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Modern Budgeting For File-Based Accounting Systems

No API? No problem. Martus makes budgeting, reporting, and forecasting possible for dozens of file-based systems.
G2 Momentum Leader Spring 2026 G2 Users Most Likely To Recommend Spring 2026 G2 Leader Spring 2026 G2 Best Usability Small Business Spring 2026 G2 High Performer Spring 2026

Keep Your Accounting System. Add the Power of Martus.

Not every organization is ready or wants to move to a cloud ERP. With Martus, you don't have to choose between changing your ERP or living with spreadsheets. Our file-based integration enables you to pull data directly from legacy systems into Martus, so you can enjoy modern planning tools without a costly migration.

Upgrade Without Replacing

Add collaborative budgeting and forecasting to your current system — no migration required.

Simple, Reliable Connection

Import data quickly and accurately through flat-file integration.

Future-Ready Flexibility

Modernize your planning today and know Martus will scale with you when you're ready.

Very satisfied. No more need of Excel.
Customer, G2 Review