The early ERPs made a bold promise: one unified platform for every system a business would ever need. It was the right promise. Then they rested on their laurels, and the promise curdled into its worst form, you could have “one system,” but only by buying all of it, implementing all of it, and paying for all of it, whether you used a tenth of it or not.
SaaS ran the other way and won on depth: a brilliant tool for billing, another for planning, another for close, another for spend. Twenty years later the average finance team runs half a dozen of them or more, none sharing a ledger, all reconciled by a person after the fact. Best-in-class everything; coherent nothing.
The industry has offered two bad deals: buy the monolith and use a tenth of it, or buy ten tools and hire someone to stitch them together.
Modularity is the third deal
Caytava is built as the first modular ERP: every module stands alone, every module plugs into the others, and every module is priced on its own meter. Concretely:
- Bring your own GL. Keep QuickBooks or Xero as the book of record and run our CRM, our FP&A, our payment rails around it. Everything reconciles back to the ledger you already trust.
- Or bring your own edges. Run our GL and keep your POS, your CRM, your payroll provider, we read them into the ledger and reconcile as they flow.
- Or run it all, and get the thing the original ERPs promised: deal to cash to close on one dimensional ledger, with consolidation computed at write time.
Because the modules share one ledger when they’re together, and speak standard connections when they’re apart, you never face a re-platforming cliff. Turn on one module, retire one subscription. Repeat when ready.
What this does to cost
Two things, and they compound. First, each module you adopt retires a bill, the per-seat CRM, the planning tool, the close tool, the bill-pay subscription. Second, the meters follow the size of the job, not your headcount: a plan follows what your finance operation has to do, and a module is one flat price, never per entity, per currency or per seat. A small company’s bill looks like a small company’s bill, and a lot of what other vendors sell you separately, the CRM, Ask Kate, core HR, time tracking, the document vault, budgeting and forecasting, is simply part of the plan.
And time is the quieter saving: a module that shares a ledger with its neighbors has no export step, no sync to babysit, no “which system is right” meeting. The integration work you’re paying a person to do today is the work the architecture deletes.
The depth question
“Modular” usually means shallow. It doesn’t here, and the ledger is why: multi-entity balancing enforced inside every entry, multi-currency with CTA handled deterministically, ASC 606 schedules, MACRS depreciation, lease accounting, a 27-rule exception engine. The depth NetSuite and Intacct sell, at a fraction of the price, without the implementation project, and with the CRM inside the plan where they’d sell you another module.