Thomson Reuters ONESOURCE
Tax Provision & Research
Enterprise tax provision, compliance, and determination software
large, enterpriseenterprise
Corptax (Wolters Kluwer)
Tax Provision & Research
Corporate tax provision and compliance software for large enterprises
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Thomson Reuters Checkpoint
Tax Provision & Research
Comprehensive tax research platform with primary sources and analysis
small, mediumprofessional
Bloomberg Tax
Tax Provision & Research
Premium tax research and workflow platform with global coverage
medium, largeprofessional