Best Tax Provision Software in 2026
Updated
In short: Flowie is ranked #1 of 19 as of 4 October 2026, ahead of OneStream and CSC Corptax. The lowest first paid tier on this page is Flowie at €12/mo.
For teams calculating and managing tax provisions, these products can be compared by the processes and standards they cover. Look at provision scope and accounting standards alongside rate reconciliation, tax forecasting, and provision-to-return support. Excel workflow and jurisdiction limits may also shape fit; free-plan and paid-from details add cost context. Flowie, CSC Corptax, and Kleos lead the ranking, followed by Lucasys Tax Provision and OneStream. Use the listed criteria to weigh how each option aligns with your organization’s accounting requirements, jurisdictions, and existing finance workflows.
19 tax provision software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Flowie Top pick · 6.8 Free plan · €12/mo
#2 OneStream Runner-up · 6.8 
#3 CSC Corptax Also great · 6.4 - Free planFree trial apiself-hostedWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms€12/mofirst paid tier About FlowieVisit site - AndroidapiiOSself-hostedWebWindowsRecognisedDocumentedFree planPlatforms
- Web
- Accounting standards
- asc 740
- Provision scope
- current and deferred
- Tax forecasting
- Yes
- Rate reconciliation
- Yes
RecognisedDocumentedFree planPlatforms - AndroidiOSRecognisedDocumentedFree planPlatforms
- Web
- Accounting standards
- asc 740
- Provision scope
- current and deferred
- Tax forecasting
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Accounting standards
- asc 740
- Tax forecasting
- Yes
RecognisedDocumentedFree planPlatforms - Free trial apiWebRecognisedDocumentedFree planPlatforms
- Web
- Provision scope
- current and deferred
- Tax forecasting
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Accounting standards
- asc 740
- Provision scope
- current and deferred
RecognisedDocumentedFree planPlatforms - apiself-hostedWebWindows
- Accounting standards
- both
- Provision scope
- current and deferred
- Rate reconciliation
- Yes
RecognisedDocumentedFree planPlatforms - WebWindowsRecognisedDocumentedFree planPlatforms
- WebWindows
- Free plan
- No
- Accounting standards
- both
- Provision scope
- current and deferred
- Tax forecasting
- Yes
- Rate reconciliation
- Yes
RecognisedDocumentedFree planPlatforms - WebRecognisedDocumentedFree planPlatforms
- Web
- Free plan
- No
- Accounting standards
- both
- Provision scope
- current and deferred
- Tax forecasting
- Yes
- Rate reconciliation
- Yes
RecognisedDocumentedFree planPlatforms - WebWindows
- Free plan
- No
- Accounting standards
- both
- Provision scope
- current and deferred
- Tax forecasting
- Yes
- Rate reconciliation
- Yes
RecognisedDocumentedFree planPlatforms - RecognisedDocumentedFree planPlatforms
-
- Accounting standards
- both
- Provision scope
- current and deferred
- Rate reconciliation
- Yes
RecognisedDocumentedFree planPlatforms - RecognisedDocumentedFree planPlatforms
- RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which tax provision software is ranked first on Everything Xiaomi?
Flowie is ranked #1 of 19 with a score of 6.8. OneStream is second and CSC Corptax third.
How many of these have a free plan?
1 of the 19 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Flowie has the lowest first paid tier we found: €12/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.