Top Illinois Professional Services Companies (304)

Fusion Risk Management is recognized as the most innovative and fastest growing provider of cloud-based enterprise software for business continuity risk management, IT disaster recovery and crisis management. Fusion is transforming the industry and has been named a leader in Gartner's Magic Quadrant for Business Continuity Management software.

Build what’s next — with tech that matters PwC provides professional services across Audit and Assurance, Advisory and Tax — powered by a global network of over 370,000 people in 149 countries. You may know us for our business expertise, but technology is core to how we help clients move faster, build trust and deliver meaningful outcomes. As a technologist, you’ll work...

Leading a successful professional service firm is an art. Running a profitable firm is a business. We understand this because our founder ran an IT Consulting firm for over 15 years. He grappled with the same challenges that professional service firm owners face today. How do I know what my employees are working on? How can I connect time and...

ZS is a management consulting and technology firm that partners with companies to improve life and how we live it. We transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Founded in 1983, ZS has more than 15,000+ employees in over 40 offices worldwide.

Here at Strata, we provide financial planning software, data, and insights to drive decisions and performance for organizations spanning the healthcare, higher education, and financial services industries.

Energy CX is a family-founded energy broker redefining how businesses buy energy. Powered by ABEL™, a proprietary platform, the company uses math-based trading methodologies to help customers treat energy like an investment, not a line item. Energy CX replaces fragmented tools and legacy broker models with a centralized, technology-led approach—reducing risk, controlling spend, and bringing clarity to complex energy markets....

ABN AMRO Clearing USA LLC (AAC-USA) is a subsidiary of ABN AMRO Clearing Bank N.V. We are a global clearing firm that provides an integrated suite of financial services to professional trading participants in the global financial market. The core service offering consists of clearing, execution, stock borrowing and lending, settlement. AAC-USA has a Global Reach through direct and indirect clearing...

A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...

Capco, a Wipro company, is a global management and technology consultancy specializing in driving transformation in the energy and financial services industries. Capco operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Capco’s cutting...

Join. Grow. Lead the Future of Supply Chain. At Cleo, we don’t just integrate supply chains—we orchestrate them. As the pioneer and global leader of the Supply Chain Orchestration software category, Cleo is helping thousands of companies around the globe drive transformation, deliver excellence, and shape the future of their global operations. Whether you're joining us from outside or growing within, Cleo...

At Quantum Rise, we're transforming how businesses use AI and automation to fuel growth and innovation. As an AI-native company, we combine human expertise with cutting-edge technology to solve real-world challenges. Our team is passionate about building products that are always on, continuously improving, and designed to help companies get the most out of their existing technology. But it’s not...

Who We Are Founded in 2001, Adage Technologies is a digital engineering firm building modern, AI‑enabled solutions that help organizations engage their audiences and operate more efficiently. With offices in Chicago and Medellín, our 120‑person team blends strategy, design, engineering, and data to create impactful digital experiences for performing arts organizations, associations and accreditation bodies, and manufacturing and distribution companies. What We...

Dscout helps companies better understand the experiences people have with their products and brands in everyday life. Our SaaS video research platform helps our customers gather, manage, share and analyze millions of in-context moments submitted by people around the world.

Prosodica transforms the way organizations understand and improve human connection. Our AI-powered conversation analytics platform captures every nuance of human dialogue—tone, pacing, empathy, and engagement—and translates it into measurable data that leaders can act on. By quantifying what was once intangible, Prosodica helps enterprises build stronger teams, elevate customer experiences, and create workplaces where communication drives results. At the heart of...

Strategic Systems International (SSI) is a fast-growing Advanced Analytics and Software Engineering firm that partners with tech companies to help them launch and scale their products. The company was launched in 1991 by alumni of University of Chicago and Northwestern has grown to 200 employees with presence in US, Europe and Asia. We architect a

Red Chalk Group is a professional services firm and strategic advisor to senior management on issues related to top-line growth, disruptive technology, key mega-trends, and related intellectual property. Our firm delivers strategies related to new revenue platforms, emerging and disruptive technologies, industry & competitive analysis, M&A support, and IP analysis and transaction services. Red Chalk Group has helped business leaders...

Founded in 1924, Plante Moran is among the nation's largest certified public accounting and business advisory firms, providing clients with financial, human capital, operations improvement, strategic planning, technology selection and implementation, and wealth management services. The firm has a staff of more than 2,000 professionals, including mo

Forget what you think you know about professional services. We go beyond what’s expected and help others do the same. Grant Thornton is the U.S. member firm of Grant Thornton International Ltd, one of the world’s leading independent audit, tax and advisory firms. That means our network has more than 60,000 professionals in more than 135 countries who are ready to...

Modern digital products rarely fail because of one dramatic error; more often, they degrade through small, measurable changes that teams ignore for too long. In practice, engineering and communication become tightly connected, especially when uptime affects trust, and this is why topics like public relations can appear in technical discussions without sounding forced. A slowdown in APIs, rising queue latency,...

Crafty is a leading national provider of office food and beverage programs, helping top workplaces elevate the employee experience. Powered by an innovative, centralized platform, Crafty delivers tailored, scalable pantry services to meet each client’s unique needs. Since 2015, companies like DraftKings, Robinhood, and Zillow have partnered with Crafty to create workplace experiences that foster culture, connection, and productivity. With...