KashFlow Review (2026): UK Cloud Accounting Software From IRIS For Sole Traders, Small Businesses, And Growing Companies

KashFlow streamlines accounting, invoicing, payroll, expense tracking, and VAT management for small businesses.

Updated June 19, 2026

By James Han · How we review

3.7 MAQTOOB rating

Our Verdict

KashFlow is a reasonable option when a UK small business wants cloud accounting with invoicing, expenses, VAT, bank feeds, reporting, and payment collection in one product. It works well for users already comfortable with IRIS products or looking for a UK-focused alternative to larger accounting brands.

Do not pick it only because the entry plan looks simple. In the trial, create real invoices, connect a bank feed, test VAT reporting, try recurring invoices, and check whether reports match what your accountant expects. If your company needs deeper reporting, approvals, or payment controls may prefer Clear Books, FreeAgent, or Xero before migration.

A good fit if you

  • UK sole traders and contractors sending invoices and tracking expenses.
  • Small limited companies that need VAT, bank feeds, and everyday reports.
  • Businesses that want accounting connected to online payments and payroll-adjacent workflows.
  • Users comparing UK accounting tools with public prices and a short trial.

Look elsewhere if you

  • Companies outside the UK that do not need UK VAT or HMRC-focused accounting.
  • Medium-sized finance teams that need deep customization, approvals, and complex reporting.
  • Users who cannot test IRIS Pay, bank feeds, VAT, and reports before switching.
  • Businesses that need inventory, advanced project accounting, or a large app ecosystem.
Next step: write down the problem you need solved, check the price or ask the vendor for a quote, test one real workflow, then compare alternatives before you pay.

What Is KashFlow?

KashFlow is UK cloud accounting software from IRIS for sole traders, small businesses, and growing companies. It covers quotes, invoices, purchases, expenses, bank feeds, VAT online, payroll-related workflows, reports, dashboards, payments, mileage, and accountant sharing.

The product is aimed at UK users who want a cloud accounting system with clear starter and business plans rather than a custom sales process.

KashFlow Pros and Cons

Pros

  • Quotes and invoices — Helps teams handle quotes and invoices inside the main workflow, instead of leaving that job in disconnected tools.
  • Bank transactions — Helps teams manage bank transactions inside the main workflow, instead of leaving that job in disconnected tools.
  • VAT online — Helps teams manage vat online inside the main workflow, instead of leaving that job in disconnected tools.
  • UK contractors sending a few monthly invoices — Use KashFlow for quotes, invoices, expenses, VAT, and basic reports when transaction volume is low.

Cons

  • The UK that do not need UK — Poor fit for companies outside the uk that do not need uk vat or hmrc-focused accounting; those teams should choose a workflow built around that need.
  • Medium-sized finance teams that need deep customization — Poor fit for medium-sized finance teams that need deep customization, approvals, and complex reporting; those teams should choose a workflow built around that need.
  • Cannot test IRIS Pay, bank feeds, VAT — Poor fit for users who cannot test iris pay, bank feeds, vat, and reports before switching; those teams should choose a workflow built around that need.

Key Features

Feature What it does Best plan fit
Quotes and invoices Create quotes, send invoices, and track customer billing. Starter for light volume; Business for unlimited invoices.
Bank transactions Bank feeds and transaction tracking support daily bookkeeping. Starter has limits; Business removes transaction limit.
VAT online Supports VAT workflows for UK businesses. Starter and Business.
Payments and IRIS Pay Accept online payments and use payment-related workflows. Test carefully in trial.
Reports and dashboard Shows accounting reports and business visibility. Starter and Business; check report depth.
Multi-user access Allows more than one user in the accounting file. Business plan.

Who Uses KashFlow — and For What

UK contractors sending a few monthly invoices

Use KashFlow for quotes, invoices, expenses, VAT, and basic reports when transaction volume is low.

Starter may be enough if the limits fit.

Small companies with regular bookkeeping volume

Use Business when invoices, bank transactions, and user access need fewer limits.

Business is the plan to test.

Teams collecting invoice payments online

Use IRIS Pay and payment features if payment collection is part of the accounting workflow.

Test payment cancellation and reconciliation before relying on it.

Owners working with an accountant

Use accountant sharing and reports to keep tax and year-end work easier.

Invite the accountant during trial.

Pricing

Plan Price Best for / notes
Starter £13.50/month For sole traders, contractors, and small businesses with limited invoice and bank transaction needs; official page shows a promotional first-six-month discount for new users.
Business £27.50/month For growing businesses and limited companies; adds unlimited quotes, invoices, bank transactions, and multi-user access.
Free plan No free plan shown The official page lists paid plans, not a free plan.
Free trial 14 days The official page shows a 14-day free trial.

Source: Official pricing page.

KashFlow publishes official UK pricing, promotional discounts for new customers, and a 14-day free trial. No free plan was shown on the official page.

Prices checked 2026-06-17 against official product sources.

Integrations

KashFlow checks should include bank feeds, VAT submission workflow, IRIS Pay or payment processor behavior, payroll connections, accountant access, invoice templates, recurring invoices, reports, API needs, data export, and whether the plan limits fit monthly invoice and transaction volume.

Getting Started: What Implementation Actually Takes

Use the 14-day trial with real data. Create a quote and invoice, connect or simulate bank transactions, run VAT-related checks, test payments, and export reports for your accountant. Compare Starter limits against a normal month before choosing the cheaper plan. If you rely on IRIS Pay, test the full payment and cancellation flow.

Top KashFlow Alternatives

  • Choose Clear Books if fits UK users who want MTD-focused free routes and a wider plan split for sole traders, landlords, and companies.
  • Choose FreeAgent if fits freelancers and small businesses that want a polished UK accounting workflow.
  • Choose Xero if works better when a larger app ecosystem and accountant network matter.

Frequently Asked Questions

Does KashFlow have a free plan?

No free plan was shown on the official page.

Does KashFlow offer a free trial?

Yes. The official page shows a 14-day free trial.

Which KashFlow plan removes invoice limits?

The Business plan lists unlimited quotes and invoices.

Is KashFlow mainly for UK businesses?

Yes. The product and pricing are positioned around UK accounting needs such as VAT online.

What should users test before buying KashFlow?

Test invoicing, bank feeds, VAT, reports, IRIS Pay or payments, accountant sharing, and monthly plan limits.

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