Clear finances Better decisions

Invoicing, accounting, treasury, analytics and AI, unified in one modern platform.

Swiss-hosted FADP compliant AI-powered
Mast’s cash flow screen: the cash position month by month, actual and forecast
Mast’s dashboard: the cash position over the last month and the key figures
Mast’s phone app: a bank account’s balance and its curve
Platform

One platform for every financial workflow

From invoicing to reporting, bank reconciliation to real-time analytics. Everything your finance team needs, in one place.

Activity

The full invoicing cycle

Offers, invoices, credit notes and delivery notes, create, send and track every document through to payment. Automated reminders and outstanding amounts at a glance.

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Accounting

Compliant books, zero guesswork

Journal entries generated from invoices, purchases and reconciliation, Swiss SME chart of accounts and OR/CO compliance built in from day one.

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Treasury

Reconcile, forecast, control

Import bank statements, reconcile transactions and monitor your cash position by currency and account, from daily overview to cash forecasting.

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Reports

Your numbers, ready when you are

Balance sheet, income statement, cash flow and VAT returns, generated in a few clicks, always current, ready to share with your accountant or auditor.

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Database

Your master data, fully connected

Customers, suppliers, products and cost centers in one place. Revenue per contact, payment history and Excel import/export.

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Analytics

From data to decisions

Custom dashboards and real-time KPIs. Analyze performance by client, period or cost center in a few clicks.

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Mast AI

AI that understands your finances

Ask questions in natural language and get answers based on your live data. Cash flow, revenue, variances, Mast AI surfaces what matters.

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Budget & Planning

Plan, compare, adapt

Budgets, scenarios and actual vs. forecast tracking, with real-time variance analysis and waterfall charts to spot deviations early.

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Audit & Compliance

Automated audit

Automatic anomaly detection on your ledger, centralized auditor communication and period-by-period closing controls.

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Practice cockpit

Your whole practice on one screen

Every client in one table, with the fiscal year-end, the services you run and the team on the mandate. Every deadline in one list, soonest first, and one click to open each mandate.

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Why It Matters

What changes when you use Mast

Real-time collaboration

You and your fiduciary work on the same platform. Whether they manage your books or you do it yourself, everyone sees up-to-date entries, documents and reports, no manual exports or back-and-forth between tools.

Less manual work

Smart suggestions, assisted bank reconciliation and automated entries where possible. A modern interface that reduces data entry, so your team or fiduciary can focus on analysis instead of routine tasks.

Clarity at any moment

Revenue, margins, cash position and KPIs update in real time, ready for your next board meeting, client review or strategic decision. No more waiting for month-end to see where you stand.

AI Assistant

Meet Mast AI

A built-in assistant to help you navigate Mast and explore your data. Ask simple questions, get quick summaries of your numbers, and find your way around the app faster.

  • Find invoices, bills, and transactions with simple prompts
  • Get quick overviews of revenue, expenses, and receivables
  • Summarize your numbers for a quick look
  • Find your way around Mast and clarify accounting terms
Mast AI
What’s our revenue since January, compared with last year?
From your invoices:
  • 2026 to date: CHF 523’100 (51 invoices)
  • Same period 2025: CHF 487’300 (42 invoices)
  • Growth: +7.3% year on year
The detail is in Reports › Income statement.
30+
Currencies supported
50+
Charts & widgets
CH
Swiss-hosted
20+
Automated audit checks
Swiss GAAP & OR ComplianceISO 20022 & QR-Bill SupportComplete Audit Trail swiss made software
How It Works

Get started today

Step 1

Set Up Your Company

Fill in your company details, select your accounting language, and invite your fiduciary or accountant to collaborate.

Step 2

Import Your Data

Import your chart of accounts, opening balances, customers, suppliers, and products via Excel. Start with the Swiss KMU template or bring your own.

Step 3

Connect Your Banks

Connect your bank over EBICS and Mast fetches your statements every morning. You can also upload camt.053 statements, the standard format of Swiss banks.

Step 4

Customize & Go Live

Customize templates, settings and preferences to fit your workflow, invite the rest of your team, and go live.

Bespoke services

A more complex setup?

Our team offers tailored onboarding and integration services for larger or specialised needs.

Contact us
Switching to Mast

Two ways to bring your books across

Self-service · Free

Do the migration yourself, at no cost

Download our Excel templates, paste your data in, and upload the files in the setup wizard. If you are comfortable with that and your data fits the templates, that is all it takes to start working in Mast.

What we bring over
  • Chart of accounts and opening balances, from our templates or your own file
  • Open invoices and bills carry over, so payment matching keeps working
  • Customers, suppliers, products, and fixed assets from the same templates
Book a demo
Mast team · Paid service

We do it for you

Choose this if you want your full posted history, or your data does not fit the templates, or you would rather not handle it yourself. Fiduciary firms use it to migrate several mandates at once. A paid service, scoped with you before anything moves.

What we bring over
  • Your posted financial years, carried over entry by entry, documents included
  • From bexio, Abacus, WinBIZ, Banana, Crésus, and others
  • For fiduciary firms, several client mandates moved together
Talk to our team

See Mast in action

A live demo, on workflows like yours.

Prefer email? contact@mastfinance.io