Best Corporate Tax Software for Small Business - Page 2

How Many Corporate Tax Software Products Does G2 Track?

Total Products under this Category: 196

Category Stats (Sep 2026)

  • Average Rating: 4.39/5 (↓0.01 vs Aug 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Avalara (+1.8%) - Among all products in this category, Avalara recorded the largest rating increase compared to last month

Last updated: September 30, 2026

How Does G2 Rank Corporate Tax Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 3,500+ Authentic Reviews
  • 196+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Corporate Tax Software

G2 Grid® for Corporate Tax Software plotting products by satisfaction and market presence

Highlighted products: Intuit Lacerte Tax, Intuit ProConnect Tax, Intuit ProSeries Tax, Avalara, Credit Karma, TurboTax Business, UltraTax CS, and CCH ProSystem fx Tax.

Underlying data: [Grid® JSON](https://www.g2.com/categories/corporate-tax/grids.json?focus%5B%5D=intuit-lacerte-tax&focus%5B%5D=intuit-proconnect-tax&focus%5B%5D=intuit-proseries-tax&focus%5B%5D=avalara&focus%5B%5D=credit-karma-credit-karma&focus%5B%5D=turbotax-business&focus%5B%5D=ultratax-cs&focus%5B%5D=cch-prosystem-fx-tax&segment=small-business)

Vertex

Vertex is the Decision-to-Defense global indirect tax and compliance company. We help enterprises control indirect tax and compliance with confidence. From tax determination and e-invoicing to reporting, filing and audit defense, we make outcomes easier to prove and improve over time. Our ability to integrate across ERP, e-commerce, marketplace, procurement, CRM, and other financial systems means customers can centralize tax determination and compliance to improve accuracy and consistency for the business. Since 1978, Vertex has specialized in helping businesses navigate one of their most critical responsibilities: indirect tax and compliance. We combine deep domain expertise, trusted tax data, and innovative technology to ensure businesses and communities thrive through trusted transactions.

Average Rating: 4.4/5.0

Total Reviews: 458

How Do G2 Users Rate Vertex?

  • Has the product been a good partner in doing business?: 8.2/10 (Category avg: 8.7/10)
  • Quality of Support: 7.7/10 (Category avg: 8.5/10)
  • Ease of Use: 8.1/10 (Category avg: 8.7/10)
  • Ease of Admin: 8.4/10 (Category avg: 8.6/10)

Who Is the Company Behind Vertex?

  • Seller: Vertex Inc.
  • Company Website:
  • Year Founded: 1978
  • HQ Location: King of Prussia, PA
  • Twitter: @vertexinc
    4,857 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2,487 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Tax Manager
  • Top Industries: Retail, Manufacturing
  • Company Size: 56% Large, 24% Medium

What Do G2 Reviewers Say About Vertex?

AI-generated summary from verified user reviews

Pros
  • Users find Vertex to be super user-friendly, making it easy to train and access for all levels of expertise.
  • Users commend the responsive customer support of Vertex, making it easy to implement and user-friendly.
  • Users value the easy and quick tax updates from Vertex, which save money and simplify compliance for audits.
  • Users find the support associates very helpful, providing easy-to-understand instructions and friendly assistance.
  • Users value the accuracy of tax calculations, ensuring precise tax codes and rates readily available for audits.
Cons
  • Users feel that improvement is needed in finding materials and updating lookup tables efficiently.
  • Users find the interface complex, lacking onboarding and requiring support for essential changes, complicating their experience.
  • Users express frustration over poor customer support, with slow resolutions and difficulties reaching appropriate representatives.
  • Users experience technical issues with Vertex, including slow updates and performance problems affecting overall functionality.

What Are Recent G2 Reviews of Vertex?

What Are G2 Users Discussing About Vertex?

ProSystem fx Suite

ProSystem fx Suite is an integrated tax and accounting solution that allows you to organize and streamline your tax, accounting and workflow.

Average Rating: 4.0/5.0

Total Reviews: 62

How Do G2 Users Rate ProSystem fx Suite?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Quality of Support: 8.1/10 (Category avg: 8.5/10)
  • Ease of Use: 7.6/10 (Category avg: 8.7/10)
  • Ease of Admin: 8.1/10 (Category avg: 8.6/10)

Who Is the Company Behind ProSystem fx Suite?

  • Seller: Wolters Kluwer
  • Year Founded: 1987
  • HQ Location: Alphen Aan Den Rijn, The Netherlands
  • Twitter: @Wolters_Kluwer
    17,786 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    22,401 employees on LinkedIn®
  • Ownership: AMS:WKL

Who Uses This Product?

  • Top Industries: Accounting
  • Company Size: 59% Medium, 25% Small

What Are Recent G2 Reviews of ProSystem fx Suite?

What Are G2 Users Discussing About ProSystem fx Suite?

ClearTax

ClearTax is a automation-driven tax and compliance platform that helps businesses and professionals manage ITR filing, GST returns, e-invoicing, and TDS with speed and accuracy. Powered by AI and secure cloud infrastructure, ClearTax offers fast reconciliation, real-time compliance updates, intuitive dashboards, and seamless integrations—reducing manual effort and helping finance teams stay compliant with evolving regulations. Trusted by thousands of enterprises, ClearTax streamlines financial processes and enables teams to focus on growth.

Average Rating: 3.8/5.0

Total Reviews: 19

How Do G2 Users Rate ClearTax?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)
  • Quality of Support: 7.0/10 (Category avg: 8.5/10)
  • Ease of Use: 7.7/10 (Category avg: 8.7/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind ClearTax?

  • Seller: Clear
  • Year Founded: 2011
  • HQ Location: Bangalore, Karnataka
  • Twitter: @cleartax_in
    154 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,370 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Accounting, Information Technology and Services
  • Company Size: 53% Small, 37% Large

What Do G2 Reviewers Say About ClearTax?

AI-generated summary from verified user reviews

Pros
  • Users find ClearTax very user-friendly, simplifying tax filing by easily aggregating multiple Form-16s and calculations.
  • Users appreciate the efficiency of ClearTax, effortlessly aggregating multiple Form-16s for a seamless tax filing experience.
  • Users find ClearTax to be a time-saving solution, efficiently aggregating and calculating tax forms for seamless filing.
Cons
  • Users find the service not helpful and incomplete, questioning the expertise of the accounting team.
  • Users report poor customer support, citing unhelpful advice and incomplete services from ClearTax's team.

What Are Recent G2 Reviews of ClearTax?

What Are G2 Users Discussing About ClearTax?

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H&R Block

H&R Block Tax Software is a comprehensive solution designed to simplify the tax preparation process for individuals and small business owners. Offering a range of packages tailored to various tax situations, it provides step-by-step guidance to ensure accurate and efficient filing. With features like AI-powered assistance, multiple federal e-files, and robust audit support, users can confidently manage their taxes from the comfort of their homes. Key Features and Functionality: - AI Tax Assist: Leverages artificial intelligence to offer expert-backed guidance throughout the tax preparation process. - Multiple Federal E-Files: Includes up to five federal e-files, allowing users to file multiple returns without additional costs. - State Tax Preparation: Certain packages include state tax preparation, streamlining the process for users filing both federal and state returns. - Import Capabilities: Easily import previous tax returns from other software, facilitating a seamless transition. - Audit Support: Provides in-person representation in the event of an audit, ensuring users have professional assistance when needed. - Accuracy and Satisfaction Guarantees: Offers guarantees such as maximum refund, 100% satisfaction, and accuracy, reinforcing the software's reliability. Primary Value and User Solutions: H&R Block Tax Software addresses the complexities of tax filing by offering user-friendly tools and expert guidance, making tax preparation accessible to both novices and experienced filers. Its AI-driven assistance and comprehensive support features reduce the likelihood of errors, ensuring users maximize their refunds and comply with tax regulations. The inclusion of multiple federal e-files and state tax preparation options caters to diverse filing needs, while the audit support provides peace of mind. Overall, H&R Block Tax Software empowers users to take control of their tax obligations with confidence and ease.

Average Rating: 4.0/5.0

Total Reviews: 21

How Do G2 Users Rate H&R Block?

  • Has the product been a good partner in doing business?: 7.1/10 (Category avg: 8.7/10)
  • Quality of Support: 7.6/10 (Category avg: 8.5/10)
  • Ease of Use: 8.1/10 (Category avg: 8.7/10)
  • Ease of Admin: 6.7/10 (Category avg: 8.6/10)

Who Is the Company Behind H&R Block?

  • Seller: H&R Block
  • Year Founded: 1955
  • HQ Location: Kansas City, MO
  • Twitter: @HRBlock
    37,024 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    16,116 employees on LinkedIn®
  • Ownership: HRB

Who Uses This Product?

  • Company Size: 76% Small, 19% Large

What Are Recent G2 Reviews of H&R Block?

What Are G2 Users Discussing About H&R Block?

Tax1099

Zenwork Tax1099 is an IRS-approved eFile provider for informational returns, making it easy to file 1099s, W-2s, 1040s, and over 40 state and federal forms quickly and accurately. By blending tax knowledge and technology, we offer excellent tools that ensure compliance, accuracy, and speed. Our platform supports eFiling for 1099s, W-2s, 1040s, and more, with secure and accurate filing approved by the IRS. Featuring a streamlined, user-friendly interface, it is simple, fast, and easy to use. With a secure and reliable system, we help ensure compliance with IRS regulations. Backed by over 10 years of experience in tax processing and customer service, and trusted by more than 150,000 satisfied customers, we provide affordable pricing with multiple payment options to suit diverse needs.

Average Rating: 4.3/5.0

Total Reviews: 14

How Do G2 Users Rate Tax1099?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)
  • Quality of Support: 7.7/10 (Category avg: 8.5/10)
  • Ease of Use: 8.0/10 (Category avg: 8.7/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Tax1099?

  • Seller: Zenwork
  • Year Founded: 2011
  • HQ Location: Roanoke, Texas, United States
  • LinkedIn® Page: www.linkedin.com
    230 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Accounting
  • Company Size: 67% Small, 7% Medium

What Are Recent G2 Reviews of Tax1099?

What Are G2 Users Discussing About Tax1099?

TaxRates.io

Taxrates.io delivers US Sales tax, VAT and GST rates directly to you through intelligent automation.

Average Rating: 4.8/5.0

Total Reviews: 12

How Do G2 Users Rate TaxRates.io?

  • Has the product been a good partner in doing business?: 8.9/10 (Category avg: 8.7/10)
  • Quality of Support: 9.4/10 (Category avg: 8.5/10)
  • Ease of Use: 9.5/10 (Category avg: 8.7/10)
  • Ease of Admin: 9.4/10 (Category avg: 8.6/10)

Who Is the Company Behind TaxRates.io?

Who Uses This Product?

  • Company Size: 86% Small, 14% Medium

What Are Recent G2 Reviews of TaxRates.io?

What Are G2 Users Discussing About TaxRates.io?

Nathan Calabrese
NC
Researched and written by Nathan Calabrese
Updated