Close Your Books
Faster with AI

Stop losing evenings to reconciliations, manual journals and variance commentary that takes longer to write than the numbers themselves.

Automate bank reconciliations, from first match to exceptions

Catch journal errors before they hit your ERP

Generate flux commentary for single accounts or the full close

1

Request a demo

2

Connect your ERP

3

Save days on close

"On Aug 29th Epidemic Sound signed the agreement with Stacks. On Oct 6th we had fully launched and reconciled 700+ Tasks/Account reconciliations. Magic happens whe you have a dream team in the room!"

Jessica L.

VP of Accounting

Close Your Books Faster with AI

Stop losing evenings to reconciliations, manual journals and variance commentary that takes longer to write than the numbers themselves.

Automate bank reconciliations, from first match to exceptions

Catch journal errors before they hit your ERP

Generate flux commentary for single accounts or the full close

1

Request a demo

2

Connect your ERP

3

Save days on close

"On Aug 29th Epidemic Sound signed the agreement with Stacks. On Oct 6th we had fully launched and reconciled 700+ Tasks/Account reconciliations. Magic happens whe you have a dream team in the room!"

Jessica L.

VP of Accounting at Epidemic Sound

Close Your Books Faster with AI

Stop losing evenings to reconciliations, manual journals and variance commentary that takes longer to write than the numbers themselves.

Automate bank reconciliations, from first match to exceptions

Catch journal errors before they hit your ERP

Generate flux commentary for single accounts or the full close

1

Request a demo

2

Connect your ERP

3

Save days on close

"On Aug 29th Epidemic Sound signed the agreement with Stacks. On Oct 6th we had fully launched and reconciled 700+ Tasks/Account reconciliations. Magic happens whe you have a dream team in the room!"

Jessica L.

VP of Accounting

Get Your Evenings Back

See how AI removes the most time-consuming work from your month-end close. Fill in this form and we will reach out to book a free, no-commitment demo at a time that’s convenient for you.

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FLUX AI AGENT

A Faster, Smarter Month-End Close

Agentic AI Transaction Matching

AI matches 95%+ of your transactions automatically before you even open your laptop. Each match comes with a confidence score. Accept high-confidence matches to automate the routine - your team only touches the exceptions.

That’s fewer headcount hours every month and a predictable close timeline your CFO can count on.

“I've made it through 12 bank account matching processes in 35 minutes and I was multitasking and taking phone calls. Pretty slick tool.”

Jason Brownlee

Sr. VP of Accounting

Autonomous Reconciliation

By learning your specific patterns, Stacks transforms manual reconciliation into a simple review process flagging partial matches, anomalies, or missing entries. The AI agent explains why it flagged this item and summarises the evidence.

What used to take 30 minutes of detective work is now done before you open the issue.

“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.”

Andy M.

Head of Finance

Post Journals Faster, Smarter, and Error-free

Catch missing approvals and unexplained journal entries the moment they are posted, rather than months later. Stacks Excel add-on ensures manual journal entries are accurate, formatted, and seamlessly synced with your ERP.

“Stacks has completely changed how we post journals. What used to take hours with CSVs every close now takes minutes with the Excel Assistant.”

Ed D.

Senior Management Accountant

Instant Narrative Generation

Draft audit-ready variance explanations for 20+ accounts in under 30 seconds with a single click. Flux AI Agents analyse your transactions - matching invoices, journal entries, and historical trend - and write explanations for each account + executive-ready summaries that capture the story of the period.

"The explanations that were popping up were clear and definitely super helpful. I could see that in the team. It saved a lot of time."

Joanna Cole

Financial Controller

From Variance to Root Cause in Seconds

The AI surfaces the root causes behind each variance - matching invoices, journal entries, and supporting transactions. Each transaction is linked back to your ERP, so you can verify any line item in one click. Full audit trail, full transparency.

"Stacks' Flux Analysis saves us days of work."

JP Smit

Global Head of Accounting & FinOps

HOW IT WORKS

Deploys Fast. Learns Instantly. Adapts Seamlessly.

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Talk to a Stacks Expert

Free consultation: Map your current workflow to identify exactly where AI drives radical productivity gains in your specific month-end cycle.

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2

See Stacks in Action

View a live demo using your own (or example) data. Experience how autonomous recs work while keeping your close accurate and auditable.

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Go Live in Weeks

Connect to your ERP and your team for a fast, lightweight setup. Be fully operational with automated narratives in just weeks.

SECURITY & INTEGRATIONS

Automation you can trust.

Secure, compliant, and enterprise-ready.

Secure, compliant, and enterprise-ready.

Enterprise-grade security built in

Enterprise-grade security built in

SOC 2 Type II

SSO

SSO

Single Sign-On (SSO)

GDPR

HIPPA

Integrations

Integrations

NetSuite, SAP, Microsoft Dynamics

Major Banks

Excel/Synced Sheets

Slack

Microsoft Teams

WHO STACKS IS FOR

Built for Forward-Looking Finance Teams

Purpose built

Stacks is built for teams obsessed with precision and progress.

Radically boost productivity

By combining automation with agentic AI, they're achieving radical productivity gains and a close process that's faster, predictable, and fully auditable.

Built to scale

Join the teams using finance innovation to power their next stage of growth.

See How Teams Are Closing Faster with Stacks

See How Volt Reduced
Closing By 3 Days

"Stacks has transformed how our finance team operates. From automating manual tasks like journal uploads and bank reconciliations to streamlining our month-end process with real-time variations, it's saved us time and reduced frustration. We've already reduced the time to be close by 3 days since implementation. Our target with Stacks is to be able to close the books in three days by the end of 2025."

Graham B.

SVP of Finance at Volt

See How Nivoda Fixed Month-End at Scale

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

Jean-Paul S.

Global Head of Accounting & FinOps at Nivoda

“On Aug 29th Epidemic Sound signed the agreement with Stacks. On Oct 6th we had fully launched and reconciled 700+ Tasks/Account reconciliations. Magic happens when you have a dream team in the room!”

Jessica L.

Jessica L.

VP of Accounting at Epidemic Sound

VP of Accounting at Epidemic Sound

FAQs

FAQs

Is Stacks built for NetSuite?

Yes. Stacks connects directly to NetSuite transactions and imports, without any need for CSVs or spreadsheets.

How accurate is the matching?

Match outcomes hit 95%+ auto-match accuracy where data, logic, and category data allow.

How long does implementation take?

Most teams go live in weeks - not months.

Can Stacks work with other ERPs?

For every customer we launch from, we prioritise ERP support as needed.

Is our data secure?

Yes. Stacks is SOC 2 Type II certified, supports SSO, and complies with GDPR and HIPAA.

Do I need IT to set it up?

Stacks is built to be lightweight. Most teams require minimal or no IT involvement.

How is it different from FloQast?

Unlike FloQast, which only tracks your team's work, Stacks does the work: automating reconciliations, journal, and variance insights tied to live NetSuite, so it's accounting intelligence in action rather than faster and less intelligent spreadsheets.

Can I test it with my own data?

Yes, we offer live trials, so you can experience Stacks using your actual workflows and see real results.

BOOK A DEMO

See how to use AI to close your books faster

See how to use AI to close your books faster

See how to use AI to close your books faster

No pressure — just a quick demo to show what’s possible.

No pressure — just a quick demo to show what’s possible.

No pressure — just a quick demo to show what’s possible.

37

%

reduction in month-end close time

reduction in month-end close time

87

%

auto manual reconciliation

23

%

faster audit
cycles

faster audit
cycles

Speed up your close with predictable close timeline

Spot financial issues before they escalate

Cut investigation time from hours to minutes