# Best Auditing Services Providers in Philadelphia, PA ## How Many Auditing Services Providers Products Does G2 Track? **Total Products under this Category:** 43 ### 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:** Insight Assurance (+0.02%) - Among all products in this category, Insight Assurance recorded the largest rating increase compared to last month _Last updated: July 28, 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 - 43+ 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 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 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=pwc-pwc) **Sponsored** ### Insight Assurance Insight Assurance is a global cybersecurity and compliance firm that supports organizations across industries in navigating complex regulatory frameworks with clarity and confidence. Our team brings extensive experience from top public accounting firms—including Big 4 backgrounds—to deliver high-quality audit and advisory services aligned with SOC 2, ISO 27001, PCI DSS, HITRUST, and other industry standards. We serve startups, large enterprises, and public sector entities with a flexible, collaborative approach that emphasizes risk awareness, operational integrity, and long-term resilience. As an independent third-party, we are committed to helping organizations meet their compliance responsibilities without compromising on quality or trust. Delivering Quality, Assuring Trust. [Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=paid_promo&secure%5Bad_slot%5D=category_product_list&secure%5Bcategory_id%5D=1637&secure%5Bchosen_at%5D=2026-07-28T20%3A01%3A15Z&secure%5Bmedium%5D=sponsored&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=1317354&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%2Fphiladelphia-pa-us&secure%5Btoken%5D=f70f0d6ad69eb88874bef36e1ffd8cb5e2e39b79fdefa2069a94188b73b96760&secure%5Burl%5D=https%3A%2F%2Finsightassurance.com%2Fservices%2F&secure%5Burl_type%5D=paid_promos) [ Ernst & Young ](https://www.g2.com/products/ernst-young/reviews) By [Ernst & Young (E&Y)](https://www.g2.com/sellers/ernst-young-e-y) [ 4.1/5(20) ](https://www.g2.com/products/ernst-young/reviews) Product Description One of the world's leading professional services organizations, helps companies across the globe to identify and capitalize on business opportunities. [ KPMG ](https://www.g2.com/products/kpmg/reviews) By [KPMG](https://www.g2.com/sellers/kpmg-e2874d4d-01ea-4fab-aa80-7344e39b9d73) [ 4.2/5(22) ](https://www.g2.com/products/kpmg/reviews) Product Description We offer broad management consulting skills including technology enablement. [ Friedman LLP ](https://www.g2.com/products/friedman-llp/reviews) By [Friedman](https://www.g2.com/sellers/friedman-cd1ea5b2-90d5-4aa3-ab91-cc72b22e7ff8) [ 0/5(0) ](https://www.g2.com/products/friedman-llp/reviews) Product Description Friedman LLP is an accounting and consulting firm that provide services including tax, accounting, auditing, forensic and management advisory services to help publicly/privately held companies and ind [ Grant Thornton ](https://www.g2.com/products/grant-thornton/reviews) By [Grant Thornton](https://www.g2.com/sellers/grant-thornton) [ 4.8/5(3) ](https://www.g2.com/products/grant-thornton/reviews) Product Description 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, m Spotlight Categories [Time Tracking Software](https://www.g2.com/categories/time-tracking-software) [Purchasing Software](https://www.g2.com/categories/purchasing-software) [Robotic Process Automation (RPA) Software](https://www.g2.com/categories/robotic-process-automation-rpa) [Attribution Software](https://www.g2.com/categories/attribution) [Low-Code Development Platforms](https://www.g2.com/categories/low-code-development-platforms) Similar Categories - [409A Valuations Providers](/categories/409a-valuations-providers) - [Accounting Firms](/categories/accounting-firms) - [Bookkeeping Services](/categories/bookkeeping-services) - [Business Process Outsourcing (BPO) Service](/categories/business-process-outsourcing-bpo-service) - [Enterprise Performance Management (EPM) Consultants](/categories/enterprise-performance-management-epm-consultants) - [Financial Consulting](/categories/financial-consulting) - [Investment Firms](/categories/investment-firms) - [Other Business Finance](/categories/other-business-finance) - [Tax Credit Providers](/categories/tax-credit-providers) - [Tax Services](/categories/tax-services) [Browse Auditing Services Themes](/categories/auditing-services/themes) ![Nathan Calabrese](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Nathan Calabrese") NC Researched and written by [Nathan Calabrese](https://research.g2.com/insights/author/nathan-calabrese) Updated October 3, 2024 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 Show More