Best finance tools & integrations for small businesses (2026)
Small-business finance software has split into layers, and embedded finance has blurred the lines between them. This roundup explains what each layer does, what to buy first, and which decisions you can make today with a free calculator.
Last updated: February 2026
The six layers of a small-business finance stack
| Layer | What it does | Typical options |
|---|---|---|
| Bookkeeping & invoicing | The ledger of record: invoices out, bills in, bank reconciliation, tax returns. | Xero, QuickBooks, Zoho Books, Wave |
| Payments acceptance | Taking card and bank payments online or in person, with payouts into your account. | Stripe, Square, Adyen, Razorpay |
| Embedded finance platforms | Banking, cards, or lending offered inside another product you already use — a marketplace advancing seller payouts, or a SaaS tool issuing expense cards. | Banking-as-a-service and card-issuing providers used by your existing vendors |
| Financing & credit | Working capital: revenue-based advances, invoice financing, or a line of credit tied to your sales data. | Platform-native financing from your payments or marketplace provider |
| Spend & expenses | Company cards, receipt capture, approvals and reimbursements. | Ramp, Brex, Pleo, Expensify |
| Planning & analysis | Budgets, forecasts and scenario models sitting on top of actuals. | Spreadsheets, Aleph, Causal-style FP&A tools |
What embedded finance actually changes
“Embedded finance” means financial products delivered inside software you already use rather than through a bank you visit separately. In practice that looks like a marketplace offering sellers an advance on next week’s payout, an invoicing app offering to factor an unpaid invoice, or a vertical SaaS product issuing branded expense cards.
The advantage is context: the provider already sees your transaction history, so approval is faster and underwriting is data-driven. The risk is comparison shopping — an offer presented at checkout is rarely benchmarked against a bank loan. Convert every offer to an annual cost before accepting it; a “2.5% fee” on a 30-day advance is not 2.5% a year.
What to buy, in order
- A business bank account separate from personal money — this alone removes most bookkeeping pain.
- Invoicing and bookkeeping, as soon as you have recurring customers or a tax filing obligation.
- Payments acceptance, matched to how customers actually want to pay you.
- Expense cards and receipt capture, once more than one person spends company money.
- Planning tools last. Until then a spreadsheet plus calculators is genuinely enough.
Free tools for the decisions above
Break-Even Calculator
Find how many units you must sell to cover your fixed costs. Free online break-even calculator that runs in your browser — no upload, no watermark, no sign-u…
Profit Margin Calculator
Calculate gross profit, margin and markup from cost and revenue. Free online profit margin calculator that runs in your browser — no upload, no watermark, no…
Freelance Hourly Rate Calculator
Work out the hourly rate you need to charge to hit an income target. Free online freelance hourly rate calculator that runs in your browser — no upload, no w…
GST Calculator
Add or remove GST from any amount at any rate. Free online gst calculator that runs in your browser — no upload, no watermark, no sign-up.
Loan Calculator
Work out the monthly payment, total interest and total cost of any loan. Free online loan calculator that runs in your browser — no upload, no watermark, no…
ROI Calculator
Measure return on investment as a percentage and annualised rate. Free online roi calculator that runs in your browser — no upload, no watermark, no sign-up.
More on the finance tools hub, and see the reporting templates guide for the reports lenders and accountants ask for.