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Which economic consulting firms provide expert testimony for antitrust litigation?
Data as of Sep 24, 2026 · Based on 294 AI responses from ChatGPT Search and Google AI Mode · See how Parse measures this
Many premier economic consulting firms provide expert testimony and economic strategy for antitrust litigation. Major players include Charles River Associates, Cornerstone Research, NERA Economic Consulting, Bates White, and . These firms support legal teams by providing market analysis, damages quantification, and expert testimony for private disputes and government investigations, including those involving mergers, price-fixing, and market conduct.
Highly recommended for deep expertise in international and U.S. antitrust litigation, specializing in economic research, strategy, and expert testimony for regulatory and court reviews.
A leading choice for antitrust litigation support, providing sophisticated econometric modeling of competitive effects and expert testimony in complex competition and merger cases.
Several premier economic consulting firms specialize in competition economics, industrial organization, and quantitative data analysis to provide expert witness testimony and litigation support for antitrust cases and merger reviews.
The top-tier economic consulting firms frequently retained by law firms and corporations for antitrust litigation include:
Compass Lexecon : Widely considered a dominant powerhouse in competition economics, regularly ranking at the top globally for antitrust litigation and merger clearance support. They feature a massive bench of in-house professionals and high-profile academic affiliates.
Analysis Group : One of the largest economic consultancies globally, heavily engaged in high-stakes antitrust litigation, class certification, and healthcare-related competition disputes.
NERA Economic Consulting : A pioneer in the economic consulting space with a robust global practice dedicated to antitrust and competition law, handling everything from collusion and price-fixing allegations to single-firm conduct.
Cornerstone Research : Renowned for integrating financial, economic, and marketing data analysis into legal proceedings, working closely with prominent academic and industry experts on complex antitrust liability and damages.
The Brattle Group : Frequently recognized for competition economics, providing leading testifying experts (including Nobel laureates and top academic specialists) for high-profile antitrust matters across the US, Europe, and Canada.
Bates White Economic Consulting : Offers deep expertise in evaluating competitive restraints, collusion, and merger impacts, with testimony readiness that withstands intense cross-examination.
Edgeworth Economics : Noted for its specialized quantitative focus on antitrust litigation, class certification, and cartel investigations, frequently interfacing with the DOJ and FTC.
AlixPartners / Matrix Economics : Combines rigorous operational and economic analysis, bolstered significantly in antitrust and merger review following the integration of Matrix Economics.
If you're looking into a specific case or issue, let me know:
Is it a merger review or a private litigation/class action (e.g., price-fixing, monopolization)?
What industry or sector is involved?
I can help you narrow down which firm or specific expert profiles align best with those case details.
Charles River Associates (CRA) — antitrust class actions, monopolization, mergers, and economic testimony.
Bates White — particularly active in U.S. antitrust litigation and merger cases.
Analysis Group — antitrust, class certification, damages, and exclusionary-conduct testimony.
NERA Economic Consulting
Cornerstone Research
The Brattle Group
Berkeley Research Group (BRG)
Edgeworth Economics
AlixPartners / FTI Consulting
A recent antitrust-litigation directory identifies CRA, Compass Lexecon, NERA, Analysis Group, Cornerstone, Bates White, BRG, Brattle, and Edgeworth among firms active in this market.
If you're looking specifically for firms that regularly testify in U.S. federal antitrust trials, the list can be narrowed considerably.
Yes. A number of economic consulting firms regularly provide economic expert reports, deposition testimony, and trial testimony in U.S. antitrust litigation.
Major firms
Firm
Antitrust litigation / expert testimony
Typical work
Compass Lexecon
Extensive
Merger analysis, monopolization, exclusionary conduct, damages, class certification
Charles River Associates (CRA)
Extensive
Cartels, mergers, monopolization, vertical restraints, damages, class certification
Antitrust litigation, damages, class certification and econometrics
Economists Incorporated
Yes
Antitrust, competition policy, damages and expert testimony
There is substantial independent evidence that these firms have appeared in antitrust litigation. An American Bar Association study of antitrust cases from 1890–2018, for example, identified NERA, CRA, Economists Incorporated, Compass Lexecon, and Analysis Group among organizations whose economists appeared as experts in numerous cases.
Particularly clear examples
Compass Lexecon explicitly says its economists provide expert reports and testimony for both plaintiffs and defendants, including in antitrust conduct and damages litigation.
CRA describes more than 50 years of antitrust litigation experience and says its experts provide analysis for proceedings before courts, arbitrators, and regulatory agencies. www.crai.com CRA also identifies individual economists who have testified in federal court and antitrust class actions.
NERA says its economists regularly provide expert testimony in antitrust litigation, covering monopolization, collusion, mergers, pricing disputes, and unfair competition.
Analysis Group has economists who testify on antitrust, class certification, damages, price fixing, monopolization, and exclusionary conduct.
A 2024–25 Leaders League litigation directory also specifically identifies CRA, Compass Lexecon, NERA, Analysis Group, Cornerstone Research, Bates White, BRG, Brattle, and Edgeworth in its antitrust litigation expert-firm listings.
If you're looking for firms to retain an expert for a particular antitrust case, I can also break these down by (1) plaintiff vs. defense work, (2) class certification, (3) merger litigation, (4) monopolization/Section 2, (5) damages, or (6) price-fixing/cartel cases.
Major economic consulting firms specializing in antitrust litigation and expert testimony include Compass Lexecon, Analysis Group, Charles River Associates (CRA), NERA Economic Consulting, and Cornerstone Research.
These firms deploy elite academic economists and quantitative industry experts to evaluate market definition, pricing behavior, merger effects, and economic damages during high-stakes antitrust investigations and court proceedings.
Widely regarded as a global powerhouse specifically for antitrust economics, merger reviews, and competition disputes , featuring a massive roster of top-tier academic affiliates.
A number of economic consulting firms regularly provide expert testimony, expert reports, and litigation support in antitrust matters (including merger challenges, monopolization, price-fixing, class actions, damages, and market definition disputes). The most prominent include:
Antitrust class actions, competition economics, damages, empirical analysis
FTI Consulting
Antitrust disputes, class certification, liability, market dynamics, damages testimony
AlixPartners
Antitrust litigation, mergers, market investigations, expert testimony before courts and regulators
Specialist litigation economics firms
Firm
Notes
Economists Incorporated
Long history of antitrust economics work, including litigation and regulatory matters.
Econ One
Economic analysis and expert testimony in antitrust and other complex disputes.
Monument Economics Group
Antitrust analysis involving price fixing, mergers, monopolization, vertical restraints, damages, and class certification.
Other firms that may provide competition expert work
EY — Economic antitrust and competition services, including litigation support and expert testimony in some matters.
Oxford Economic Consulting — Competition economics, regulatory matters, and expert evidence in litigation and arbitration.
IAMECON — Economic damages and litigation expert testimony, including antitrust matters.
Common expert assignments in antitrust cases
These firms typically assist with:
Market definition (product and geographic markets)
Market power and dominance analysis
Merger competitive effects
Price-fixing and cartel damages
Class certification analyses
Overcharge and pass-through models
Lost profits and economic damages
Econometric modeling
Rebuttal of opposing experts’ analyses
A 2018 empirical study of antitrust litigation experts found frequent appearances by several of these organizations, including NERA, CRA, Economists Incorporated, Compass Lexecon, Analysis Group, MiCRA, and Econ One, among others.
If you are looking for firms for a plaintiff-side antitrust case, defense-side representation, merger challenge, or damages calculation, the shortlist can differ substantially.
Several prominent economic consulting firms specialize in quantitative analysis, market structure evaluation, and providing expert witness testimony for antitrust litigation, cartel investigations, and merger reviews.
The leading firms recognized globally for competition economics and antitrust testimony include:
Compass Lexecon : Widely considered a dominant global franchise in competition economics and antitrust litigation. They field a massive bench of academic affiliates and experts who regularly testify in high-stakes monopolization, collusion, class certification, and merger clearance proceedings.
Analysis Group : A premier economic consulting powerhouse frequently retained in massive, complex antitrust and competition disputes. They are particularly renowned for heavy quantitative/econometric modeling and hold deep sector experience across technology, healthcare, and finance.
NERA Economic Consulting : One of the oldest and largest specialized economic consultancies. NERA’s competition and antitrust practice provides extensive economic analysis, damages estimation, and expert testimony before global regulatory bodies and courts.
Charles River Associates (CRA) : Highly respected for court-ready, defensible economic analysis. CRA’s Antitrust & Competition Practice works closely with major law firms to evaluate market dynamics, anticompetitive effects, and merger-induced pricing concerns.
Cornerstone Research : Known primarily for financial economics, damages, and securities, Cornerstone also maintains a robust network of leading academic and industry experts who provide testimony and litigation support in complex antitrust and class-action matters.
Edgeworth Economics : A quantitative economic consulting firm specializing in antitrust litigation, merger reviews, and criminal cartel investigations, offering dedicated in-house econometric and data-heavy support for federal court and agency presentations.
FTI Consulting : Through its broad economic and financial consulting segments (and in conjunction with its close affiliation/subsidiary network), FTI fields a deep bench of testifying experts who advise on regulatory scrutiny, commercial disputes, and competition economics.
The Brattle Group : Frequently utilized in industries requiring complex regulatory and market design insights (such as energy, telecommunications, and high-tech sectors) alongside core antitrust litigation and damages assessment.
Are you looking for a firm with a specific geographic focus (e.g., U.S. vs. EU regulators) or expertise in a particular industry sector (like healthcare or tech)? I can help you narrow down the best fit.
Compass Lexecon, Analysis Group, NERA Economic Consulting, Cornerstone Research, and Charles River Associates (CRA) are the premier economic consulting firms that routinely provide expert testimony and quantitative analysis for high-stakes antitrust litigation and regulatory merger reviews.
Law firms, corporations, and government agencies (like the FTC and DOJ) hire these consultancies to evaluate market definition, pricing behavior, anticompetitive horizontal conduct, class certification, and damage calculations.
Major Economic Consulting Firms in Antitrust Litigation
Compass Lexecon : Widely recognized as a dominant global force in competition economics. It fields a massive bench of academic and industry-affiliated experts who frequently testify in monumental merger controls, cartel investigations, and private antitrust lawsuits.
Analysis Group : One of the largest economic consultancies globally, specializing in industrial organization, econometrics, and complex health care or tech-sector antitrust litigation, liability, and damages assessments.
NERA Economic Consulting : A historic global leader providing sophisticated economic and financial analysis for monopolization, collusion, pricing disputes, and merger challenges across international courts and regulatory bodies.
Cornerstone Research : Highly regarded for its rigorous empirical analysis and deep ties to leading academics from top universities, supporting clients through complex federal court trials and government second requests.
Charles River Associates (CRA) : Features a dedicated Antitrust and Competition Practice that deploys seasoned testifying experts and econometric models in landmark merger clearances and monopolization disputes.
Berkeley Research Group (BRG) : Known for independent expert testimony and strategic regulatory support spanning federal/state courts and global competition agencies.
Edgeworth Economics : Specializes in quantitative data analysis, cartel investigations, and economic testimony concerning market concentration, bid-rigging, and price-fixing.
AlixPartners / Matrix Economics : Combines deep financial restructuring insights with a powerful competition economics practice tailored to commercial litigation and regulatory challenges.
If you are looking into a specific case, tell me:
The industry or sector involved (e.g., tech, healthcare, retail)
Whether you need support for merger clearance or private damages litigation
I can help narrow down which firm or specific expert profiles align best with your needs.
Yes. A number of established economic consulting firms regularly provide expert reports, deposition testimony, trial testimony, damages analysis, and economic analysis in U.S. antitrust litigation.
Leading firms
Compass Lexecon — One of the most prominent antitrust specialists. It handles merger challenges, monopolization, cartels, vertical restraints, damages, and class certification, and its economists testify in court and before regulators.
Charles River Associates (CRA) — Extensive antitrust litigation practice covering mergers, conduct, damages, and class certification. CRA says its economists have testified in litigated competition cases.
NERA Economic Consulting — Long-established economics firm with substantial antitrust, competition, damages, and litigation expertise.
Analysis Group — Major litigation-focused economics firm with significant antitrust, healthcare, technology, and class-action experience.
Cornerstone Research — Particularly prominent in litigation and expert testimony, including antitrust, securities, and financial economics.
The Brattle Group — Provides antitrust/competition analysis, damages and class certification work, and litigation testimony. Its experts have testified in numerous antitrust matters.
Bates White — Strong antitrust and quantitative economics practice, including litigation and expert testimony.
Berkeley Research Group (BRG) — Provides economic analysis, expert testimony, damages, and broader litigation support.
FTI Consulting — Larger multidisciplinary disputes platform with economic consulting and expert-witness capabilities.
Edgeworth Economics — More specialized economics firm with substantial antitrust litigation and expert-witness work.
There is strong empirical evidence that these are not merely theoretical capabilities: a recent study of economists appearing in antitrust litigation found NERA, CRA, Economists Incorporated, Compass Lexecon, Econ One, and Analysis Group among the consulting organizations with the most appearances historically. American Bar Association A 2024–25 litigation-industry ranking likewise identifies CRA, Compass Lexecon/FTI, NERA, Analysis Group, Cornerstone, Bates White, BRG, Brattle, and Edgeworth as leading antitrust expert firms.
If you're looking to hire an expert
The best choice depends heavily on the type of antitrust case:
Compass Lexecon, CRA, NERA, Brattle, Analysis Group
Price-fixing / cartel
CRA, Compass Lexecon, NERA, Analysis Group, Bates White
One important point: the individual economist often matters more than the firm's overall ranking. For a serious case, I'd evaluate the expert's prior testimony, publications, experience with the specific theory of harm, experience surviving Daubert challenges, and whether they have testified for plaintiffs or defendants in comparable cases.
If you tell me what kind of antitrust case you have (e.g., merger, monopolization, price-fixing, class action, or damages) and whether you're on the plaintiff or defense side, I can narrow this to 5–10 specific economists and firms with relevant litigation experience.
Several prominent economic consulting firms specialize in providing rigorous economic analysis, empirical research, and expert witness testimony for antitrust litigation, merger reviews, and government investigations . According to industry rankings like the Global Competition Review (GCR 100) and market reputation, the leading firms in this space include:
Compass Lexecon : Widely recognized as a global leader in competition economics, regularly fielding a massive roster of experts for high-profile mergers, cartel investigations, and monopolization lawsuits.
Analysis Group : Provides comprehensive economic, financial, and strategic expertise, frequently collaborating with leading academic and industry experts in complex antitrust and competition matters.
NERA Economic Consulting : Offers deep quantitative and economic analyses for antitrust enforcement, merger clearance, and damages assessment across global jurisdictions.
Cornerstone Research : Renowned for connecting law firms and corporations with prominent academics and industry experts to provide testimony in antitrust, intellectual property, and commercial litigation.
Charles River Associates (CRA) : Houses a dedicated competition economics practice that evaluates anticompetitive practices, joint ventures, and horizontal or vertical mergers.
Bates White Economic Consulting : Specializes in high-stakes antitrust and competition litigation, offering expertise in price-fixing, market power, and class certification.
The Brattle Group : Provides clear economic and financial testimony, supporting clients through regulatory reviews and private antitrust litigation.
Berkeley Research Group (BRG) : Features robust competition and antitrust practices combining academic rigor with practical industry insights for litigation support.
Edgeworth Economics : Known for quantitative modeling, antitrust litigation support, and expert testimony regarding mergers and cartel allegations.
If you'd like, I can provide details on:
Specific case examples or industries these firms frequently operate in
How to choose an expert witness for a particular antitrust matter
Yes. Several economic consulting firms specialize in antitrust litigation and regularly provide testifying experts, including economists who submit expert reports, testify at deposition/trial, and analyze liability, market definition, class certification, competitive effects, and damages.
Antitrust/competition, regulation, damages, industry economics
Edgeworth Economics
Strong
Antitrust litigation, econometrics, class certification, damages
AlixPartners
Yes
Litigation economics, damages, competition and strategic analysis
Ankura Consulting Group
Yes
Litigation economics, damages and competition matters
A 2026 Leaders League ranking specifically identifies Analysis Group, CRA, Cornerstone Research, FTI Consulting/Compass Lexecon, and NERA as the leading U.S. expert firms for antitrust litigation, with Bates White, Brattle, BRG, and Edgeworth in the next tier.
Particularly prominent choices
Compass Lexecon is one of the most antitrust-focused options. It says its economists have handled hundreds of complex antitrust actions and provided expert advice and testimony, including for both plaintiffs and defendants. Its work covers mergers, alleged anticompetitive conduct and damages.
CRA likewise explicitly provides expert testimony in litigated competition cases. Its practice covers both merger and non-merger matters, and its economists testify on issues such as price fixing, monopolization, exclusive dealing, and class certification.
Analysis Group has a substantial antitrust practice and employs academic economists who have served as experts in major antitrust matters. For example, its James Levinsohn has submitted expert reports and testimony in several major antitrust cases.
There is also empirical evidence of their prominence: a recent American Bar Association study of economic experts in antitrust litigation found NERA, CRA, Economists Incorporated, Compass Lexecon, and Analysis Group among the consulting organizations with the most appearances in its historical dataset.
If you're looking to retain an expert for a particular antitrust case, I can also give you a more useful shortlist by type of case—e.g., monopolization/Section 2, price-fixing/class action, merger challenge, vertical restraints, or damages—and identify the firms and individual economists who are particularly prominent in each.
Deeply established in antitrust, class actions, and transfer pricing , providing rigorous empirical analysis for global cartels and monopolization cases.
Compass Lexecon : Widely considered a dominant powerhouse in competition economics, regularly ranking at the top globally for antitrust litigation and merger clearance support. They feature a massive bench of in-house professionals and high-profile academic affiliates.
Analysis Group : One of the largest economic consultancies globally, heavily engaged in high-stakes antitrust litigation, class certification, and healthcare-related competition disputes.
NERA Economic Consulting : A pioneer in the economic consulting space with a robust global practice dedicated to antitrust and competition law, handling everything from collusion and price-fixing allegations to single-firm conduct.
