United States

HKA is a leading expert witness and litigation support consultancy, with practice areas in commercial damages, forensic accounting, digital forensics, government contracts, and construction.

With a substantial US footprint spanning the nation’s major 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 and companies, government agencies, federal contractors, owners, developers, insurers, and 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, government contracting advisory and expert services, construction claims, delay and disruption, and quantum, and forensic engineering, architectural and technical services. 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 and law firms throughout dispute lifecycles – from early risk assessment, compliance, and strategic advisory to expert testimony, litigation support and alternative dispute resolution.

Our United States services

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.

Construction advisory, claims management, and disputes management

HKA has one of the largest and most renowned construction practices in the United States and globally. With over half a century of construction dispute resolution experience and a multidisciplinary team of experts in delay, damages, standard of care, and forensic accounting, we support clients across public and private projects, from individual building, transportation infrastructure, and utility projects to large-scale capital programs. Our expertise spans all construction market sectors and is reinforced by our experience consulting on some of the world’s largest and most complex mega-projects.

We assist owners, contractors, developers, subcontractors, and legal teams with change management; dispute avoidance and mitigation;, claims evaluation, preparation, and defense; commercial strategy; and high-stakes litigation. Clients turn to us as a trusted advisor to help them assess, quantify, substantiate, and navigate claims involving scope changes, productivity impacts, disruption, acceleration, differing site conditions, cost overruns, schedule impacts, contractual entitlement, and other complex project matters. Uniquely positioned at the intersection of technical, commercial, and contractual expertise, HKA provides expert consulting support through the project lifecycle, helping clients navigate the full spectrum of construction challenges.

Government contracting

HKA government contracting experts understand the complex environments in which you operate, whether facing a dispute or in effectively delivering on your contracts. We find practical, cost-effective solutions to challenges faced by government contractors and their counsel. We respond decisively to your challenges, safeguard your eligibility reputation, and your bottom line.

Clients rely on HKA for end-to-end government contracting support, including:

Litigation support services

Bid protest assistance
Bribery and anti-corruption
Contract terminations
Insurance claims and disputes
Investigations (e.g., forensic accounting, False Claims Act, defective pricing, fraud)
Prime contractor and subcontractor disputes
Requests for Equitable Adjustment, Certified Claims, and Appeals of Contracting Officer’s final decision

Compliance, audit and advisory services

Business systems & internal controls
Business transformation support
Commercial pricing and federal supply schedule contracting (e.g. Price reduction)
Cost Accounting Standards, Cost Allowability (e.g., FAR Part 31), and Incurred Cost Submissions
Due diligence support
Government contract labor compliance
Government contract audit support
Grants management and administration
Indirect rate development and restructuring
New or emerging contractor support
NICRA development and negotiations
Policy and procedure development
Post-acquisition integration activities
Risk Assessments and government compliance frameworks
Uniform guidance consulting

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.