CCH Axcess Tax vs UltraTax CS

The verdict at a glance

CCH Axcess Tax scores higher overall (76 to 74), but the right pick depends on what you weight.

CCH Axcess Tax is Wolters Kluwer's cloud tax preparation software for CPA firms, covering 1040, 1065, 1120, 1120-S, 1041, 990, 5500 and 706/709 returns, sold in packages by users and return volume, with published prices only for small firms.

UltraTax CS is Thomson Reuters' professional tax preparation software for CPA firms, covering individual, business, fiduciary, exempt and estate returns with federal and state e-file, sold as part of the CS Professional Suite.

Quick facts

• CCH Axcess Tax AF score. 76/100
• CCH Axcess Tax implementation. Medium
• CCH Axcess Tax best fit. Large CPA firms going all-cloud
• UltraTax CS AF score. 74/100
• UltraTax CS implementation. Medium
• UltraTax CS best fit. Firms on the CS Professional Suite

Dimension by dimension

• Compliance depth. CCH Axcess Tax 76, UltraTax CS 74. Edge: CCH Axcess Tax.
• Scalability. CCH Axcess Tax 86, UltraTax CS 72. Edge: CCH Axcess Tax.
• AI / agent readiness. CCH Axcess Tax 62, UltraTax CS 38. Edge: CCH Axcess Tax.
• Support. CCH Axcess Tax 55, UltraTax CS 58. Edge: UltraTax CS.
• Implementation. CCH Axcess Tax 64, UltraTax CS 66. Edge: UltraTax CS.
• Pricing transparency. CCH Axcess Tax 58, UltraTax CS 30. Edge: CCH Axcess Tax.
• Tax content & coverage. CCH Axcess Tax 88, UltraTax CS 84. Edge: CCH Axcess Tax.
• Integrations & data flow. CCH Axcess Tax 78, UltraTax CS 80. Edge: UltraTax CS.

Pick CCH Axcess Tax if

• CPA firms with dozens to hundreds of preparers that want tax, documents, workflow and billing on one cloud database
• Firms with heavy partnership and K-1 volume willing to add CCH Axcess Scan and work in the K-1 Manager
• CCH ProSystem fx Tax firms that want to move to the cloud without changing vendors

Pick UltraTax CS if

• Firms of 6 to 500+ preparers already on Accounting CS, Workpapers CS or Practice CS that want one client list and data sharing across them.
• Practices with heavy multistate, fiduciary, exempt and estate work that want those forms and state e-file in one package.
• Firms that buy or plan to buy SurePrep and SafeSend and want document intake, preparation and e-sign delivery wired into the tax software.

Further reading

• Agentic AI showcase at AICPA ENGAGE, with K-1 claims for CCH Axcess Scan (CCH Axcess Tax, Jun 2026)
• Wolters Kluwer expands its collaboration with OpenAI (CCH Axcess Tax, Jun 2026)
• CCH Axcess Advisor leaves early access (CCH Axcess Tax, May 2026)
• UltraTax CS stays first in the 2026 JofA survey, at 22.3 percent (UltraTax CS, Sep 2026)
• Ready to Review becomes generally available in the US (UltraTax CS, Dec 2025)
• UltraTax CS 2025 ships with Tax Automation (UltraTax CS, Nov 2025)

Keep exploring

• The full CCH Axcess Tax review: scores, pricing, and where it fits.
• The full UltraTax CS review: scores, pricing, and where it fits.
• CCH Axcess Tax vs CCH ProSystem fx Tax
• CCH Axcess Tax vs Lacerte
• Lacerte vs UltraTax CS

Both reviews are updated on a rolling cycle by our research agents.