United States

HKA is a leading provider of commercial damages, forensic accounting, economic analysis, valuation, and expert witness services, helping law firms, corporations, government agencies, and insurers resolve high-stakes business disputes and complex litigation.

With a substantial US footprint spanning the nation’s major legal, commercial, technology, energy, construction, and government contracting markets, HKA combines deep local expertise with the strength of a global network of experts to help clients manage risk, resolve disputes and protect value on complex projects and commercial matters.

What differentiates HKA is the breadth of its expert-led platform. Our multidisciplinary teams include commercial damages experts, forensic accountants, economists, valuation professionals, intellectual property specialists, engineers, construction experts, government contracting specialists, investigators, and testifying experts, delivering integrated solutions across complex commercial disputes from multiple perspectives.

Law firms, multinational corporations, government agencies, federal contractors, owners, developers, insurers, financial institutions rely on HKA for independent analysis, expert reports, and testimony in matters involving commercial damages, lost profits, breach of contract, business valuation, shareholder and post-acquisition disputes, intellectual property damages, forensic accounting, fraud investigations, class actions, antitrust, international arbitration, construction claims, delay and disruption, quantum and government contracts. Our experts are regularly retained in some of the most significant and high-value disputes before federal and state courts, arbitration panels, and regulatory tribunals.

HKA serves clients across many of the United States’ most important industries including technology, aerospace and defence, construction and infrastructure, government contracts, data centers, energy, oil and gas, power and utilities, healthcare and life sciences, financial services, manufacturing, transportation, sports and entertainment, real estate and regulated utilities. We support clients throughout dispute lifecycles – from early risk assessment, compliance, and strategic advisory to expert reports, deposition and trial testimony, settlement negotiations, arbitration and litigation.

Our United States services

Construction advisory, claims management, and disputes management

HKA is widely recognised for its construction claims, capital projects advisory, and dispute management expertise, supporting clients throughout the lifecycle of major projects and programs. Our specialists assist owners, contractors, subcontractors and legal teams with contract administration, change management, dispute avoidance, claims preparation and defense, commercial strategy, and the resolution of complex contractual and project-related issues. We help clients identify, evaluate, quantify and resolve claims relating to scope change, productivity, disruption, acceleration, differing site conditions, cost overruns, schedule impacts and contractual entitlement.

Federal and state government contracting

HKA has an independently recognized Government Contracting practice. Our government contracting professionals help contractors navigate complex federal and state procurement environments, supporting clients with FAR, CAS, DFARS and Uniform Guidance compliance; government audits; incurred cost submissions; indirect rate structures; business systems; internal controls; commercial pricing; federal supply schedule contracting; bid protests; requests for equitable adjustment (REAs); certified claims; contract terminations; False Claims Act matters; defective pricing; fraud investigations; prime and subcontractor disputes; and appeals of contracting officers’ final decisions.

Forensic accounting, economic damages, and investigations

HKA has a highly regarded forensic accounting and commercial damages practice. Our experts advise on economic damages, business valuation, lost profits, breach of contract, shareholder disputes, post-acquisition disputes, fraud, accounting irregularities, bribery and corruption, M&A disputes, investor-state disputes, intellectual property damages, antitrust, class actions, labor and employment matters, white-collar crime, and financial investigations.

Intellectual property

HKA’s intellectual property practice is trusted by leading law firms, multinational corporations, and in-house counsel to deliver independent expert testimony, intellectual property valuation, and economic damages analyses in high-stakes patent, trade secret, copyright, trademark, and licensing disputes. Our experts combine deep financial expertise, industry knowledge and litigation-tested methodologies to develop clear, robust, defensible opinions that withstand scrutiny through discovery, deposition, trial, and international arbitration.

We help clients quantify complex economic issues involving patent infringement, reasonable royalties, lost profits, FRAND and SEP licensing, trade secret misappropriation, copyright and trademark damages, technology valuation, and breach of licensing and/or technology agreements. Our analyses are grounded in credible economic principles, supported by rigorous financial modelling, and presented in a clear, persuasive manner that assists courts, juries, arbitrators, and decision-makers in understanding complex damages issues.

HKA’s experts have played leading roles in many significant intellectual property disputes over the past three decades, advising clients across technology, semiconductors, artificial intelligence, telecommunications, software, sports and entertainment, healthcare, life sciences, consumer goods, and other innovation-driven industries. Whether serving in consulting capacity or as testifying expert witnesses, we help clients protect the value of their intellectual property, navigate complex licensing and valuation issues, and achieve successful outcomes in litigation, arbitration and other high-value commercial disputes.

Digital forensics, data analytics, and cybersecurity

Our team of experts specializes in preserving, uncovering, analyzing, and reporting on digital evidence across a wide range of platforms and devices. With deep expertise in forensic investigations, cybersecurity, data privacy, and regulatory compliance, we provide clients with the insights and solutions needed to tackle digital challenges.

HKA has continued to strengthen its US capabilities through strategic investment and the addition of leading practitioners, further strengthening our expertise across construction claims, government contracting, forensic accounting, commercial damages, intellectual property, fraud investigations, digital forensics, cybersecurity, and litigation support.

Recognized globally for excellence in expert witness and dispute resolution services, HKA can quickly mobilize a multidisciplinary team of market-leading specialists to help clients address the most complex and contentious project disputes, commercial challenges, and compliance issues.