Diamond Bar

Duff & Phelps Is Becoming Kroll

For nearly 100 years, Duff & Phelps has helped clients make confident decisions in the areas of valuation, real estate, taxation and transfer pricing, disputes, M&A advisory and other corporate transactions. Duff & Phelps is a Kroll business.

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Gateway Corporate Center
21700 Copley Dr. suite 188
Diamond Bar, CA 91765

AREAS WE CAN HELP

Kroll Cyber Risk

Kroll's award-winning cyber experts can help clients in every step of the way toward cyber resilience.

Kroll Cyber Risk

Valuation Advisory

Valuation and consulting for financial reporting; federal, state and local tax; investment; and risk management purposes.

Valuation Advisory

Kroll Business Intelligence and Investigations

Providing clients with global investigative expertise to help make critical decisions and mitigate risk.

Kroll Business Intelligence and Investigations

Kroll Business Services

The global leader in complex claims administration and legal and business solutions.

Kroll Business Services

Corporate Finance

Comprehensive support throughout mergers and acquisitions and other corporate transactions.

Corporate Finance

Financial Services Compliance and Regulation

Local and global compliance expertise for the financial services industry.

Financial Services Compliance and Regulation

Kroll Compliance Risk and Diligence

Helping firms comply with anti-money laundering and anti-bribery and corruption regulations.

Kroll Compliance Risk and Diligence

Kroll Security Risk Management

Helping clients anticipate/respond to a myriad of facility, operational, and employee safety challenges.

Kroll Security Risk Management

Contact Us

Abner Guzmán Rivera

Senior Director - Artificial Intelligence
Government Solutions

Diamond Bar

Abner Guzmán Rivera

John Lew

Senior Director - System Production
Government Solutions

Diamond Bar

John Lew

Trending Client Concerns

Valuation and Asset Impairment

Determinations of fair value of investments, assets and complex securities for tax and financial reporting.

Valuation and Asset Impairment

Restructuring and Insolvency

Expert advice for clients needing to reorganize and restructure operations to maximize potential.

Restructuring and Insolvency

Crisis Management and Supply Chain

Full range of crisis management, business continuity and supply chain due diligence solutions.

Crisis Management and Supply Chain

Kroll COVID-19 Heat Map

An interactive view of the evolving social and economic impact of the coronavirus pandemic spanning multiple geographies and sectors.

Kroll COVID-19 Heat Map

M&A Advisory

European Chemicals Update – Q2 2021

M&A Advisory

COVID-19 Resource Center

Featured Insights

Valuation

2021 Study of Professional Golfers’ Future Career Value

Valuation

M&A Advisory

European Chemicals Update – Q2 2021

M&A Advisory

Valuation

Industry Multiples in India Quarterly Report – 14th Edition

Valuation

M&A Advisory

Brazil Transactions Insights – Summer 2021

M&A Advisory

See all insights

Featured Videos

Learn the Best Practices in Fund Operations 

Due Diligence Insights

Learn the Best Practices in Fund Operations

Statistical Tools to Evaluate COVID-19's Impact on CPM/TNMM Comparable Company Benchmarks

Transfer Pricing Audit Readiness

Statistical Tools to Evaluate COVID-19's Impact on CPM/TNMM Comparable Company Benchmarks

2021 Security Trends

Security Risk Management

2021 Security Trends

Corporate Finance Year-End Review 2020

Corporate Finance Accomplishments

Corporate Finance Year-End Review 2020

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FEATURED NEWS

M&A Advisory

European Chemicals Update – Q2 2021

M&A Advisory

Valuation

Industry Multiples in India Quarterly Report – 14th Edition

Valuation

M&A Advisory

Brazil Transactions Insights – Summer 2021

M&A Advisory

Valuation

Oil and Gas Upstream M&A Outlook Brief

Valuation

Insurance Valuation TODAY – July 2021

Valuation

M&A Advisory

Israel Capital Markets – Early Summer 2021

M&A Advisory

Learn more about Kroll Institute