Corporate tax provision · RankedThomson Reuters ONESOURCE Tax Provision
Thomson Reuters ONESOURCE Tax Provision is corporate tax provision software that automates the calculation of tax estimates and streamlines reporting to help speed up the financial close · thomsonreuters.com ↗
Leads at enterprise. Ranked 110 of 111 for small business buyers.
The standing depends on who is buying. Every model is asked the same questions for each company size.
TaxAct Business is first at 29%.
Bloomberg Tax Provision is first at 19%. 7 of 14 models made it the first choice when asked directly.
Ranked first. Next is CSC Corptax Accounting for Income Taxes at 8%.
Why models recommend it
“For corporate tax provisions, use established enterprise software like Thomson Reuters ONESOURCE or Wolters Kluwer CCH Axcess, but vet them through your organization's IT/security team.”Grok 4.20 · Negative question · first choice
“the "best" corporate tax provision software generally comes down to two top contenders: Bloomberg Tax Provision and Thomson Reuters ONESOURCE”Qwen 3.7 Flash · Direct question · first choice
“I'd suggest starting with either Bloomberg Tax Provision or ONESOURCE Tax Provision as your primary considerations”MiniMax M2.5 · Direct question · first choice
“Long-time market leader (historically ~21% market share)... Market-leading calculation engine for complex tax scenarios”Kimi K2 · Comparative question · first choice
What gives them pause
“Avoid Enterprise Tools: ONESOURCE, Bloomberg, or Longview are top-rated for robust provision ... but have high licensing, implementation, and training costs”Grok 4.20 · Budget-constrained question · warning
“What to avoid on a tight budget: Enterprise provision suites such as Thomson Reuters ONESOURCE Tax Provision”Muse Glimmer 30B · Budget-constrained question · warning
“Avoid as a first choice on a tight budget: ONESOURCE, CSC Corptax, and similar enterprise suites”Perplexity Sonar · Budget-constrained question · warning
“Avoid ONESOURCE and Corptax unless you have a Fortune-500-style tax department.”Muse Glimmer 30B · Negative question · warning
Also on the shortlist
The products named in the same answers as Thomson Reuters ONESOURCE Tax Provision, over the 161 answers that named it, and how often each was the first choice instead.
| Product | Named together | Picked instead | |
|---|---|---|---|
| 95 | 7 | Compare → | |
| 90 | 18 | Compare → | |
| 89 | 2 | Compare → | |
| 38 | 0 | View → | |
| 30 | 1 | Compare → | |
| 28 | 1 | Compare → | |
| 24 | 2 | Compare → | |
| 24 | 0 | View → | |
| 20 | 0 | View → | |
| 19 | 6 | View → |
What the models named instead of Thomson Reuters ONESOURCE Tax Provision →
A side-by-side page exists where both products are among a category's top eight.
At a glance
Stated on Thomson Reuters ONESOURCE Tax Provision's own site, not checked by Gane.
- For
- i team fiscali dei gruppi multinazionali
How this is measured
Fourteen AI models from 12 labs are asked the same buying questions six ways, for three company sizes. Standings refresh every edition.
Gane sells AI visibility software. No company can pay to change a result.
Read the method →Sources returned with these answers
Fourteen of the fourteen models returned a source list in this edition: five return the pages they cited and nine the search results they consulted. These counts come from 149 of the 161 answers that named Thomson Reuters ONESOURCE Tax Provision and are not a share of its labels.
Domains cited
299 of the 460 domain citations in answers naming Thomson Reuters ONESOURCE Tax Provision came from a third party's page. Sixty-seven were to the publisher's own pages (the Gane Index), which the models cite like any other source; they are not counted as a third party.
Pages cited
Pages are listed as the models cited them.
By model
| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 1 | 1 | 0 | 0 | 2 |
| GPT-5.4 mini | 1 | 1 | 0 | 1 | 3 |
| Gemini 3.5 Flash | 2 | 2 | 0 | 2 | 6 |
| Perplexity Sonar | 1 | 1 | 0 | 1 | 3 |
| Grok 4.20 | 3 | 0 | 1 | 2 | 6 |
| Mistral Small | 3 | 0 | 1 | 1 | 5 |
| DeepSeek V4 Flash | 2 | 0 | 1 | 2 | 5 |
| Llama 4 Maverick | 0 | 1 | 0 | 1 | 2 |
| Qwen 3.7 Flash | 1 | 0 | 1 | 2 | 4 |
| Kimi K2 | 2 | 1 | 0 | 1 | 4 |
| GLM 4.7 FlashX | 1 | 2 | 0 | 0 | 3 |
| MiniMax M2.5 | 2 | 0 | 1 | 0 | 3 |
| GPT-6 Luna | 1 | 0 | 1 | 0 | 2 |
| Muse Glimmer 30B | 1 | 1 | 0 | 3 | 5 |