About Us

HKA is the world’s leading consultancy of choice for multi-disciplinary expert and specialist services in risk mitigation and dispute resolution within the capital projects and infrastructure sector.

We also have particular experience advising clients on the economic impact of commercial and investment treaty disputes and in forensic accounting matters.

In addition, HKA supports companies that conduct business with the US Federal Government, providing them with consulting services on complex government contracting matters.

We bring a proud record of excellent service and high achievement – established over more than 40 years – to bear on today’s challenges. As trusted independent consultants, experts and advisers, we deliver solutions amid uncertainty, dispute and overrun, and provide the insights that make the best possible outcomes a reality for public and private sector clients worldwide.

Clients have access to proven leaders and problem-solvers who decode complexity through collaborative working and innovative thinking.

As well as more than 500 expert witnesses, HKA now has in excess of 500 advisors and consultants – across 40+ offices in 17 countries – with the skills and experience that are essential to get to the heart of even the most complex issues.

Our people have vast first-hand experience spanning all major industries and the world’s most complex megaprojects, as well as an international track record of achieving successful outcomes.

HKA’s global portfolio includes prestigious projects on every continent and in market sectors that include buildings, industrial, infrastructure, oil and gas, power and utilities, and technology.

Our forensic accounting and commercial damages teams specialise in areas such as valuations, economic damages, investigations, bankruptcy and intellectual property.

HKA experts’ experience in government contracting is profound and covers contract disputes, investigating allegations of false claims and defective pricing, compliance reviews and audit services as well as other tailored support.


Hancox & Partners

The Cadogans story began in 1970. A. L. Hancox founded Hancox & Partners, a mechanical and electrical (M&E) practice designing and installing hospital boilers and chimneys. The firm’s first assignment was at Ninewells Hospital in Dundee, Scotland, UK.



Knowles is founded in Manchester by James Roger Knowles, specialising in construction dispute resolution.


Hill International, Inc.

Irvin E. Richter launches Hill International, Inc. from his home in Willingboro, New Jersey, USA.


Binnington Copeland & Associates

Binnington Copeland & Associates is founded by Bill Copeland and Chris Binnington, as a specialist engineering and construction contracts consultancy. Its first office was in Progress House in Randburg, Johannesburg, South Africa.


Rendel Hancox

In 1988, Hancox & Partners became Rendel Hancox, part of the High-Point Group of Companies, following High-Point’s acquisition of civil engineering consultants Rendel, Palmer and Tritton (RPT).


Rendel Palmer & Tritton (Scotland)

Following a merger with the Glasgow branch of RPT, Rendel Hancox is renamed Rendel Palmer & Tritton (Scotland), providing mechanical, electrical, civil and structural engineering consultancy services.


Chitester Management Systems

Chitester Management Systems is founded in Tampa, Florida, USA, by Tim Chitester, specialising in construction claims analysis, property loss and building consulting, and programme management services.


Pickavance Consulting

Pickavance Consulting is founded in London by Keith Pickavance, an internationally-recognised figure in the field of construction disputes and author of Delay and Disruption in Construction Contracts, now in its 5th edition and recognised internationally as the definitive work on the subject.


Cadogan Consultants

Following a management buy-out, Rendel Palmer & Tritton (Scotland) becomes Cadogan Consultants, operating as a private limited company. The firm enjoyed a close working relationship with chemical engineering expert Brian Locke, and carried out work under the umbrella of his consultancy named after his residence in Cadogan Square, London. After separating from High-Point Rendel, and following Brian’s retirement, the firm became Cadogan Consultants.


McLachlan Lister

McLachlan Lister is founded in Sydney, Australia by Russell Lister. The company becomes synonymous with pioneering project consultancy practices in Australia. Its first project is at the Harold Park Paceway, a half-mile harness racing track in Glebe, New South Wales.



MapleConsult, established at Exchange Quay, Salford Quays, Manchester, a subsidiary of QS practice Haleys (formerly known as Haley Somerset Consulting) is acquired by Hill International.


Pickavance Consulting

Pickavance Consulting, with offices in London and Hong Kong is acquired by Hill International


Hill International Construction Claims & Consulting Group

Hill International Construction Claims & Consulting Group restructures operations to create three distinct regions: the Americas; Europe, Middle East & Africa (EMEA); and Asia-Pacific.


PCI Group, LLC

Hill International acquires PCI Group, LLC, a Las Vegas-based firm that provides scheduling, construction claims, project management support, and software sales and support services throughout the western United States.


Chitester Management Systems

Hill International acquires Chitester Management Systems, Inc., based in Tampa, Florida, USA.


McLachlan Lister

Hill International acquires Sydney-based McLachlan Lister, a firm providing management consulting services throughout Australia.


Binnington Copeland & Associates

Hill International acquires Binnington Copeland & Associates, a leading construction advisory and training practice in South Africa for over 25 years.



Expert engineering firm Cadogans, with around 30 professionals operating from offices in Glasgow and Dundee, Scotland, UK, is acquired by Hill International.


The Kenrich Group

HKA acquired The Kenrich Group LLC, an American-based expert, business and litigation consulting firm, creating the largest construction claims consultancy in the United States.


Probyn Miers

Probyn Miers, the UK’s leading firm of Expert Architects in the field of Construction Dispute Avoidance and Resolution, is now part of HKA.



When we engage with our clients, customers and other stakeholders, our success revolves around individual relationships and trust.

We convey a message of careful thinking and planning, offering a steady hand to our stakeholders. At the same, we deliver a responsive service with an ability to bring out our values and knowledge to bear on any situations that may arise.

Our brand values and core principles help shape our behaviour and actions, ensuring we remain on the right path and fulfil our goals to our stakeholders. We continuously strive to add value, create solutions, deliver excellence and exceed expectations.

"Our people are leaders and problem-solvers, who thrive on complexity.

By collaborative practices and innovative thinking, our clients receive an offering that is constantly evolving and improving in response to their needs."
Renny Borhan, Partner & CEO


We embrace and rapidly adapt to change, challenges, events and opportunities. We are very clear about what we stand for. We look to the future.


We embrace the principles, practices and processes of collaborative organisational structure that enhance communication and the exchange of ideas, and foster teamwork.


We inspire clients to trust us with their business and business-critical projects and decision-making.


We are progressive and make continuous improvement an integral part of the way we operate.


We are meaningfully different, inspiring and distinctive and earn the most interest and attention in our space, both on- and off-line.