Top Ohio Consulting Companies (224)

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...

In 1939, Bill Hewlett and Dave Packard, college friends turned business partners, started the original Silicon Valley startup in the space of a rented Palo Alto garage. Starting with audio oscillators, the friends built the foundation for a company that would grow to become a global leader in enterprise technology. More than 75 years later, our success is exemplified through...

STR makes the world a safer place by developing technology and applying it to solve emerging national security challenges.

Langan is a premier provider of integrated land development engineering, environmental consulting, and digital solutions. The firm supplies engineering and environmental services supporting land development projects, corporate real estate portfolios, and the energy industry. It also partners with clients as a technical and regulatory advocate, helping them address complex environmental challenges through site assessment, design, and remediation, as well as...

Benesch, formally Alfred Benesch & Company, is a multidisciplinary professional services firm providing planning, engineering, and design for infrastructure and community projects across the United States. Its work spans transportation—including roads, bridges, railroads, aviation, and transit—along with community development, environmental and water resources. The firm supports clients from needs assessment and concept development through design, regulatory compliance, and construction management.

Eliassen Group is a leading strategic consulting company that provides business, clinical, and IT services for our clients as they seek to transform and execute strategies that will drive exceptional outcomes. Leveraging over 30 years of success, we focus on clinical solutions, professional services, and talent solutions. Eliassen Group positively impacts the lives of our employees, clients, consultants, and the...

Helping medical device Sponsors improve healthcare since 1967, NAMSA is the world’s leading MedTech Contract Research Organization (CRO) offering global end-to-end development services. Driven by its global regulatory expertise and in-depth therapeutic knowledge, NAMSA is dedicated to accelerating medical device product development, offering only the most proven solutions to move clients’ products through the development lifecycle efficiently and cost-effectively. From...

Computer Enterprises, Inc. (CEI) is a minority-owned, privately held technology services company founded in 1992. It helps organizations modernize and operationalize enterprise technology, with a current focus on AI engineering and transformation across the full delivery lifecycle. CEI provides consulting and implementation services spanning cloud, data, applications, digital platforms, and automation, supported by partnerships with major technology providers and cross-industry...

Thorson • Baker + Associates (TBA) is a multi-discipline consulting engineering firm founded in 1993. The company provides structural, mechanical, electrical, civil, and technology engineering design services for the building construction industry, specializing in institutional and commercial building design. TBA operates nationwide, delivering creative design solutions and professional project administration to ensure high-quality, efficient outcomes for clients across the United...

SE16N sp. z o.o. is a consulting company specializing in SAP services across technology, integration, programming, management, and post-implementation support. It assists clients with IT-system audits, recommendations, solution implementation, education, and user support. The company also recruits consultants to deliver SAP projects and advanced customer support, reflecting a service model focused on implementation, technical expertise, and ongoing operational assistance.

Work with purpose. At FMG, we are deeply committed to helping people make better decisions. Society’s greatest challenges won’t be solved on a whim. That’s why we collaborate with our partners and clients to find creative solutions to complex problems through research and strategy to create lasting change. From individuals to institutions, we’re deeply invested in the change we want...

Proudly located in Canton and Alliance, Ohio, 415 Group is a certified public accounting, business consulting and IT services firm. Established in 1981, we provide comprehensive solutions to businesses and individuals across Northeast Ohio. From publicly traded companies to local nonprofits, our experience and expertise spans across a variety of industries. We offer solutions tailored to fit your needs including audit...

Skynet Innovations, now operating as LayerCake Technologies, is a managed service provider (MSP) that delivers comprehensive IT solutions. Their services include managed and co-managed IT, cybersecurity, cloud computing, and IT consulting. They focus on aligning technology strategies with business goals, providing proactive support, and ensuring system stability and security for organizations across various industries, including manufacturing.

ERG is a multidisciplinary consulting firm offering a broad range of professional services. From offices across the country, we serve a spectrum of public and private clients, including federal agencies, state governments, corporations, and universities.

MSTiller, LLC (MST) is a premier Southeast-focused accounting firm providing assurance, tax, business advisory, and financial services. Founded in 1956, the firm serves middle-market organizations, family-owned businesses, and private foundations. Dedicated to forging lasting relationships, MST helps clients develop financial and operational strategies for success. The firm joined Armanino in March 2026, further expanding its capabilities across tax, audit, and...

Protect Environmental is a national leader in the environmental consulting and remediation industry, specializing in radon and chemical vapor intrusion management. With over 18 years of experience and thousands of projects completed across all 50 U.S. states and two territories, the company provides expert, turnkey services to residential and commercial property owners, ensuring indoor environments are safe, healthy, and sustainable...

Orion ICS, LLC, also known as Orion Talent, is a leading military talent acquisition firm specializing in connecting military veterans with employment opportunities. They provide skilled talent acquisition, recruitment optimization, and Recruitment Process Outsourcing (RPO) services.

Perficient is a leading global digital consultancy. We imagine, create, engineer, and run digital transformation solutions that help our clients exceed customers’ expectations, outpace competition, and grow their business. With unparalleled strategy, creative, and technology capabilities, we bring big thinking and innovative ideas, along with a practical approach to help the world’s largest enterprises and biggest brands succeed.

Navigate Power is a leading energy broker and consulting firm that helps businesses reduce energy costs through expert procurement, efficiency solutions, and utility audits.

TiER1 Performance is a consulting firm that helps organizations improve performance by focusing on their people. They provide services in strategy, change management, learning, and technology integration. They are an employee-owned firm that emphasizes a human-centered approach to business transformation, serving large organizations, including Fortune 500 companies, to drive engagement, innovation, and lasting change.