetsNetSuiteSlackExcelGoogle Drive

Use your files and connected tools

Bring a spreadsheet or CSV export, or connect the tools your team already uses. Give the agent your instructions so it follows your process.

Review requested

Prepared by Stacks Agent

Accrual journal.xlsx
Slack

Julia was notified in Slack.

ApproveRequest changes
Review requested

Prepared by Stacks Agent

Accrual journal.xlsx
Slack

Julia was notified in Slack.

ApproveRequest changes

Delegate the work. Keep control.

The agent prepares the work; your team reviews the draft, requests changes and decides what to use. Save the agreed process for next month.

Ready-made agents for your month-end.

Each one reads your files and drafts the work. Use it as it is, or describe your own process and build one.

Category

Stacks Agent

Accruals & deferrals

Expense accruals

Prepare expense accruals from vendor bills, forecasts and agreed exclusions, with supporting schedules for review.

Stacks Agent

Accruals & deferrals

Expense accruals

Prepare expense accruals from vendor bills, forecasts and agreed exclusions, with supporting schedules for review.

Stacks Agent

Accruals & deferrals

Expense accruals

Prepare expense accruals from vendor bills, forecasts and agreed exclusions, with supporting schedules for review.

Stacks Agent

Accruals & deferrals

Purchase order accruals

Turn received-not-billed purchase orders into accrual journals by subsidiary and currency, ready for review.

Stacks Agent

Accruals & deferrals

Purchase order accruals

Turn received-not-billed purchase orders into accrual journals by subsidiary and currency, ready for review.

Stacks Agent

Accruals & deferrals

Prepayment releases

Prepare monthly release journals from prepayment schedules, with held items and reconciliation checks for review.

Stacks Agent

Accruals & deferrals

Prepayment releases

Prepare monthly release journals from prepayment schedules, with held items and reconciliation checks for review.

Stacks Agent

Accruals & deferrals

Prepayment releases

Prepare monthly release journals from prepayment schedules, with held items and reconciliation checks for review.

Stacks Agent

Journals & review

Payroll journals

Convert payroll exports into journal files using your account mappings and upload format.

Stacks Agent

Journals & review

Payroll journals

Convert payroll exports into journal files using your account mappings and upload format.

Stacks Agent

Journals & review

Journal review

Review journals against agreed checks and materiality thresholds, then flag entries for follow-up.

Stacks Agent

Journals & review

Journal review

Review journals against agreed checks and materiality thresholds, then flag entries for follow-up.

Stacks Agent

Journals & review

Journal review

Review journals against agreed checks and materiality thresholds, then flag entries for follow-up.

Stacks Agent

Reconciliations

Supplier statement reconciliation

Compare supplier statements with the ledger and prepare a working paper of matches and differences.

Stacks Agent

Reconciliations

Supplier statement reconciliation

Compare supplier statements with the ledger and prepare a working paper of matches and differences.

Stacks Agent

Reconciliations

Unapplied receipts

Reconcile unapplied receipts to the ledger and keep an open-items schedule ready for review.

Stacks Agent

Reconciliations

Unapplied receipts

Reconcile unapplied receipts to the ledger and keep an open-items schedule ready for review.

Stacks Agent

Reconciliations

Clearing account review

Match offsetting entries, surface open items and prepare a clearing journal for review.

Stacks Agent

Reconciliations

Clearing account review

Match offsetting entries, surface open items and prepare a clearing journal for review.

Stacks Agent

Accruals & deferrals

Accrued income

Prepare accrued-income journals from source data, with a working paper and explanations of period movements.

Stacks Agent

Accruals & deferrals

Accrued income

Prepare accrued-income journals from source data, with a working paper and explanations of period movements.

Finance teams are already building agents.

2 in 3

of new agents in October were built by finance teams

8×

more finance teams building agents in one quarter

53%

of builders use their agents in two or more separate weeks

38%

of builders have built more than one agent

Stacks product data, Aug–Oct 2026.

Built for review and audit.

bills_october.xlsx
ItemAmount
16Figma seats€1,440.00
17Notion annual plan€4,800.00
18AWS support€2,310.00
prepaid_schedule.xlsx
Notion · October release
€400.00
Row 17
€4,800.00 ÷ 12 months
bills_october.xlsx
ItemAmount
16Figma seats€1,440.00
17Notion annual plan€4,800.00
18AWS support€2,310.00
prepaid_schedule.xlsx
Notion · October release
€400.00
Row 17
€4,800.00 ÷ 12 months

Tied to the source file

Source files and supporting calculations stay with the output, so your team can check each result.

Octoberv1
Novemberv1
Instructionsv1
Monthly prepayment release
  1. 1.Google DriveRead the source file
  2. 2.Calculate the monthly release
  3. 3.Prepare the journal and schedule
  4. 4.Review the prepared work
calculate_prepayments.py
Octoberv1
Novemberv1
Instructionsv1
Monthly prepayment release
  1. 1.Google DriveRead the source file
  2. 2.Calculate the monthly release
  3. 3.Prepare the journal and schedule
  4. 4.Review the prepared work
calculate_prepayments.py

The same steps every month

Save the agreed process and reuse it with next month’s files, with the calculation steps already in place.

BenWaiting for Ben’s review

October release: €400.00.
Review the schedule and journal.

prepaid_schedule.xlsx
prepayment_journal_2026-10.csv
ApproveRequest changes
BenWaiting for Ben’s review

October release: €400.00.
Review the schedule and journal.

prepaid_schedule.xlsx
prepayment_journal_2026-10.csv
ApproveRequest changes

Checked by your team

Review the supporting files, request changes and approve the work before you take it into your ERP.

Purpose-built for accounting.

Wrong matches when reconciling ~15,000 bank and ledger records

Wrong matches when reconciling ~15,000 bank and ledger records

Each system received the same data and 10 attempts. Bars show the fewest to most wrong matches per completed run.

Each system received the same data and 10 attempts. Bars show the fewest to most wrong matches per completed run.

Each system received the same data and 10 attempts. Bars show the fewest to most wrong matches per completed run.

Stacks

Stacks

0

0

0

0

ChatGPT

ChatGPT

1–10

1–10

1–10

1–10

Claude

Claude

4–98

4–98

4–98

4–98

Gemini

Gemini

7–302

7–302

7–302

7–302

Stacks internal study · June 2026 tests

Read the full study ↗

Security and integrations.

Security for your financial data

Encrypted and access-controlled. SOC 2 Type II audited and ISO 27001:2022 certified.

SOC 2 Type II
ISO 27001:2022
GDPR compliant

An audit trail built as you work

Documents, comments and approvals stay with the work, giving auditors a clear record of who did what and when.

Activity

Ben approved the schedule

Noah added a comment

Ready for review in #finance-close

Stacks Agent prepared the prepaid schedule

Noah attached bills_october.xlsx

Works across your finance stack

Work from files in your drives and spreadsheets, read from your data and collaboration tools, and take the output into your ERP.

ERPs

Xero
Business Central
NetSuite
Sage Intacct
SAP S/4HANA
Workday
AFAS

Banking

HSBC
Barclays
ING
Revolut Business
Wise
Mercury

Billing & payments

Stripe
Adyen
Chargebee
Mollie

Payroll & HR

ADP
Deel
HiBob
Personio
Rippling

Spend

Ramp
Pleo
Spendesk
Brex
Navan

Files & spreadsheets

Excel
Google Sheets
Google Drive
SharePoint
OneDrive
Box
Dropbox
AWS S3

Data & BI

Snowflake
BigQuery
Databricks
Redshift
Looker
Power BI

Collaboration

Slack
Notion
Email

ERPs

Xero
Business Central
NetSuite
Sage Intacct
SAP S/4HANA
Workday
AFAS

Banking

HSBC
Barclays
ING
Revolut Business
Wise
Mercury

Billing & payments

Stripe
Adyen
Chargebee
Mollie

Payroll & HR

ADP
Deel
HiBob
Personio
Rippling

Spend

Ramp
Pleo
Spendesk
Brex
Navan

Files & spreadsheets

Excel
Google Sheets
Google Drive
SharePoint
OneDrive
Box
Dropbox
AWS S3

Data & BI

Snowflake
BigQuery
Databricks
Redshift
Looker
Power BI

Collaboration

Slack
Notion
Email

Questions, answered.

Do I need to code?

Do I need to connect my ERP?

Will an agent post directly to my books?

How is this different from using a general AI tool?

Which ERPs does it work with?

Is my data used to train AI models?

  • “Stacks has made our close feel faster and smoother, and honestly, it just works the way it should.”

    Photo of Alexander Österlind
    Photo of Alexander Österlind

    Alexander Österlind

    Revenue Accounting Manager at Epidemic Sound

  • “Your Excel Assistant has saved me hours of work.”

    Photo of JP Smit
    Photo of JP Smit

    JP Smit

    Global Head of Accounting & FinOps at Nivoda

  • “In the short term, [Stacks] will ease the pressure of our finance team during pinch points through automation. In the longer term, I hope it will enable us to scale at lower cost and it will support better informed decisions as a business.”

    Photo of Dominique Highfield

    Dominique Highfield

    CFO at Bloom & Wild

  • “When we started, the close took about 12 days. Today, a six-person team closes six subsidiaries in NetSuite, and we’re usually done by 10 a.m. on the first workday.”

    Photo of Jason Brownlee

    Jason Brownlee

    Sr. VP of Accounting at Onboard

  • “Stacks themselves are continuously bringing out new features too, while they scale and grow. It’s useful to be with them for this part of their journey, to feed into and benefit from their developments.”

    Photo of Emma Voak

    Emma Voak

    Group Head of Financial Reporting at Bloom & Wild

  • “Stacks has been very intuitive to use, and added the needed structure to our Close process. The team shared the same sentiment - we enjoy using it.”

    Photo of Blayne Bester

    Blayne Bester

    Head of Accounting and Control at DataSnipper

  • “If you want to achieve an agile, transparent, and significantly faster close without adding headcount, Stacks is the way to go.”

    Photo of Jessica Lindholm

    Jessica Lindholm

    VP of Accounting at Epidemic Sound

  • “Stacks helped us bring real visibility to our reconciliations. We now have a shared understanding across the team - what’s in scope, who’s responsible, and when it’s due. People are notified as soon as something is ready or a balance changes”

    Photo of Alfie Sansom

    Alfie Sansom

    Finance Director at Bumper

  • “The time savings are material. We were surprised just how quickly the value showed up.”

    Photo of Jack Nottage

    Jack Nottage

    Head of Finance at Motorway

  • “With Stacks, we’re saving a noticeable amount of time on the financial close, and as a result we can produce the management accounts faster each month.”

    Photo of Andy M.
    Photo of Andy M.

    Andy M.

    Director of Finance at Cleo AI

  • “Our first month-end close on Stacks was during a really busy period for us, during audit. [Stacks] made our life so much easier, just to be able to track the work that we had.”

    Photo of Lucy Rutherford
    Photo of Lucy Rutherford

    Lucy Rutherford

    Financial Reporting and Insights Manager at Yoto

What will you hand over first?

Pick a task or describe your own to get started with Stacks Agent.

Stacks Agent
Start

What will you hand over first?

Pick a task or describe your own to get started with Stacks Agent.

Stacks Agent
Start