Complete Tax Solutions vs ONESOURCE Tax Provision

Complete Tax Solutions9.0Visit ONESOURCE Tax Provision8.8Visit

Higher score Complete Tax Solutions #5 in Corporate Tax Software 9.0/10 Pricing on request ✓ 5 of 5 features Contact CTS

vs

ONESOURCE Tax Provision #7 in Corporate Tax Software 8.8/10 Pricing on request ✓ 0 of 5 features Visit ONESOURCE

• Complete Tax Solutions fits best

  Australian groups needing tax provision

• ONESOURCE Tax Provision fits best

  ASC 740 and IAS 12 provision teams

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	Complete Tax Solutions 9.0/10 Visit ↗	ONESOURCE Tax Provision 8.8/10 Visit ↗
At a glance
Editor score	9.0	8.8
Ranking	#5 in Corporate Tax Software	#7 in Corporate Tax Software
Best for	Australian groups needing tax provision	ASC 740 and IAS 12 provision teams
Pricing model	Paid	Paid
Starting price	Pricing on request	Pricing on request
Free plan	Not checked yet	Not checked yet
Free trial	—	—
Integrations	2 integrations	3 integrations
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Complete Tax Solutions 5/5 · ONESOURCE Tax Provision 0/5
Electronic filing	✓ (best)	Not checked yet
Consolidated returns	✓ (best)	Not checked yet
Tax provision support	✓ (best)	Not checked yet
Accounting integrations	✓ (best)	Not checked yet
Approval workflows	✓ (best)	Not checked yet
Specs
Jurisdictions covered	Not checked yet	Not checked yet
Deployment	Hybrid	Not checked yet
Our review
Pros	Supports corporate and consolidated tax return preparation Calculates current and deferred tax balances with journals and disclosures Combines Excel workpapers with ATO SBR electronic lodgement	Supports both ASC 740 and IAS 12 current and deferred provisions Drills from consolidated amounts to supporting detail Connects Excel workpapers and configurable ERP journal entries
Cons	Pricing requires contacting the CTS team The portfolio contains multiple products rather than one plan-based application Its e-lodgement workflow is centered on Australia's ATO SBR portal	Pricing requires contact with sales Focused on provision rather than complete return preparation ERP integration depends on the systems and applications in use
Our verdict	Complete Tax Solutions (CTS) is a suite of tax compliance and reporting products from SW Accountants & Advisors. Its corporate offering is designed for private, large and listed groups, with coverage for corporate and consolidated returns,… Read the review →	ONESOURCE Tax Provision is corporate tax provision software for tax and finance teams managing complex entities and jurisdictions. It supports ASC 740 and IAS 12 calculations across current and deferred tax workflows, with automated tax… Read the review →

Strengths and trade-offs

• Complete Tax Solutions — where it wins

  • Supports corporate and consolidated tax return preparation
  • Calculates current and deferred tax balances with journals and disclosures
  • Combines Excel workpapers with ATO SBR electronic lodgement

  Where it doesn't

  • Pricing requires contacting the CTS team
  • The portfolio contains multiple products rather than one plan-based application
  • Its e-lodgement workflow is centered on Australia's ATO SBR portal

• ONESOURCE Tax Provision — where it wins

  • Supports both ASC 740 and IAS 12 current and deferred provisions
  • Drills from consolidated amounts to supporting detail
  • Connects Excel workpapers and configurable ERP journal entries

  Where it doesn't

  • Pricing requires contact with sales
  • Focused on provision rather than complete return preparation
  • ERP integration depends on the systems and applications in use

• Complete Tax Solutions9.0/10 · Pricing on request

  A broad Australian tax compliance suite with strong provision and group-reporting coverage.

  Contact CTSFull verdict →
• ONESOURCE Tax Provision8.8/10 · Pricing on request

  A focused choice for ASC 740 and IAS 12 provision workflows.

  Visit ONESOURCEFull verdict →