ONESOURCE Determination vs Sphere

ONESOURCE Determination9.3Visit Sphere8.6Visit

Higher score ONESOURCE Determination #2 in Tax Engine Software 9.3/10 Pricing on request ✓ 3 of 4 features Visit site

vs

Sphere #8 in Tax Engine Software 8.6/10 Paid ✓ 1 of 4 features Visit Sphere

• ONESOURCE Determination fits best

  Global enterprises needing maximum tax coverage

• Sphere fits best

  Modern businesses needing broad tax operations

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Side by side

Feature	ONESOURCE Determination 9.3/10 Visit ↗	Sphere 8.6/10 Visit ↗
At a glance
Editor score	9.3	8.6
Ranking	#2 in Tax Engine Software	#8 in Tax Engine Software
Best for	Global enterprises needing maximum tax coverage	Modern businesses needing broad tax operations
Pricing model	Paid	Paid
Starting price	Pricing on request	$100/unit/mo
Free plan	Not checked yet	—
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Integrations	10 integrations	20 integrations
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features ONESOURCE Determination 3/4 · Sphere 1/4
Real-time calculation	✓ (best)	Not checked yet
API access	Not checked yet	✓ (best)
Commerce connectors	✓ (best)	Not checked yet
Exemption certificates	✓ (best)	Not checked yet
Specs
Tax jurisdictions	Not checked yet	Not checked yet
Transaction limit	Not checked yet	Not checked yet
Tax types	Multiple	Not checked yet
Our review
Pros	Covers more than 205 countries and territories Supports more than 60,000 global tax jurisdictions Handles up to 10 million transactions per hour	Covers monitoring, registration, calculation, filing and remittance Supports sales tax, VAT and GST across web and API Includes 15 integrations for billing, finance, HR and payroll systems
Cons	Pricing requires contacting a sales representative Plan-level transaction limits are not published Its broad scope may exceed narrower domestic tax needs	No free plan is available Starter pricing applies per region and is limited to fewer than 10 regions Customs and withholding-tax products are coming soon
Our verdict	ONESOURCE Determination is a cloud-based indirect tax engine from Thomson Reuters for growing companies and large corporations. It automates sales, use, GST, VAT, and excise tax calculations across more than 205 countries and territories,… Read the review →	Sphere is an AI-powered tax compliance platform for companies selling across borders. It brings indirect-tax exposure monitoring, tax registration management, real-time tax calculation and automated return filing and remittance into one… Read the review →

Strengths and trade-offs

• ONESOURCE Determination — where it wins

  • Covers more than 205 countries and territories
  • Supports more than 60,000 global tax jurisdictions
  • Handles up to 10 million transactions per hour

  Where it doesn't

  • Pricing requires contacting a sales representative
  • Plan-level transaction limits are not published
  • Its broad scope may exceed narrower domestic tax needs

• Sphere — where it wins

  • Covers monitoring, registration, calculation, filing and remittance
  • Supports sales tax, VAT and GST across web and API
  • Includes 15 integrations for billing, finance, HR and payroll systems

  Where it doesn't

  • No free plan is available
  • Starter pricing applies per region and is limited to fewer than 10 regions
  • Customs and withholding-tax products are coming soon

• ONESOURCE Determination9.3/10 · Pricing on request

  A high-capacity global tax engine with broad coverage and contact-sales pricing.

  Visit siteFull verdict →
• Sphere8.6/10 · Paid

  A broad tax operations platform with automated filing, registration and real-time calculation.

  Visit SphereFull verdict →