# CSC Corptax alternatives: what AI models name instead, October 2026

Finance AI Recommendation Index, October 2026 Edition. 210 of the 252 answers in the 1 category where CSC Corptax holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://finance-ai-index.com/vendors/csc-corptax/alternatives/

## Named instead, most often (every category and segment added)

- Thomson Reuters ONESOURCE Tax Provision: 31
- Bloomberg Tax Provision: 26
- TaxAct Business: 24
- TurboTax Business: 7
- Thomson Reuters ONESOURCE Income Tax: 6
- Exactera Tax Provision: 5

## Corporate tax provision

**Small business**: 80 of 84 answers did not name CSC Corptax (CSC Corptax is #9 of 9 at 0%).

- TaxAct Business: first choice in 17 of those 80
- Bloomberg Tax Provision: first choice in 13 of those 80
- TurboTax Business: first choice in 7 of those 80
- Exactera Tax Provision: first choice in 3 of those 80
- QuickBooks Online: first choice in 3 of those 80
- Taxfyle: first choice in 3 of those 80
- Avalara: first choice in 2 of those 80
- Drake Software: first choice in 2 of those 80

**Mid-market**: 75 of 84 answers did not name CSC Corptax (CSC Corptax is #9 of 9 at 0%).

- Bloomberg Tax Provision: first choice in 13 of those 75
- Thomson Reuters ONESOURCE Tax Provision: first choice in 13 of those 75
- TaxAct Business: first choice in 7 of those 75
- Sovos Tax Provision: first choice in 3 of those 75
- Thomson Reuters ONESOURCE Income Tax: first choice in 3 of those 75
- Vertex: first choice in 3 of those 75
- Exactera Tax Provision: first choice in 2 of those 75
- Longview Tax: first choice in 2 of those 75

**Enterprise**: 55 of 84 answers did not name CSC Corptax (CSC Corptax is #2 of 9 at 12%).

- Thomson Reuters ONESOURCE Tax Provision: first choice in 18 of those 55
- Thomson Reuters ONESOURCE Income Tax: first choice in 3 of those 55
- Wolters Kluwer CCH Tagetik Tax Provision: first choice in 2 of those 55
- ADP: first choice in 1 of those 55
- Avalara: first choice in 1 of those 55
- Avii Workspace: first choice in 1 of those 55
- Deel: first choice in 1 of those 55
- Longview Tax: first choice in 1 of those 55

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.