# Thomson Reuters ONESOURCE alternatives: what AI models name instead, September 2026

Finance AI Recommendation Index, September 2026 Edition. 188 of the 216 answers in the 1 category where Thomson Reuters ONESOURCE 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/thomson-reuters-onesource/alternatives/

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

- Thomson Reuters ONESOURCE Tax Provision: 43
- Bloomberg Tax Provision: 16
- Avalara: 6
- Exactera Tax Provision: 6
- Sovos Tax Provision: 6
- CSC Corptax: 4

## Corporate tax provision

**Small business**: 67 of 72 answers did not name Thomson Reuters ONESOURCE (Thomson Reuters ONESOURCE is #8 of 9 at 2%).

- Bloomberg Tax Provision: first choice in 9 of those 67
- TurboTax Business: first choice in 4 of those 67
- Avalara: first choice in 3 of those 67
- Drake Tax: first choice in 3 of those 67
- Drake Tax Provision: first choice in 3 of those 67
- Exactera: first choice in 3 of those 67
- Exactera Tax Provision: first choice in 3 of those 67
- QuickBooks Online: first choice in 3 of those 67

**Mid-market**: 64 of 72 answers did not name Thomson Reuters ONESOURCE (Thomson Reuters ONESOURCE is #3 of 9 at 10%).

- Thomson Reuters ONESOURCE Tax Provision: first choice in 16 of those 64
- Bloomberg Tax Provision: first choice in 6 of those 64
- Avalara: first choice in 3 of those 64
- Exactera Tax Provision: first choice in 3 of those 64
- Longview Tax: first choice in 2 of those 64
- OneStream: first choice in 2 of those 64
- Sovos Tax Provision: first choice in 2 of those 64
- Thomson Reuters ONESOURCE Income Tax: first choice in 2 of those 64

**Enterprise**: 57 of 72 answers did not name Thomson Reuters ONESOURCE (Thomson Reuters ONESOURCE is #2 of 9 at 20%).

- Thomson Reuters ONESOURCE Tax Provision: first choice in 27 of those 57
- CSC Corptax: first choice in 4 of those 57
- Sovos Tax Provision: first choice in 4 of those 57
- ADP SmartCompliance: first choice in 1 of those 57
- Bloomberg Tax Provision: first choice in 1 of those 57
- CCH Tagetik Tax Provision & Reporting: first choice in 1 of those 57
- Fonoa: first choice in 1 of those 57
- Thomson Reuters ONESOURCE Income Tax: first choice in 1 of those 57

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