The Modern Startup Finance Stack
What the fastest-growing companies are using in 2026. Five layers, one connected stack.
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The five layers of a modern finance stack
The leading tools at each layer, what separates high-performance from legacy choices, and what each connection unlocks when you bring it together with Puzzle.
1
Banking
Where your money lives and how it flows
2
Payments
How revenue enters the stack
3
Cards & Expenses
How your team spends
4
Payroll & HR
How you pay your people
5
Accounting
Where it all comes together
See it against your own stack.
The guide is the playbook. A 15-minute call shows you what it looks like with your actual tools, your team, and your current close.
We'll map your real stack: banking, payments, cards, payroll.
You'll see where connecting it saves time, and where it doesn't.
No deck, no pitch. Just a working session.
Free. No sales pitch.
7,000+ accounting firms and startups trust Puzzle.
What Puzzle does for startups
Accurate books at AI speed. The close actions that change yourbooks run through human review before they post.
AI-assisted workflows
Puzzle categorizes transactions, reconciles accounts, and builds revenue schedules. No rules to babysit.
Native startup integrations
Stripe, Mercury, Ramp, Brex, Deel, Gusto. Your modern stack, working with Puzzle.
Ready to read it?
The fastest-growing startups run one connected stack. Drop in your work email and the guide is yours.
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