UltraTax CS
Corporate tax software
Tax practice management software
Accounting & finance software
Professional tax software
Financial services software
AI tax assistant tools
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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What is UltraTax CS
UltraTax CS is a professional tax preparation software used by accounting firms and tax professionals to prepare and file federal and state returns for individuals, businesses, and other entities. It supports multi-entity workflows, diagnostics, and e-filing, and is commonly deployed as part of a broader firm suite for document management, workflow, and client collaboration. The product is typically selected by practices that need deep form coverage and integration with other firm systems rather than a consumer-oriented experience.
Broad entity and form coverage
UltraTax CS supports preparation for a wide range of return types, including individual and business entities, with extensive federal and state form libraries. It includes built-in diagnostics and review tools to help identify missing data and common compliance issues before filing. This depth is aligned with professional-firm requirements where complex returns and multi-state filings are common.
Integrated firm suite workflows
The product is designed to work within a connected ecosystem of firm applications (for example, accounting, document, and practice workflow tools) to reduce duplicate data entry. It supports importing/exporting client data and coordinating work across staff roles in a tax practice. This suite orientation can be advantageous for firms standardizing on a single vendor for core tax and practice operations.
E-file and compliance tooling
UltraTax CS includes electronic filing capabilities and tools that support compliance-oriented workflows such as return validation, status tracking, and standardized output. It provides structured handling of forms, schedules, and attachments that tax professionals need for repeatable preparation processes. These capabilities are important for firms that manage high volumes and need consistent review and filing steps.
Suite dependency and lock-in
Many operational benefits depend on adopting related applications in the same ecosystem, which can increase switching costs. Firms using a mixed stack may need additional configuration or workarounds to achieve comparable integration. This can be a constraint compared with products that emphasize lighter-weight, API-first connectivity across diverse systems.
Complex setup and administration
Professional-grade configuration (templates, security, multi-office settings, and standardized workflows) can require dedicated administration. Training time can be material for new staff due to the breadth of features and form-driven workflows. Smaller practices may find the operational overhead higher than simpler tax preparation tools.
Less suited for non-firm users
UltraTax CS is primarily built for tax professionals and accounting firms rather than self-service business owners. Organizations seeking embedded tax calculation, indirect tax automation, or continuous transaction-level compliance may need additional specialized systems. As a result, it may not cover all tax technology needs outside traditional return preparation and filing workflows.
Plan & Pricing
Tiered / Unlimited-license examples (official renewal pricing shown in Thomson Reuters help pages):
| Plan | Price | Key features & notes |
|---|---|---|
| Unlimited 1040 (renewal example) | $2,395 (renewal price shown) | Unlimited federal 1040 electronic filing option (breakeven table example); renewal discounts (5/10/20%) shown on help page — contact sales for custom quotes. |
| Unlimited Business (renewal example) | $2,395 (renewal price shown) | Unlimited business return electronic filing option (breakeven table example); contact sales for custom pricing and bundling. |
Usage-based (Per-Return Pricing - PRP) — official documented pay-as-you-go option:
Pricing model: Pay-as-you-go (Per-Return Pricing, PRP) Free tier/trial: Not shown on PRP docs. Example costs (official help/fee-schedule examples):
- 1040 (Federal) – $41 per return; State or local – $33 per return; Electronic filing (ELF) – $15 per transmission.
- Business returns – Federal $53 per return; State or local $38 per return; Electronic filing (ELF) – $20 per transmission. Billing / notes: PRP codes are downloaded per client and billed monthly; PRP is used for returns not covered by an unlimited license. See CS Connect > Fee Schedule in UltraTax CS for full fee list.
Official add-ons / ancillary fees (official help pages):
- Tax Protection Plus (add-on): $10 per individual (1040-family) return; $75 per business return. (add-on cost handled via Protection Plus enrollment).
- Web Organizer (for firms without NetClient/NetFirm license on a PRP basis): Transmission fee $1 per Organizer; Retrieval fee $3 per Organizer (charged once per taxpayer SSN for PRP Web Organizer transmissions).
Notes & source context: Thomson Reuters’ UltraTax CS product page states UltraTax CS uses custom pricing based on number of users, returns, states/jurisdictions and directs customers to contact sales / request a demo; the help site contains explicit PRP per-return fees and the breakeven table that shows renewal example prices. All prices above are taken from Thomson Reuters official help/product pages and are labeled as renewal/examples where applicable; contact Thomson Reuters sales for firm-specific and current quotes.
Seller details
Thomson Reuters
Toronto, Ontario, Canada
1851
Public
https://www.thomsonreuters.com/
https://x.com/thomsonreuters
https://www.linkedin.com/company/thomson-reuters/
