BSI TaxFactory

At a glance

• Editor score
  6.1 / 10
• Pricing
  Pricing on request
• Best for
  Payroll platforms needing embedded tax calculations
• Jurisdiction coverage
  Federal_state_local
• Founded
  1979 · Peachtree Corners, Georgia, United States
• Facts checked
  20 Sep 2026

• Where it wins

  • Calculates federal, state, local, and U.S. territory payroll taxes
  • Covers employee, employer, reciprocal, wage-attachment, and pension rules
  • Integrates with payroll, HR, and deferred-income systems

• Where it doesn't

  • Pricing requires a sales conversation
  • Designed for integration rather than standalone payroll use
  • Filing and payment management are outside its described scope

Our verdict on BSI TaxFactory

BSI TaxFactory is a U.S. payroll tax calculation engine for payroll vendors, service bureaus, government agencies, healthcare organizations, educational institutions, and other employers. Its core role is calculating employee and employer taxes across federal, state, local, and U.S. territory jurisdictions. The product is best suited to organizations embedding tax logic into an existing payroll, HR, or deferred-income environment rather than teams seeking a complete standalone payroll service.

Its strongest functional area is tax-calculation depth. TaxFactory supports gross-to-net calculations, tax-location and jurisdiction assignment through TaxLocator, reciprocal taxes, wage attachments, qualified benefit-plan calculations, and pension payout tax calculations. That combination makes it relevant for payroll platforms handling varied worker situations and compensation types. Integration with HR/payroll systems and deferred-income systems also supports an ecosystem-oriented deployment model. BSI offers on-demand and on-premise solution environments, giving organizations two stated implementation contexts to consider.

Pricing is handled through BSI’s sales process, with visitors directed to request a demonstration or price quote. Buyers should also distinguish TaxFactory’s calculation role from filing and payment management: the published product materials describe those capabilities under BSI’s separate ComplianceFactory product. Organizations needing an embedded calculation engine with broad U.S. jurisdiction coverage should consider TaxFactory. Teams looking for an all-in-one payroll application or built-in filing and payment management should assess alternatives or related products that address those responsibilities directly.

Your product? Our editors can test BSI TaxFactory in depth and publish a review, labelled as paid · from $149/mo →

BSI TaxFactory pricing

BSI TaxFactory fact sheet

BSI TaxFactory integrations

BSI TaxFactory lists 2 integrations on its own site.

• HR/payroll systems
• Deferred-income systems

Alternatives to BSI TaxFactory

• TaxBanditsA low-cost U.S. payroll tax platform with federal, state, reconciliation, and API workflows.8.9
• Sovos Withholding ComplianceA mature withholding operations platform for complex federal, state and local workflows.8.7
• HMRC Basic PAYE ToolsA focused free option for UK PAYE calculations, filings, payslips and year-end records.8.5

See all BSI TaxFactory alternatives →

Featured on iTechGuides

BSI TaxFactory is listed in our Payroll Tax Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update