Protiviti
Protiviti
Protiviti is a global business consulting firm that helps organizations address technology, artificial intelligence, data, finance, operations, compliance, risk management, internal audit, cybersecurity, digital transformation, and other complex business challenges. The firm works with large multinational corporations, government organizations, public-sector agencies, privately held businesses, and growing companies preparing for expansion or public-market transactions. Protiviti launched in May 2002, when Robert Half reached an agreement to hire approximately 700 professionals from Arthur Andersen’s U.S. internal audit and business-risk consulting practices.
Protiviti has since expanded into an international consulting organization with more than 11,000 people, and its network of Protiviti offices and independently owned member firms covers more than 90 offices in over 25 countries. The firm states that it has served more than 80% of Fortune 100 companies and nearly 80% of Fortune 500 companies. Its consulting model combines industry specialists with technology, finance, audit, compliance, and transformation professionals to address both operational improvement and enterprise-risk priorities.
Protiviti is a wholly owned subsidiary of Robert Half Inc., which trades on the New York Stock Exchange under ticker RHI. As of October 2026, Joe Tarantino remains President and CEO of Protiviti, but Robert Half has already announced a leadership transition. Tarantino will move to Senior Managing Director on January 1, 2027, and current Chief Operating Officer Cory Gunderson will become President and CEO effective January 1, 2027. Protiviti generated approximately $1.949 billion in service revenue during 2025.
Protiviti Inc.
2884 Sand Hill Road, Suite 200
Menlo Park, CA 94025
United States
Protiviti’s current website, Privacy Notice, legal materials, and corporate contact pages continue to identify this Menlo Park address as its main U.S. corporate address. It is also the headquarters address of parent company Robert Half.
Protiviti’s principal U.S. corporate office is located at the same address
2884 Sand Hill Road, Suite 200
Menlo Park, CA 94025
Because Protiviti is a wholly owned Robert Half subsidiary, certain corporate, investor, legal, and administrative functions are coordinated with Robert Half from the same Menlo Park campus.
Corporate correspondence can be addressed to
Protiviti Inc.
2884 Sand Hill Road, Suite 200
Menlo Park, CA 94025
For privacy matters, correspondence may be marked for the Privacy Office.
Legal or copyright-related correspondence can also be directed to Protiviti’s Legal Department at the Menlo Park headquarters. Current Terms of Use list this same physical address for copyright and legal notices.
No separate historical headquarters correction is necessary for the current page if it already lists Menlo Park. The current verified corporate address remains 2884 Sand Hill Road, Suite 200, Menlo Park, CA 94025.
650-234-6000
Protiviti does not operate a conventional consumer Customer Service call center because it is a business consulting company. General corporate and business inquiries can use
650-234-6000.
2884 Sand Hill Road, Suite 200, Menlo Park, CA 94025
2884 Sand Hill Road, Suite 200, Menlo Park, CA 94025
Privacy: privacy@protiviti.com
Protiviti primarily uses online contact forms and business-specific contacts rather than one universal client-service email.
Business Consulting, Technology Consulting, Risk Management, Internal Audit, Compliance, Finance Transformation and Digital Transformation
May 2002.
11,000+ people across Protiviti and its network of member firms.
90+ offices in 25+ countries.
Protiviti does not publish standard public walk-in hours for its Menlo Park headquarters. Business visitors should arrange meetings in advance.
Protiviti is not separately publicly traded.
Parent company Investor Relations
https://www.roberthalf.com/us/en/about/investor-center
Careers
https://www.protiviti.com/us-en/careers
Protiviti helps organizations strengthen internal-audit functions, assess controls, improve audit methodology, and address financial-reporting risks. Engagements can range from co-sourcing and transformation projects to specialized audit support and governance reviews.
The firm helps clients identify, evaluate, and manage regulatory, operational, enterprise, and compliance risks. Services can include risk assessments, compliance-program design, control testing, monitoring, regulatory readiness, and remediation.
Protiviti provides technology strategy, implementation, modernization, governance, and risk services. Its professionals work across enterprise platforms, cloud environments, digital infrastructure, software, data architecture, and IT operating models.
Protiviti assists companies with AI strategy, implementation, governance, risk management, responsible AI frameworks, and adoption planning. The work can include generative AI, automation, analytics, control design, and business-process transformation.
Cybersecurity services help organizations evaluate security posture, identity management, cloud risk, threat resilience, data protection, incident preparedness, and cyber governance. Protiviti also helps clients align security programs with regulatory and industry requirements.
Protiviti works with organizations to improve data governance, architecture, analytics, reporting, and AI readiness. Engagements may include data modernization, quality management, business intelligence, analytics strategy, and advanced-data programs.
Finance consulting includes planning, close and reporting processes, finance technology, cost optimization, controls, accounting operations, and organizational transformation. Protiviti helps finance functions improve efficiency while supporting more timely business decision-making.
Protiviti helps clients redesign business processes, operating models, controls, workflows, and performance-management practices. These projects typically focus on improving efficiency, reducing risk, lowering cost, and supporting sustainable growth.
Digital consulting supports organizations modernizing customer experiences, operating platforms, workflows, and technology environments. Protiviti can assist with strategy, design, implementation, governance, and change management.
Protiviti provides cloud strategy, migration, security, governance, optimization, and operating-model support. Services help companies adopt cloud platforms while managing cost, compliance, security, and resilience.
The firm assists with major enterprise platforms and business applications, including implementation, controls, transformation, integration, and process improvement around ERP and other large-scale systems.
Protiviti provides managed and ongoing services where organizations need continuing access to specialist expertise rather than a one-time project. These can support technology, risk, compliance, audit, finance, and operational functions.
Protiviti assists legal and compliance teams with investigations, regulatory matters, data, controls, process improvement, and compliance-program transformation.
HR-related services can include workforce strategy, organizational change, HR technology, employee processes, risk, analytics, and operating-model improvement.
Protiviti supports acquisitions, divestitures, integrations, due diligence, risk analysis, technology separation, and finance or operational transition activities associated with corporate transactions.
650-234-6000
650-234-6000
650-234-6000
650-234-6000.
Protiviti does not publish a conventional consumer Customer Service number.General business inquiries can begin through 650-234-6000 or the official contact form.
No separate universal client-support line is publicly listed.
No universal Protiviti toll-free corporate number is prominently published.
Protiviti does not publish one nationwide sales number. Prospective clients should use the official Connect With Us form or contact a local Protiviti office.
No universal public billing number is listed. Existing clients should use their engagement or account contacts.
Protiviti has regional and local offices worldwide, but no single regional-office number applies to all locations.
Individual offices maintain local contacts. Clients should use Protiviti’s office directory or their engagement team.
No single universal international number is published because Protiviti operates through country-specific offices and independent member firms.
No public corporate emergency or after-hours hotline is listed.
Protiviti has no separate Investor Relations department.
Parent company Robert Half corporate and investor contact:
650-234-6000.
Robert Half corporate media contact
978-252-2121
Current contact: Matthew Croteau.
Protiviti does not publish one universal applicant HR number.
https://www.protiviti.com/us-en/careers
Not applicable.
The most direct corporate route is 650-234-6000. Because Protiviti is a consulting business rather than a consumer retailer, callers should be ready to explain whether the inquiry concerns a prospective engagement, existing client project, careers, privacy, legal matters, media, or another corporate function. Existing clients will generally receive faster service by contacting their engagement partner, managing director, project lead, or account team directly.
For prospective business inquiries, Protiviti’s official Connect With Us form is often the most appropriate route because it can direct the inquiry to the relevant solution, industry, or geographic team. Privacy questions can be sent to privacy@protiviti.com, while job seekers should use Protiviti’s careers platform instead of contacting client-service teams.
If a business matter remains unresolved, document the engagement name, office, project leader, contract or statement of work, dates, invoices, and previous communications before requesting management review. This makes it easier for Protiviti to route the matter to the appropriate senior leader, legal department, finance team, or corporate function.
Complaints involving consulting services, project delivery, billing, professional conduct, privacy, website use, recruiting, or contractual performance should be supported with the relevant engagement documents, invoices, correspondence, names of Protiviti personnel involved, dates, and a clear explanation of the requested resolution.
Protiviti does not maintain a conventional consumer Customer Service department, so begin with the consultant, project manager, managing director, recruiter, or other Protiviti representative connected with the issue. For general routing, call 650-234-6000. Explain the concern clearly and provide engagement, office, or project information so it reaches the correct team.
If the complaint concerns privacy, use privacy@protiviti.com. Recruiting complaints should be directed through Protiviti’s recruiting team, billing matters through the engagement or finance contact, and legal concerns through the appropriate corporate legal channel. Using the specialized department avoids delays that can occur when a business complaint is sent to an unrelated office.
If the initial contact does not resolve the concern, ask for review by the engagement Managing Director, office leadership, solution leader, or other senior management representative. Provide a concise timeline showing what occurred, who has already been contacted, and what contractual or service issue remains unresolved.
Create a documented written complaint using Protiviti’s official contact form or written correspondence. Include the client organization, relevant Protiviti office, engagement details, dates, prior responses, and the resolution requested. Written documentation is particularly important for professional-services, billing, privacy, or contractual disputes.
Serious unresolved matters can be sent to Protiviti Inc., 2884 Sand Hill Road, Suite 200, Menlo Park, CA 94025. Mark the letter for the appropriate department, such as Legal, Privacy, Finance, or Executive Management. Send copies rather than original documents and retain proof of delivery.
Privacy complaints should use Protiviti’s Privacy Office. Legal or intellectual-property matters can be directed to the Legal Department at the Menlo Park headquarters. Contractual disputes should also be reviewed against the governing engagement agreement because negotiated dispute procedures may apply.
The correct regulator depends on the issue. Privacy matters may fall under state, federal, or international data-protection authorities. Professional-services or securities-related concerns may involve other regulators depending on the engagement and services provided. Protiviti itself is not a public accounting firm and does not issue financial-statement audit opinions, so the appropriate regulator should be chosen based on the actual service involved.
Most Protiviti engagements are business-to-business rather than ordinary consumer transactions. Where a complaint involves an individual consumer, applicable state consumer-protection authorities may be available. Corporate clients should normally rely first on contractual escalation, procurement, finance, legal, or mediation procedures agreed in the engagement documents.
If a material contractual dispute remains unresolved, review the engagement agreement and applicable legal terms before pursuing mediation, arbitration, or litigation. Protiviti’s website Terms specify California law and courts for certain website-related matters, but client consulting agreements may contain separate dispute-resolution provisions that control the business relationship.
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