Note: Commercial-only – IRS e-file authorization required.
What Is Professional Tax Prep Software?
Mix (12 tools)
- License: 0 open source · 12 proprietary
- Hosting: 3 self-hosted · 9 SaaS · 0 both
Professional tax preparation software is used by accountants, CPAs, enrolled agents, and tax preparers to prepare, review, e-file, and deliver federal, state, and local tax returns on behalf of clients (individuals and businesses). Unlike consumer tax software (TurboTax, H&R Block DIY), professional tools are designed for volume, multi-client workflows, and firm management.
Modern professional tax platforms have three layers:
- Tax compliance engine – the core software that calculates taxes, populates IRS/state forms, runs diagnostics, and e-files returns
- Practice management – CRM, workflow pipelines, task tracking, time/billing, and team collaboration for the accounting firm
- Client portal – a secure web/mobile interface where clients upload W-2s, 1099s, and other source documents, sign engagement letters, review returns, and e-sign for e-filing authorization
These layers are sometimes bundled (TaxDome) or sold separately (UltraTax CS + NetClient CS + SafeSend).
Tax preparation software solves several problems for accounting firms:
- Compliance accuracy – automated diagnostics catch errors, cross-reference federal/state, and validate against IRS rules before e-filing
- Volume throughput – prepare hundreds or thousands of returns per season with multi-user concurrent access
- Client document collection – secure portals replace email attachments, fax, and physical drop-off for gathering source documents
- E-filing – IRS-certified electronic filing for federal, state, and local returns with status tracking
- Workflow management – track return status (received → in progress → review → filed → delivered) across the firm
- Engagement compliance – e-signatures for engagement letters, 8879 (e-file auth), and return delivery
About this data & disclaimer
The information on these pages was researched by a combination of human review and large language models. This catalogue serves as a reference for the resources, applications, devices, deployment payloads, and other components that the ResorsIT platform integrates, deploys, and manages. To suggest an addition or correction, please contact us. Prepared by Rhodium Systems Inc., author of the ResorsIT platform — a unified IT operations management platform for IT teams and MSPs that integrates a curated suite of open-source, commercial, and SaaS applications into a single system with shared identity, single sign-on, access control, and a common audit trail. This information is compiled on a best-effort basis: it may be incomplete, contain errors, and become out of date as tools, vendors, licences, and features change. Use this catalogue only as a starting point for your own research, and independently verify and review any tool carefully against your own requirements before relying on it.
Comparison
Tool Overview
| Tool | Type | Vendor | License | Platform |
|---|---|---|---|---|
| Intuit Lacerte | Tax prep | Intuit | Proprietary | Desktop |
| Intuit ProConnect | Tax prep | Intuit | Proprietary | Cloud |
| UltraTax CS | Tax prep | Thomson Reuters | Proprietary | Desktop/Cloud |
| GoSystem Tax RS | Tax prep | Thomson Reuters | Proprietary | Cloud |
| CCH Axcess Tax | Tax prep | Wolters Kluwer | Proprietary | Cloud |
| ATX | Tax prep | Wolters Kluwer | Proprietary | Desktop |
| Drake Tax | Tax prep | Drake Software | Proprietary | Desktop/Cloud |
| TaxSlayer Pro | Tax prep | TaxSlayer | Proprietary | Desktop/Cloud |
| CrossLink Tax | Tax prep | Petz Enterprises | Proprietary | Desktop/Cloud |
| TaxDome | Practice mgmt | TaxDome Inc. | Proprietary | Cloud |
| Canopy | Practice mgmt | Canopy Tax | Proprietary | Cloud |
| SafeSend Returns | Return delivery | Wolters Kluwer | Proprietary | Cloud |
Pricing Comparison
| Tool | Model | Entry Price | Unlimited |
|---|---|---|---|
| Intuit Lacerte | Per-return | $489+ base | FastPath license |
| Intuit ProConnect | Subscription | $429/year | Volume tiers |
| UltraTax CS | Subscription | ~$50/user/month | Quote-based |
| GoSystem Tax RS | Subscription | ~$4,000/year | Quote-based |
| CCH Axcess Tax | Subscription | Quote-based | Quote-based |
| ATX | Tiered editions | Contact vendor | ATX Total Tax Office |
| Drake Tax | Per-return + unlimited | Base + per-return | Unlimited plans |
| TaxSlayer Pro | Subscription | ~$1,395/year | Included |
| CrossLink Tax | Tiered | $695 (sale) | $1,795 (list) |
| TaxDome | Per-user/month | Flat rate | All features included |
| Canopy | Per-user/month | $60/user/month | Essentials: $88/user |
| SafeSend Returns | Per-return | $13-20/return | Volume tiers |
Return Type Support
| Tool | 1040 | 1120/1120-S | 1065 | 990 | 1041 | Multi-State |
|---|---|---|---|---|---|---|
| Intuit Lacerte | Yes | Yes | Yes | Yes | Yes | Yes |
| Intuit ProConnect | Yes | Yes | Yes | Yes | Yes | Yes |
| UltraTax CS | Yes | Yes | Yes | Yes | Yes | Yes |
| GoSystem Tax RS | Yes | Yes | Yes | Yes | Yes | Yes |
| CCH Axcess Tax | Yes | Yes | Yes | Yes | Yes | Yes |
| ATX | Yes | Yes | Yes | Yes | Yes | Yes |
| Drake Tax | Yes | Yes | Yes | Yes | Yes | Yes |
| TaxSlayer Pro | Yes | Premium | Premium | Premium | Premium | Yes |
| CrossLink Tax | Yes | Yes (addon) | Yes (addon) | No | No | Yes |
| TaxDome | N/A | N/A | N/A | N/A | N/A | N/A |
| Canopy | N/A | N/A | N/A | N/A | N/A | N/A |
| SafeSend Returns | N/A | N/A | N/A | N/A | N/A | N/A |
Client Portal & Document Features
| Tool | Client Portal | Doc Upload | E-Signature | Secure Messaging |
|---|---|---|---|---|
| Intuit Lacerte | Intuit Link | Yes | Yes | Yes |
| Intuit ProConnect | Intuit Link | Yes | Yes | Yes |
| UltraTax CS | NetClient CS | Yes | Yes | Yes |
| GoSystem Tax RS | TaxCaddy | Yes | Yes | Yes |
| CCH Axcess Tax | CCH Axcess Portal | Yes | Yes | Yes |
| ATX | Third-party | No | No | No |
| Drake Tax | Drake Portals | Yes | Yes | Yes |
| TaxSlayer Pro | Limited | No | No | No |
| CrossLink Tax | Built-in | Yes | Yes | Yes (texting) |
| TaxDome | Full portal + app | Yes | Yes | Yes |
| Canopy | Portal + app | Yes | Yes | Yes |
| SafeSend Returns | Delivery portal | Yes | Yes | Yes |
Workflow & Practice Management
| Tool | Workflow Pipeline | CRM | Time Tracking | Billing |
|---|---|---|---|---|
| Intuit Lacerte | Basic | No | No | No |
| Intuit ProConnect | Basic | No | No | No |
| UltraTax CS | CS Suite | CS Suite | CS Suite | CS Suite |
| GoSystem Tax RS | Enterprise | No | No | No |
| CCH Axcess Tax | CCH Workflow | CCH | CCH | CCH |
| ATX | Basic | No | No | No |
| Drake Tax | Basic | No | No | No |
| TaxSlayer Pro | Basic | No | No | No |
| CrossLink Tax | Master Control | No | No | No |
| TaxDome | Advanced | Yes | Yes | Yes |
| Canopy | Advanced | Yes | Yes | Yes |
| SafeSend Returns | Delivery only | No | No | No |
Deployment & Platform
| Tool | Desktop | Cloud/SaaS | Mobile | Multi-User | OS |
|---|---|---|---|---|---|
| Intuit Lacerte | Yes | Hosted | No | Yes | Windows |
| Intuit ProConnect | No | Native | No | Yes | Browser |
| UltraTax CS | Yes | Hosted | No | Yes | Windows |
| GoSystem Tax RS | No | Native | No | Yes | Browser |
| CCH Axcess Tax | No | Native | No | Yes | Browser |
| ATX | Yes | Hosted | No | Yes | Windows |
| Drake Tax | Yes | Drake Online | No | Yes | Windows |
| TaxSlayer Pro | Yes | Pro Web | Mobile | Yes | Windows |
| CrossLink Tax | Yes | Online ver. | No | Yes | Windows |
| TaxDome | No | Native | App | Yes | Browser |
| Canopy | No | Native | App | Yes | Browser |
| SafeSend Returns | No | Native | No | Yes | Browser |
SSO & Security
| Tool | SSO | MFA | SOC 2 | IRS e-File Cert |
|---|---|---|---|---|
| Intuit Lacerte | No | Yes | Yes | Yes |
| Intuit ProConnect | No | Yes | Yes | Yes |
| UltraTax CS | Via hosting | Yes | Yes | Yes |
| GoSystem Tax RS | TR ecosystem | Yes | Yes | Yes |
| CCH Axcess Tax | Yes | Yes | Yes | Yes |
| ATX | No | No | N/A | Yes |
| Drake Tax | Ping SSO | Yes | Yes | Yes |
| TaxSlayer Pro | No | Yes | Yes | Yes |
| CrossLink Tax | No | Yes | N/A | Yes |
| TaxDome | Enterprise | Yes | Yes (Type II) | N/A |
| Canopy | No | Yes | Yes | N/A |
| SafeSend Returns | No | Yes | Yes | N/A |
API & Integration
| Tool | REST API | Zapier | QuickBooks | Data Import |
|---|---|---|---|---|
| Intuit Lacerte | No | No | Yes (QBO) | Prior year, PDF |
| Intuit ProConnect | No | No | Yes (QBO) | Prior year, PDF |
| UltraTax CS | Limited | No | CS Suite | Trial balance |
| GoSystem Tax RS | SurePrep | No | No | Trial balance |
| CCH Axcess Tax | Yes (OIP) | No | Yes | Trial balance |
| ATX | No | No | No | Prior year |
| Drake Tax | No | No | Yes | Prior year, PDF |
| TaxSlayer Pro | No | No | No | Prior year, PDF |
| CrossLink Tax | No | Yes | No | Prior year |
| TaxDome | Yes | Yes | Yes | CRM import |
| Canopy | Yes | Yes | Yes | CRM import |
| SafeSend Returns | Plugin-based | No | No | Tax software |
Open Source Comparison
No open-source professional tax preparation tools exist. IRS e-file certification, annual tax code updates across 50+ jurisdictions, and compliance liability make open-source structurally impractical in this category.
All 12 tools evaluated are proprietary with no source available.
Monitoring Integration
| Tool | Telegraf | Fluent Bit | Grafana |
|---|---|---|---|
| Desktop tax apps | Process metrics (exec input) | N/A | Windows host dashboards |
| Cloud-hosted desktop | RDS/hosting metrics | Hosting logs | Host performance |
| Cloud-native SaaS | N/A (vendor-managed) | N/A | N/A |
| TaxDome | N/A (SaaS) | N/A | N/A |
Monitoring is primarily at the infrastructure level – Windows host performance for desktop tax software, or cloud hosting metrics for hosted deployments. The SaaS platforms do not expose metrics endpoints.
Tools
12 tools.
Canopy
Canopy is a cloud-native practice management platform for accounting and tax firms, offering CRM, document management, a client portal, workflow automation, billing, and tax-resolution tools.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
CrossLink Tax
CrossLink Tax (by Petz Enterprises) is a professional tax preparation tool focused on multi-office tax shops and franchise preparers.
License: Proprietary (proprietary) · Kind: desktop · Deploy: direct · SSO: none
ResorsIT usage: Deployment Payload
Access & Identity: Vaulted credential · Local host account
Drake Tax
Drake Tax is the #3 most-used professional tax software among CPAs, known for excellent value, comprehensive US-based phone support, and a loyal user base.
License: Proprietary (proprietary) · Kind: desktop · Deploy: direct · SSO: none
ResorsIT usage: Deployment Payload
Access & Identity: Vaulted credential · Local host account
Intuit Lacerte
Intuit Lacerte is Intuit’s premium professional tax preparation suite, targeted at mid-to-large accounting firms handling complex returns.
License: Proprietary (proprietary) · Kind: desktop · Deploy: direct · SSO: none
ResorsIT usage: Deployment Payload
Access & Identity: Vaulted credential · Local host account
Intuit ProConnect Tax Online
Intuit ProConnect Tax Online is Intuit’s cloud-native professional tax preparation tool. Unlike Lacerte (desktop), ProConnect runs entirely in the browser with no software installation required.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
SafeSend Returns
SafeSend Returns (acquired by Wolters Kluwer) is a specialized tool for automated tax return assembly and delivery.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
TaxDome
TaxDome is the #1-rated practice management platform for accounting and tax firms (by G2 rating).
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
TaxSlayer Pro
TaxSlayer Pro is a budget-friendly professional tax preparation tool from TaxSlayer LLC (Augusta, GA). It offers desktop (Pro Desktop) and cloud (Pro Web) versions with unlimited e-filing included in the base price.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
Thomson Reuters GoSystem Tax RS
Thomson Reuters GoSystem Tax RS is the enterprise-grade, cloud-native tax preparation platform from Thomson Reuters.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
Thomson Reuters UltraTax CS
Thomson Reuters UltraTax CS is the #1 most- used professional tax software among CPAs, holding approximately 22.6% market share.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
Wolters Kluwer ATX
ATX is Wolters Kluwer’s entry-level professional tax preparation suite, targeting solo practitioners and small firms.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
Wolters Kluwer CCH Axcess Tax
Wolters Kluwer CCH Axcess Tax is a cloud- native professional tax preparation platform and part of the broader CCH Axcess ecosystem (Workflow, Document, Portal, Practice). It is the successor to the desktop-based CCH ProSystem fx Tax.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
