# Best Tax Services Providers in Chicago, IL *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:** 123 ### Category Stats (Jul 2026) - **Average Rating**: 4.44/5 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 14, 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 - 123+ 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. --- **Sponsored** ### Lumana Lumana is the leader in AI video security, offering a comprehensive platform that transforms your existing security camera infrastructure into an AI-powered solution. The solution is designed to enhance security, safety, and operational efficiency across a wide range of industries, including education, government, manufacturing, retail, healthcare, and hospitality. By leveraging proprietary video AI models, Lumana provides automated monitoring, real-time activity and behavior detection, and accelerated incident response features. At the heart of Lumana's platform is the Lumana Core. A camera-agnostic AI engine and video processor that transforms any IP camera into an intelligent monitoring agent. This flexibility ensures that organizations can upgrade their security capabilities without the need for expensive hardware replacements. Lumana's self-learning AI engine continuously adapts to the environment, optimizing its performance and providing increasingly accurate event detection over time. Lumana's distributed hybrid-cloud architecture combines the best of cloud and on-premise resources, delivering enterprise-grade AI capabilities without the complexity or high costs typically associated with such systems. Users can manage the system remotely through Lumana VMS+, an intuitive video management software that simplifies security operations, enables fast investigations, and provides real-time visibility from any web browser or mobile device. In addition to enhancing security and safety, Lumana offers valuable operational insights through its custom AI dashboards. These dashboards transform video footage into actionable data, enabling organizations to visualize trends and make smarter, more informed decisions. Whether it's improving employee safety, optimizing manufacturing processes, or enhancing customer experiences, Lumana provides the tools needed to achieve security, safety, and operational excellence. [Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list&secure%5Bcategory_id%5D=801&secure%5Bchosen_at%5D=2026-07-14T08%3A55%3A24Z&secure%5Bdisplayable_resource_id%5D=1246&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=retargeted_product&secure%5Bplacement_resource_ids%5D%5B%5D=1424713&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=1424713&secure%5Bresource_id%5D=801&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Ftax-services%2Flocations%2Faustin-tx-us&secure%5Btoken%5D=0a933950ca20fea96e5bc03b2dc208f81897369be4302f0bf48b79b369f35e4e&secure%5Burl%5D=https%3A%2F%2Fwww.lumana.ai%2Fget-demo%3Futm_source%3Dg2%26utm_medium%3Dpaidsocial&secure%5Burl_type%5D=book_demo) --- ## What Are the Top-Rated Tax Services Providers Products in 2026? ### 1. [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? **"[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) --- **"[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) --- #### 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? **"[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) --- **"[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) --- #### 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. [Sikich](https://www.g2.com/products/sikich/reviews) Sikich offers a formula of professional services uniquely crafted to address your business’s challenges and opportunities. Our comprehensive skillsets, obtained over decades of experience as entrepreneurs, business owners and industry innovators, allow us to provide insights and transformative services to help strengthen every dimension of your business. **Average Rating:** 4.1/5.0 **Total Reviews:** 10 **Who Is the Company Behind Sikich?** - **Seller:** [Sikich](https://www.g2.com/sellers/sikich) - **Year Founded:** 1982 - **HQ Location:** Chicago, Illinois - **LinkedIn® Page:** https://www.linkedin.com/company/sikich/ (2,311 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 40% Mid-Market, 40% Small-Business #### What Are Recent G2 Reviews of Sikich? **"[Outstanding Professional Services Agency](https://www.g2.com/survey_responses/sikich-review-8360276)"** **Rating:** 4.5/5.0 stars *— Perena M.* [Read full review](https://www.g2.com/survey_responses/sikich-review-8360276) --- **"[Great service, thorough and clear scoping objectives](https://www.g2.com/survey_responses/sikich-review-8533346)"** **Rating:** 4.0/5.0 stars *— Scott H.* [Read full review](https://www.g2.com/survey_responses/sikich-review-8533346) --- #### What Are G2 Users Discussing About Sikich? - [What is Sikich used for?](https://www.g2.com/discussions/what-is-sikich-used-for) ### 5. [Crowe](https://www.g2.com/products/crowe/reviews) Crowe is a public accounting, consulting, and technology firm that connecting deep industry and specialized knowledge with innovative technology to create value for clients with integrity and objectivity,by listening to their businesses, trends in their industries, and the challenges they face. **Average Rating:** 4.5/5.0 **Total Reviews:** 1 **Who Is the Company Behind Crowe?** - **Seller:** [Crowe](https://www.g2.com/sellers/crowe) - **HQ Location:** Chicago, Illinois, United States - **Twitter:** @CroweCRM (1,769 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/crowe/ (9,167 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 100% Small-Business #### What Are Recent G2 Reviews of Crowe? **"[AbleBridge - Crowe Are Great Partners ](https://www.g2.com/survey_responses/crowe-review-223833)"** **Rating:** 4.5/5.0 stars *— Larry G.* [Read full review](https://www.g2.com/survey_responses/crowe-review-223833) --- #### What Are G2 Users Discussing About Crowe? - [What is Crowe used for?](https://www.g2.com/discussions/crowe-what-is-crowe-used-for) - [What is Crowe used for?](https://www.g2.com/discussions/what-is-crowe-used-for) ### 6. [Marcum LLP](https://www.g2.com/products/marcum-llp/reviews) Marcum LLP is one of the largest independent public accounting and advisory services firms in the nation, with offices in major business markets throughout the U.S., as well as Grand Cayman, China and Ireland. **Who Is the Company Behind Marcum LLP?** - **Seller:** [Marcum](https://www.g2.com/sellers/marcum) - **Year Founded:** 1951 - **HQ Location:** New York, New York, United States - **Twitter:** @MarcumLLP (8,623 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/21984 (1,424 employees on LinkedIn®) ### 7. [WeiserMazars LLP](https://www.g2.com/products/weisermazars-llp/reviews) WeiserMazars specializes in accounting, tax and advisory with 700 professionals in 10+ US offices. **Who Is the Company Behind WeiserMazars LLP?** - **Seller:** [WeiserMazars](https://www.g2.com/sellers/weisermazars) - **HQ Location:** New York, NY - **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 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)