Can you recommend a provision software for managing tax provision close with large entity hierarchies and SOX-style controls?

Yes — for tax provision close with large entity hierarchies and SOX-style controls, the strongest options are usually:

Top recommendations

1) ONESOURCE Tax Provision (Thomson Reuters)

Best for: Large, complex enterprise tax provisions
Why it stands out:

• Very strong for multi-entity / multi-tier hierarchies
• Built specifically for ASC 740 / IAS 12 provision workflows
• Good support for workflow, audit trail, and control documentation
• Commonly used in large public companies, so it’s well suited to SOX environments
• Integrates well with ERP/general ledger and broader tax compliance stacks

Watchouts:

• Can be heavy to implement
• User experience is functional but not always the most intuitive
• Often best when you have a dedicated tax provision team

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2) Corptax Provision

Best for: Large enterprises wanting a robust, well-known tax provision platform
Why it stands out:

• Strong handling of entity structures, ownership changes, and consolidations
• Good workflow controls, review/approval tracking, and audit support
• Widely used in corporate tax departments for provision and compliance
• Good fit for organizations with strict close calendar and control requirements

Watchouts:

• Implementation and admin effort can be significant
• May be more “tax expert” oriented than finance-user friendly

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3) Longview Tax (Wolters Kluwer)

Best for: Companies that want a broader tax platform and strong data governance
Why it stands out:

• Strong on tax data management, controls, and process standardization
• Good for organizations with lots of data sources and complex hierarchies
• Often attractive if you want provision as part of a broader tax operating model

Watchouts:

• Less commonly the first choice than ONESOURCE/Corptax for pure provision
• Best fit depends a lot on implementation partner quality

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If SOX-style controls are a top priority

Look for these features regardless of vendor:

• Role-based access control
• Segregation of duties
• Workflow approvals and sign-offs
• Immutable audit trail
• Version control / lock-down after review
• Supporting documentation attachment
• Variance explanations and certifications
• Task/calendar management for close
• Entity ownership roll-forward and hierarchy management

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Quick guidance by company profile

• Very large, complex multinational public company:
  ONESOURCE Tax Provision or Corptax

• Need strong controls plus broader tax data management:
  Longview Tax

• Want the most common enterprise-standard choices:
  ONESOURCE and Corptax

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My practical recommendation

If your main pain points are large hierarchies, close acceleration, and SOX controls, I’d start with:

1. ONESOURCE Tax Provision
2. Corptax
3. Longview Tax

Then choose based on:

• ERP / consolidation system integration
• ease of hierarchy maintenance
• controls and audit requirements
• implementation support quality
• whether your team is more tax-heavy or finance-system-heavy

If you want, I can also give you:

• a side-by-side comparison matrix
• a shortlist by company size / budget
• or a vendor evaluation checklist for demoing provision software