TOP 25 ECONOMIC CONSULTING FIRMS: HIRE EXPERT WITNESSES & TESTIMONY CONSULTANTS

Top 25 economic consulting firms for expert witnesses, economists and testimony consultants operate at the intersection of law, business, and public policy. In an era defined by global markets, regulatory complexity, data abundance, and heightened litigation risk, organizations increasingly rely on global Top 25 economic consulting firms to translate theory into practical insight. Whether assessing damages in billion-dollar disputes, evaluating antitrust risk, forecasting market behavior, or shaping regulatory policy, consultants provide analytical clarity where stakes are highest.

Versus traditional management consultancy work, Top 25 economic consulting firms note that the practice is rooted in rigorous quantitative analysis, econometrics, and applied economic theory. Companies offering expert witness testimony consultants support litigation and arbitration, advise governments and regulators, assist corporations in strategic decision-making, and provide expert testimony in courts around the world. And of course best Top 25 economic consulting firms professionals include PhD economists, former regulators, academic leaders, and industry specialists capable of explaining detailed concepts in clear, defensible terms.

We look at companies that others have recognized for their influence, intellectual rigor, litigation presence, and global impact. That said, as you review Top 25 economic consulting firms (listed in no particular order below) it’s important to do your own research, noting that results and criteria may vary. 

1. Analysis Group

Widely regarded as one of the most noted Top 25 economic consulting firms, particularly in litigation and regulatory matters. Its economists frequently testify in antitrust, healthcare, finance, and intellectual property cases.

2. Cornerstone Research

Known for its work in financial and economic analysis, Cornerstone Research is a provider in securities litigation, valuation disputes, and corporate matters.

3. NERA Economic Consulting

Applies economic theory to legal, regulatory, and strategic challenges. The Top 25 economic consulting firms list option has a strong international presence and is frequently retained in antitrust, competition, and policy-related disputes.

4. Charles River Associates (CRA)

CRA provides economic, financial, and management consulting across industries, with expertise in competition, life sciences, energy, and financial services.

5. The Brattle Group

The Brattle Group specializes in economic analysis related to antitrust, intellectual property, energy, and regulatory litigation, working on high-profile global matters.

Multidisciplinary and Global Firms

6. Berkeley Research Group (BRG)

Combines economic consulting with forensic accounting and dispute advisory services, supporting clients in litigation, investigations, and regulatory matters.

7. FTI Consulting

Offers economic and financial analysis within a broader advisory platform, frequently engaged in disputes, restructuring, and regulatory investigations.

8. Oxera

A European-based economic consultancy, particularly noted in competition policy, regulation, and public policy advisory work.

9. Compass Lexecon

Known for its work in antitrust, competition economics, and damages analysis, with economists frequently serving as expert witnesses in major cases.

10. KPMG Economics

As part of a global professional services firm, KPMG Economics delivers economic analysis for regulatory, competition, and policy-related engagements.

Specialized and Boutique Economic Consultancies

11. Bates White Economic Consulting

Focuses on antitrust, competition policy, and litigation support, with a reputation for methodological rigor.

12. BCG

Has a long-standing reputation in competition economics, intellectual property valuation, and securities litigation.

13. RBB Economics

A competition-focused consultancy with strong capabilities in merger analysis and regulatory proceedings.

14. Fideres

Specializes in financial and competition litigation, supporting collective actions and large-scale damages claims.

15. Keystone Strategy

Blends economic analysis with business strategy, supporting both litigation and corporate decision-making.

Emerging and Policy-Oriented Firms

16. NDP Analytics

Focuses on energy markets, environmental economics, and regulatory analysis, particularly in highly regulated industries.

17. White & Case Consulting

This type of consultancy operates closely with legal teams, providing economic insight tailored to international disputes.

18. Econ One Research

Econ One provides economic and financial analysis across energy, construction, and commercial disputes.

19. Martello

Supports litigation with applied economics, damages analysis, and expert testimony services.

20. EconLit Research

This category of firm focuses on applied research, economic modeling, and expert support for litigation and policy matters.

Industry-Specific Economic Experts

21. E3

A specialized consultancy in the energy and utilities category that advises on pricing, regulation, and market design within energy and utility sectors.

22. Bain

Covers among other areas healthcare reimbursement, market access, and regulatory economics in the medical and pharmaceutical industries.

23. Econic Partners

Focused on intellectual property valuation, technology licensing disputes, and innovation economics.

24. Econ One

Provides analysis for infrastructure projects, public-private partnerships, and regulatory approvals.

25. Edgeworth

Advises governments and international organizations on policy design, economic impact, and regulation.

International Top 25 economic consulting firms aid in driving legal outcomes, business strategy, and public policy. Influence extends far past spreadsheets and models; expert witnesses and consultants help courts understand advanced markets, guide regulators through policy trade-offs, and support corporations facing critical decisions.

As litigation becomes more data-driven and regulatory scrutiny intensifies, economic consulting firms will remain leading partners bringing clarity, credibility, and intellectual rigor to the most consequential challenges in law, business, and governance.