Stay on Avalara when their win still matches the job. Look at ficary when you want practice management and books on one platform. Nominative comparison — not a partnership and not a client story.
Stay on Avalara when
Choose Avalara when you need determination and returns this month and will keep the ledger elsewhere.
Rates, nexus, returns, VAT, and a calc engine billed on transaction volume. If filing sales tax this week is the job, they already sell that.
Look at ficary when
Choose ficary when collected vs remitted has to be leftover-honest on the same books as the rest of the month.
The books. Calculated tax that never posted as payable is still a leftover. Invoice tax credits a payable account here — never income.