Accounting Firms in Chicago Illinois – Advisors for Businesses of All Sizes !

Chicago, Illinois, is not only one of America’s largest and most dynamic cities, but it’s also a hub for commerce, finance, and innovation. Businesses from a variety of industries call Chicago home, ranging from fast-growing tech startups to long-established manufacturing companies and large-scale corporate headquarters. Whether you’re a small business owner or a corporate executive, one thing is certain: access to the best accounting services is critical for success.

In this article, we present a carefully researched list of the Top 20 Accounting Firms in Chicago, highlighting their strengths, specializations, and the reasons they’re trusted by both small businesses and large corporate clients.

List of top 20 best Accounting Firms in Chicago Illinois !

Deloitte LLP

As one of the largest accounting firms in Chicago and the world, Deloitte provides a wide array of full-service solutions, including corporate tax, audit, consulting, and risk assurance. With a global footprint and a strong local presence in Chicago, Deloitte serves clients in finance, healthcare, real estate, and more.

Best For: Corporate clients, global operations
Specialties: Audit, Tax, Business Valuation, Due Diligence, Risk Advisory
Notable Feature: Industry-specific experts and technology-driven financial solutions

Ernst & Young (EY)

EY is a top-rated accounting firm with a strong presence in downtown Chicago. Known for its commitment to wealth management, innovation, and regulatory compliance, EY is especially valuable to clients seeking support with restructuring, mergers, and complex tax planning.

Best For: Fortune 500 companies, strategic planning
Specialties: Assurance, Tax Planning, Business Transformation
Strength: Cutting-edge financial technologies and tailored advisory services

PricewaterhouseCoopers (PwC)

PwC Chicago offers world-class accounting and financial consulting. Their certified public accountants provide customized business solutions for corporate tax planning, audit, and advisory across multiple sectors, including banking, manufacturing, and tech.

Best For: Corporate finance, compliance
Specialties: Audit, Tax, Finance Strategy, M&A
Notable Services: Due diligence and outsourced accounting options for expanding businesses

KPMG LLP

KPMG is a trusted full-service accounting firm with decades of experience in the Chicago area. They provide in-depth audit and assurance, risk management, and corporate advisory services. KPMG is especially recognized for its services in technology consulting, wealth planning, and realtime financial reporting.

Best For: Mid-to-large-sized enterprises
Specialties: Tax, Advisory, Realtime Reporting, Financial Risk Analysis
Key Clients: Multinational corporations, non-profits, educational institutions

RSM US LLP

RSM is the leading provider of accounting services for middle-market companies in the U.S. Based in Chicago, RSM specializes in tailored solutions across industries like manufacturing, healthcare, nonprofits, and retail. Their team offers strategic financial planning, audit, corporate tax, and business valuation services.

Best For: Middle-market businesses, growth-stage companies
Specialties: Audit, Tax Planning, Financial Strategy, IT Consulting
Standout Feature: Client-focused, industry-specific insights

Grant Thornton LLP

A Chicago-headquartered firm, Grant Thornton provides custom accounting solutions with a strong focus on innovation, transparency, and financial compliance. Their services include tax advisory, audit and assurance, and wealth consulting.

Best For: Mid-sized to large companies
Specialties: Audit, Tax, Business Risk, Transaction Advisory
Bonus: Custom software solutions for enhanced financial reporting

BDO USA, LLP

BDO has built a national reputation for offering outsourced accounting and financial advisory services to businesses of all sizes. With a major presence in Chicago, BDO serves clients in manufacturing, real estate, and healthcare with a focus on tax efficiency and strategic planning.

Best For: Businesses looking for tailored, cost-effective financial services
Specialties: Audit, Tax, Due Diligence, Wealth Planning
Extra Value: Global reach with personalized local service

Baker Tilly US, LLP

Baker Tilly is a nationally recognized accounting firm offering custom accounting and tax solutions. Their Chicago office supports a wide range of clients, including emerging startups and large enterprises, offering expert corporate finance, compliance, and business valuation services.

Best For: Companies needing scalable accounting solutions
Specialties: Corporate Tax, Audit, Advisory, M&A, Assurance
Standout Feature: Deep industry specialization and predictive analytics

Plante Moran

Plante Moran offers a full-service approach to accounting and consulting, tailored specifically to entrepreneurs, family businesses, and small-to-midsize companies in Chicago. Their experts provide a mix of compliance, tax strategy, and business development services.

Best For: Small businesses, family-owned firms
Specialties: Business Valuation, Tax Planning, Assurance, Outsourced CFO services
Unique Benefit: Client-first philosophy and transparent pricing

Crowe LLP

Crowe is a top 10 U.S. accounting firm with headquarters in Chicago. Known for its strong reputation in audit, advisory, and finance consulting, Crowe delivers technology-driven accounting solutions across sectors like healthcare, government, and banking.

Best For: Regulated industries and financial institutions
Specialties: Audit, Risk Consulting, Corporate Tax, Cybersecurity
Extra Advantage: Industry-specific accounting tools

ORBA (Ostrow Reisin Berk & Abrams, Ltd.)

ORBA is a Chicago-based accounting firm offering personalized services to entrepreneurs, professional practices, and nonprofit organizations. Their focus on tailored planning, realtime reporting, and custom wealth management strategies makes them ideal for small and mid-sized businesses.

Best For: Physicians, law firms, nonprofits, small business owners
Specialties: Tax Planning, Business Advisory, Audit, Outsourced CFO
Bonus: Responsive service and expert consulting for new clients

Mowery & Schoenfeld, LLC

Mowery & Schoenfeld offers comprehensive financial services including tax, audit, business valuation, and wealth advisory. With a reputation for technical excellence and strong client relationships, they help clients navigate complex financial environments.

Best For: Growth-stage companies and high-net-worth individuals
Specialties: Audit, Tax Strategy, Wealth Planning, Due Diligence
Strength: Responsive, hands-on advisors

Miller Cooper & Co., Ltd.

Founded in Chicago, Miller Cooper provides full-service accounting to businesses across various industries. Their certified public accountants deliver audit, tax planning, outsourced accounting, and corporate advisory services tailored to local and regional businesses.

Best For: Mid-sized companies, real estate firms, nonprofits
Specialties: Assurance, Business Strategy, Tax, Valuation
Notable: Deep market understanding of the Chicagoland economy

Wipfli LLP

Wipfli offers comprehensive accounting and consulting services for businesses looking to innovate and grow. With its strong Chicago team, Wipfli helps companies with financial reporting, compliance, corporate finance, and IT integration.

Best For: Tech-forward businesses, healthcare, and retail
Specialties: Tax, Audit, Technology Consulting, Planning
Unique Value: Realtime insights through financial dashboards

DHJJ Certified Public Accountants

With offices in the Chicago suburbs, DHJJ delivers expert accounting and tax services to small businesses and professional service firms. Known for their attention to detail and custom planning, DHJJ is ideal for companies seeking long-term financial growth strategies.

Best For: Professional service firms, startups
Specialties: Tax, Audit, Business Valuation, Financial Planning
Highlight: Personalized service and educational client approach

Weiss & Company LLP

Weiss & Company is a full-service CPA firm offering both traditional accounting and strategic consulting for businesses and individuals. Their Chicago-area team helps clients with audit, tax preparation, planning, and compliance for businesses across many sectors.

Best For: Local businesses and entrepreneurs
Specialties: Corporate Tax, IRS Representation, Assurance Services
Bonus: Boutique feel with big-firm expertise

Porte Brown LLC

Serving the Chicago metropolitan area for over 75 years, Porte Brown is known for its outsourced accounting, payroll, and financial consulting services. Their team of certified public accountants works closely with manufacturing, construction, and nonprofit organizations.

Best For: Outsourced financial services and operational support
Specialties: Tax, Business Advisory, Payroll, Technology Consulting
Value Add: Cloud accounting and secure portals for realtime reporting

Mueller CPA

Mueller is a well-respected Chicago-based accounting firm offering a broad range of services including tax strategy, business advisory, and international tax planning. Their team works closely with both domestic and international companies, providing insights into cross-border tax regulations and financial compliance.

Best For: International companies, growing businesses
Specialties: Tax Strategy, International Accounting, Audit, Consulting
Unique Offering: Global reach with local expertise

The Hechtman Group

The Hechtman Group provides tailored financial solutions to entrepreneurs, medical professionals, and family-owned businesses in the Chicagoland area. Their certified public accountants deliver reliable tax planning, accounting services, and wealth advisory designed to help clients build sustainable financial futures.

Best For: Small businesses, independent professionals
Specialties: Tax Preparation, Business Planning, Audit, Financial Growth
Bonus: Personalized service with high client satisfaction

CDH Accounting and Advisory

CDH is a full-service accounting firm with a bilingual team that serves both English and Japanese-speaking clients. Their Chicago-area office offers specialized services for corporate tax planning, outsourced accounting, and international business consulting.

Best For: Global businesses, Japanese companies in the U.S.
Specialties: Tax Compliance, Business Valuation, Outsourcing, IT Consulting
Standout Feature: International business focus with a culturally diverse team

To sum up:

Choosing an accounting firm in Chicago depends on your business goals, industry, and the complexity of your financial needs. Whether you need corporate tax planning, outsourced accounting, business valuation, or audit services, these top 20 accounting firms provide a wide range of custom and affordable solutions for businesses of all sizes.

These firms bring deep industry expertise, advanced technologies, and certified public accountants ready to help new clients navigate financial challenges, achieve compliance, and plan for the future.

Whether you’re a startup founder, a small business owner, or a CFO of a multinational corporation, partnering with the right accounting experts in Chicago can help you unlock your next level of growth.