Explore the best business consulting firms in Greenville, South Carolina, trusted by brands like IKEA and UNICEF. DesignRush connects you with over 40,000 vetted agencies and facilitates over 100,000 client-agency matches monthly. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Best Greenville Business Consulting Company Rankings

8 Companies - Rankings updated: August 13, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

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United States × South Carolina × Greenville ×

  • Deloitte

    Collaborating for Lasting Impact in Business Consulting

    Collaborating for Lasting Impact in Business Consulting

    Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empower remarkable achievements, solve complex problems, and drive meaningful progress for clients, professionals...

    Top Services:

    • Business Consulting
    • Accounting
    • HR Outsourcing
    • Big Data Analytics
    • CRM Consulting
    • Show more
    Location
    Greenville, South Carolina
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
    View Profile
    3.4 3.4 (83)

  • Protiviti

    Global Business Consulting Excellence

    Global Business Consulting Excellence

    Protiviti is a global consulting firm that offers deep expertise, objective insights, and tailored solutions to empower leaders in tackling future challenges. With a comprehensive range of services spanning finance, technology, operations, data, analytics, governance, risk, and internal audit, we serve...

    Top Services:

    • Business Consulting
    • IT Compliance Solution
    • Big Data Analytics
    • IT Services
    • Cybersecurity
    • Show more
    Location
    Greenville, South Carolina
    Number of Employees
    1000 & Up
    Portfolios Count
    5 Projects Listed
    View Profile
    5.0 5.0 (1)

  • Forvis Mazars US

    Delivering Unmatched Accounting Services.

    Delivering Unmatched Accounting Services.

    Forvis Mazars is a leading public accounting firm ranked among the top 10 in the nation. With a forward vision and unwavering commitment to unmatched client experiences, we redefine excellence in the industry. Formed through the merger of two esteemed firms, BKD and DHG, FORVIS combines legacy and innovation...

    Top Services:

    • Business Consulting
    • Accounting
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Greenville, South Carolina
    Number of Employees
    1000 & Up
    View Profile

  • GreerWalker

    GreerWalker LLP has developed into one of the leading accounting and business advisory firms.

    GreerWalker LLP has developed into one of the leading accounting and business advisory firms.

    Founded by Charlie Greer and Kevin Walker in 1984, GreerWalker LLP has developed into one of the leading accounting and business advisory firms based in the Carolinas, with a total staff of more than 100 associates including eighteen partners...

    Top Services:

    • Business Consulting
    • Accounting
    Location
    Greenville, South Carolina
    Number of Employees
    100 - 249
    View Profile
    5.0 5.0 (3)

  • EY

    Building A Better Working World

    Building A Better Working World

    EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders...

    Top Services:

    • Business Consulting
    • HR Outsourcing
    • Accounting
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Greenville, South Carolina
    Number of Employees
    1000 & Up
    View Profile

  • KPMG

    Together, we achieve more.

    Together, we achieve more.

    Offering project management, business, and IT services. At KPMG LLP, their purpose is to turn knowledge into value for the benefit of their clients, people, and the capital markets...

    Top Services:

    • Business Consulting
    • Market Research
    • Accounting
    • HR Outsourcing
    • IT Services
    • Show more
    Location
    Greenville, South Carolina
    Number of Employees
    1000 & Up
    View Profile
    4.5 4.5 (52)

  • BDO

    IDEAS | PEOPLE | TRUST

    IDEAS | PEOPLE | TRUST

    BDO is a trusted adviser to clients seeking project management, audit, tax, and business consulting services. As one of the worlds leading audit and accounting organisations, we have clients of all types and sizes from large corporate organisations to private businesses, entrepreneurs and individuals across...

    Top Services:

    • Business Consulting
    • Accounting
    • BPO
    • HR Outsourcing
    • Market Research
    • Show more
    Location
    Greenville, South Carolina
    Number of Employees
    Under 49
    View Profile
    4.3 4.3 (6)

  • Anonymous Marketing

    Unique Reporting For A Unique Approach

    Unique Reporting For A Unique Approach

    Our team was built to provide our partners with a full-scope of digital marketing services. From website design and development, to paid ads, to ongoing SEO & business consulting, we strive to be your one stop for everything digital...

    Top Services:

    • Digital Marketing
    • SEO
    • Social Media Marketing
    • Web Development
    • PPC
    • Show more
    Location
    Greenville, South Carolina
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (1)

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