# Best Tax Services Providers in Denver, CO *By [Nathan Calabrese](https://research.g2.com/insights/author/nathan-calabrese)* Tax services are offered by firms which specialize in filing and preparing taxes. Often these services are provided by [accounting firms](https://www.g2.com/categories/accounting-firms). Tax firms use their in-depth understanding of complex regulations to offer expertise and guide corporations through the tax process. These services can often save businesses time and money, as well as help ensure legal compliance. Corporations will usually work with firms year-round but will have the most contact in the time leading up to important state and federal tax deadlines. Businesses of all sizes and industries work with these providers and generally assign their accounting departments to coordinate with the firm. ## G2 Grid® for Tax Services Providers ![G2 Grid® for Tax Services Providers plotting products by satisfaction and market presence](https://www.g2.com/categories/tax-services/grids.png?focus%5B%5D=1433018&focus%5B%5D=55613&focus%5B%5D=113590&focus%5B%5D=1405496&focus%5B%5D=1466358&focus%5B%5D=1341283&focus%5B%5D=10751&focus%5B%5D=161000) Highlighted products: Swanson Reed | Specialist R&D Advisors, Pilot, PricewaterhouseCoopers (PwC), Inkle, Haven, TaxValet, Indinero, and Zeni. Underlying data: [Grid® JSON](https://www.g2.com/categories/tax-services/grids.json?focus%5B%5D=swanson-reed-specialist-r-d-advisors&focus%5B%5D=pilot&focus%5B%5D=pricewaterhousecoopers-pwc&focus%5B%5D=inkle-2024-11-18&focus%5B%5D=haven-2025-06-02&focus%5B%5D=taxvalet&focus%5B%5D=indinero&focus%5B%5D=zeni) ## How Many Tax Services Providers Products Does G2 Track? **Total Products under this Category:** 124 ### Category Stats (Jul 2026) - **Average Rating**: 4.42/5 (↓0.02 vs Jun 2026) The average rating of products in this category, based on all submitted ratings - **Top Trending Product**: Baker Tilly (+0.04%) - Among all products in this category, Baker Tilly recorded the largest rating increase compared to last month *Last updated: July 18, 2026* ## How Does G2 Rank Tax Services Providers Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 900+ Authentic Reviews - 124+ 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. 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[Ernst & Young](https://www.g2.com/products/ernst-young/reviews) One of the world's leading professional services organizations, helps companies across the globe to identify and capitalize on business opportunities. **Average Rating:** 4.1/5.0 **Total Reviews:** 20 **Who Is the Company Behind Ernst & Young?** - **Seller:** [Ernst & Young (E&Y)](https://www.g2.com/sellers/ernst-young-e-y) - **Year Founded:** 1989 - **HQ Location:** London - **LinkedIn® Page:** https://www.linkedin.com/company/ernstandyoung (403,177 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 70% Enterprise, 40% Mid-Market #### What Are Recent G2 Reviews of Ernst & Young? **"[Advisory and Implementation](https://www.g2.com/survey_responses/ernst-young-review-11769267)"** **Rating:** 4.0/5.0 stars *— Verified User in Consulting* [Read full review](https://www.g2.com/survey_responses/ernst-young-review-11769267) --- **"[Good company to work with for rich experience](https://www.g2.com/survey_responses/ernst-young-review-10658599)"** **Rating:** 4.5/5.0 stars *— Aavinashh L.* [Read full review](https://www.g2.com/survey_responses/ernst-young-review-10658599) --- #### What Are G2 Users Discussing About Ernst & Young? - [Who owns EY India?](https://www.g2.com/discussions/who-owns-ey-india) - [Why is EY famous?](https://www.g2.com/discussions/why-is-ey-famous) - [What is Max Ernst known for?](https://www.g2.com/discussions/what-is-max-ernst-known-for) - [What is Ernst short for?](https://www.g2.com/discussions/what-is-ernst-short-for) ### 2. [KPMG](https://www.g2.com/products/kpmg/reviews) We offer broad management consulting skills including technology enablement. **Average Rating:** 4.2/5.0 **Total Reviews:** 22 **Who Is the Company Behind KPMG?** - **Seller:** [KPMG](https://www.g2.com/sellers/kpmg-e2874d4d-01ea-4fab-aa80-7344e39b9d73) - **HQ Location:** New York - **LinkedIn® Page:** https://www.linkedin.com/company/kpmg-us (53,551 employees on LinkedIn®) **Who Uses This Product?** - **Top Industries:** Accounting - **Company Size:** 50% Mid-Market, 36% Small-Business #### What Are Recent G2 Reviews of KPMG? **"[KPMG - Right Choice](https://www.g2.com/survey_responses/kpmg-review-8605228)"** **Rating:** 4.0/5.0 stars *— Verified User in Consulting* [Read full review](https://www.g2.com/survey_responses/kpmg-review-8605228) --- **"[The greatest financial service](https://www.g2.com/survey_responses/kpmg-review-7640920)"** **Rating:** 5.0/5.0 stars *— John M.* [Read full review](https://www.g2.com/survey_responses/kpmg-review-7640920) --- ### 3. [Grant Thornton](https://www.g2.com/products/grant-thornton/reviews) Grant Thornton is a firm that offers three main service including Audit/Assurance, Tax and Advisory to help organizations pursue growth holistically whether through revenue improvement, leadership, mission fulfillment, or innovation. **Average Rating:** 4.8/5.0 **Total Reviews:** 3 **Who Is the Company Behind Grant Thornton?** - **Seller:** [Grant Thornton](https://www.g2.com/sellers/grant-thornton) - **Year Founded:** 1924 - **HQ Location:** Chicago, Illinois, United States - **Twitter:** @ThorntonBenefit (373 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/grant-thornton-us (11,671 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 100% Enterprise #### What Are Recent G2 Reviews of Grant Thornton? **"[Indeed Big 5 !](https://www.g2.com/survey_responses/grant-thornton-review-7498002)"** **Rating:** 5.0/5.0 stars *— Prasad B.* [Read full review](https://www.g2.com/survey_responses/grant-thornton-review-7498002) --- **"[Grant Thornton are trusted advisors whom help us implement industry leading solutions](https://www.g2.com/survey_responses/grant-thornton-review-9754512)"** **Rating:** 4.5/5.0 stars *— Joanthan F.* [Read full review](https://www.g2.com/survey_responses/grant-thornton-review-9754512) --- #### What Are G2 Users Discussing About Grant Thornton? - [What is Grant Thornton used for?](https://www.g2.com/discussions/what-is-grant-thornton-used-for) ### 4. [Eide Bailly](https://www.g2.com/products/eide-bailly/reviews) Eide Bailly provides 54,000 clients across the US with core services of audit & assurance and tax, as well as expanded services. **Average Rating:** 2.5/5.0 **Total Reviews:** 2 **Who Is the Company Behind Eide Bailly?** - **Seller:** [Eide Bailly](https://www.g2.com/sellers/eide-bailly) - **HQ Location:** United States Oval Historic District, New York, United States - **Twitter:** @EideBaillyLLP (2,995 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/eide-bailly-llp (3,785 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 50% Mid-Market, 50% Small-Business #### What Are Recent G2 Reviews of Eide Bailly? **"[Their robust business analysis and sprint performance was most impressive.](https://www.g2.com/survey_responses/eide-bailly-review-4370550)"** **Rating:** 5.0/5.0 stars *— Jan N.* [Read full review](https://www.g2.com/survey_responses/eide-bailly-review-4370550) --- #### What Are G2 Users Discussing About Eide Bailly? - [What is Eide Bailly used for?](https://www.g2.com/discussions/eide-bailly-what-is-eide-bailly-used-for) - [What is Eide Bailly used for?](https://www.g2.com/discussions/what-is-eide-bailly-used-for) ### 5. [Watson & Company](https://www.g2.com/products/watson-company/reviews) Watson & Company is an accounting firm that provides services to help bsiness increase profitability, increase taxes, tax notices or surprises, or simply need more time in their day. **Who Is the Company Behind Watson & Company?** - **Seller:** [Watson & Company](https://www.g2.com/sellers/watson-company) - **HQ Location:** Centennial, US - **LinkedIn® Page:** https://www.linkedin.com/company/radish-accounting/ (3 employees on LinkedIn®) ## What Is Tax Services Providers? [Business Finance Providers](https://www.g2.com/categories/business-finance) ## What Software Categories Are Similar to Tax Services Providers? - [Accounting Firms ](https://www.g2.com/categories/accounting-firms) - [Bookkeeping Services Providers](https://www.g2.com/categories/bookkeeping-services) - [Financial Consulting Providers](https://www.g2.com/categories/financial-consulting)