HKA is a leading global consultancy in risk mitigation and dispute resolution. With more than 1,000 experts, consultants and advisors based in 18 countries, we have unmatched multi-disciplinary expertise to help clients manage risk, disputes and uncertainty on the most complex contracts and challenging projects.


Our services

*HKA office, Düsseldorf”

Our services include risk mitigation and dispute resolution where our consultants and experts span the full range of disciplines including:

Claims and dispute resolution

Our claims and dispute resolution consultants investigate and analyse the cause and effect of events, prepare submissions and present cases. Our skills and experience are invaluable when analysing contractual entitlement and causation, and quantifying the effects in pursuing or defending claims. This thorough evaluation leads to the best solutions for our clients.

We provide:

  • Claims management
  • Claims governance
  • Claims & dispute avoidance
  • Commercial and contract management

Expert services

HKA has hundreds of experts with vast experience in every major industry sector and discipline. They have the commercial, financial, planning, scheduling, technical and language skills to get quickly to the heart of the most complex issues.

We provide:

Engineering & Construction: Quantum

  • Cost engineering and quantity surveying
  • Construction cost auditing
  • Assessment of damages, additional costs, loss and expense
  • Estimations and valuations
  • Evaluating change orders
  • Evaluation at termination
  • Forecast cost to completion

Engineering & Construction: Delay & Disruption

  • Productivity and extension of time
  • Delay analysis methodologies
  • Forecast cost to completion
  • Schedule analysis and audit programme sequencing

Engineering, Architectural & Technical

  • Liability
  • Design responsibility
  • Client scope
  • Performance issues
  • Risk
  • Professional responsibility
  • Design duties
  • Contractor duties
  • Material failure
  • Delay factors

Our clients

HKA works with contractors, legal firms and other professional service providers, as well as owners and operators, financial institutions and insurers.

We have a demonstrable track record in Germany and especially with our French clients, having worked for a wide range of clients across many sectors and industries including buildings, manufacturing and industrial, power and utilities, oil and gas, transportation infrastructure and technology.

Notable projects that HKA Germany has been involved with include:

  • Dispute resolution – Chemical manufacturer, Germany
  • Advisory and claims preparation – Contractor, Germany
  • Advisory, claims, contract and commercial management – Pharmaceutical manufacturer, Russia
  • Contract and commercial management – Materials manufacturer, Czech Republic
  • Contract and commercial management – Engineering consultancy, Germany
  • Contract and commercial management – Sewage incineration plant, Germany
  • Contract and commercial management – Chemical manufacturer, Ukraine
  • Commercial strategy & contract and commercial management – CCGT power plant, Germany

Our people consistently aim to anticipate the needs of our clients and provide them with high-value, innovative and quality services. Clients have access to leaders and problem-solvers who decode complexity through collaborative working and innovative thinking, making the best possible outcomes a reality for our clients, every time.


A multi-disciplinary approach to disputes

Whether providing expert advisory, expert determination or expert witness services, HKA occupies the unique, multi-disciplinary service that combines quantum, engineering, architecture and technical, delay, disruption, forensic accounting, damages, and government contracts analysis.



HKA’s integrated research programme, CRUX, draws on our unprecedented bank of knowledge to provide valuable insights into the most common causes of claims and disputes on engineering and construction projects where our experts have provided claims consulting and dispute resolution services on major capital projects across multiple sectors around the world.

Clients have access to a rich resource of major project data from hundreds of projects with a combined value exceeding trillions of dollars. All decision-makers on projects can profit from a clearer understanding of the recurring causes of claims and disputes.

Download your copy of CRUX on our website.


Professional standing and recognition

HKA has consolidated its position as the world’s leading consultancy in risk mitigation and dispute resolution.

In the 2022 global Who’s Who Legal (WWL) analysis of expert witnesses in construction, HKA again emerges as the top firm. For the sixth successive year, HKA has more expert witnesses commended by the marketplace for their exceptional work across the construction industry than any other consultancy worldwide.

The WWL Construction – Expert Witnesses 2022 analysis involves months of research, canvassing and evaluating the opinions of law firm clients and construction experts from around the world. It is an authoritative international guide to expert advisers and witnesses on quantum, delay and disruption, and damages, as well as forensic technical issues in major construction arbitration and litigation.

HKA remains the foremost firm in its field, with a world-leading 46 experts, including eight future leaders, drawn from its offices in America, Europe, the Middle East, Asia, and Oceania.


We consistently rank highly in Global Arbitration Review (GAR) 100 Expert Witness Power Index and are the largest corporate providers to The Academy of Experts.

Carsten Orlowski


Location: Düsseldorf, Deutschland

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