# Best Auditing Services Providers in Pittsburgh, PA *By [Nathan Calabrese](https://research.g2.com/insights/author/nathan-calabrese)* Auditing services help companies ensure their accounting records are an accurate representation of the transactions that they have made. Auditing services assist companies with constructing compliant financial statements and communication with banks, investors/shareholders, and other financial partners that their finances are in order. Auditing services are most commonly implemented in a company’s finance and accounting departments. Auditing services can often be supplemented by [financial consulting providers](https://www.g2.com/categories/financial-consulting), [bookkeeping services providers](https://www.g2.com/categories/bookkeeping-services), and [tax services providers](https://www.g2.com/categories/tax-services). To qualify for inclusion in the Auditing Services category, a services provider must: - Perform analytical procedures on expected or unexpected variances in account balances or classes of transactions - Communicate with management and gain an understanding of the organization, its operations, financial reporting, and known fraud or error - Confirm accounts receivable and other accounts with a third party - Construct compliant financial statements and communication with banks, investors/shareholders, and other financial partners ## G2 Grid® for Auditing Services Providers ![G2 Grid® for Auditing Services Providers plotting products by satisfaction and market presence](https://www.g2.com/categories/auditing-services/grids.png?focus%5B%5D=1317354&focus%5B%5D=22426&focus%5B%5D=1309730&focus%5B%5D=113590) Highlighted products: Insight Assurance, Deloitte Consulting, Johanson Group, and PricewaterhouseCoopers (PwC). Underlying data: [Grid® JSON](https://www.g2.com/categories/auditing-services/grids.json?focus%5B%5D=insight-assurance&focus%5B%5D=deloitte-consulting&focus%5B%5D=johanson-group&focus%5B%5D=pricewaterhousecoopers-pwc) ## How Many Auditing Services Providers Products Does G2 Track? **Total Products under this Category:** 42 ### Category Stats (Jul 2026) - **Average Rating**: 4.6/5 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 15, 2026* ## How Does G2 Rank Auditing Services Providers Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 500+ Authentic Reviews - 42+ 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** ### FortiGate-VM NGFW FortiGate-VM is a virtual firewall solution designed to help users secure their cloud environments and on-premises networks. As a next-generation firewall developed by Fortinet, FortiGate-VM integrates advanced security features with the flexibility of virtualization, making it suitable for deployment in various public and private cloud infrastructures. This solution is particularly beneficial for organizations looking to enhance their cybersecurity posture while leveraging the scalability and efficiency of cloud technologies. Targeted at enterprises and organizations of all sizes, FortiGate-VM is ideal for IT security teams that require robust protection against increasingly sophisticated cyber threats. Its deployment across diverse environments allows businesses to maintain consistent security policies and practices, regardless of whether their infrastructure is on-premises, in the cloud, or a hybrid of both. Specific use cases include protecting sensitive data in cloud applications, securing remote access for employees, SD-WAN, and ensuring compliance with industry regulations. One of the key features of FortiGate-VM is its AI-powered threat intelligence. FortiGuard utilizes machine learning algorithms to analyze vast amounts of data, enabling the identification of emerging threats in real time. This proactive approach to threat detection ensures that organizations can respond swiftly to potential vulnerabilities before they can be exploited. Additionally, the behavioral analysis capabilities of FortiGate-VM allow for the identification of anomalous activities, further enhancing its ability to mitigate risks associated with cyberattacks. FortiGate-VM stands out in the virtual firewall category due to its seamless integration with existing Fortinet security solutions, providing a comprehensive security architecture. The solution offers advanced features such as intrusion prevention, web filtering, and application control, all of which contribute to a multi-layered defense strategy. Furthermore, its scalability allows organizations to easily adjust their security resources in response to changing business needs, ensuring that they remain protected as they grow. FortiGate-VM delivers unmatched security and value, making it a vital component for organizations seeking to fortify their defenses against the evolving landscape of cyber threats. Its combination of advanced threat protection, AI-driven insights, and flexible deployment options positions it as a critical tool for maintaining a secure and resilient network environment. [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=1637&secure%5Bchosen_at%5D=2026-07-15T14%3A57%3A02Z&secure%5Bdisplayable_resource_id%5D=73&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=retargeted_product&secure%5Bplacement_resource_ids%5D%5B%5D=40399&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=40399&secure%5Bresource_id%5D=1637&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fauditing-services%2Flocations%2Fpittsburgh-pa-us&secure%5Btoken%5D=59b3602ffe50065569a208a67a84b7a8d60af394888a81db3afe0f037e5d710e&secure%5Burl%5D=https%3A%2F%2Fvm.fortigate.com%2F%3Futm_source%3Dg2%26utm_medium%3Dcpc%26utm_id%3Ddirect-publisher&secure%5Burl_type%5D=custom_url) --- ## What Are the Top-Rated Auditing 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? **"[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? **"[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) --- **"[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) --- ### 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) ## What Is Auditing Services Providers? [Business Finance Providers](https://www.g2.com/categories/business-finance) ## What Software Categories Are Similar to Auditing Services Providers? - [Cybersecurity Consulting Services](https://www.g2.com/categories/cybersecurity-consulting) - [Accounting Firms ](https://www.g2.com/categories/accounting-firms) - [Financial Consulting Providers](https://www.g2.com/categories/financial-consulting) - [Tax Services Providers](https://www.g2.com/categories/tax-services)