About Us

About Us

Our Mission

To be the leading source of expertise to help clients manage disputes, risk and uncertainty on major capital projects.

Our Purpose

To make the best possible outcomes for our clients a reality, every time.

HKA is one of the world’s leading providers of consulting, expert and advisory services for the construction and engineering industry. We anticipate, investigate and resolve project challenges. HKA understands the pressures associated with delivering successful projects, whatever their size and complexity, wherever in the world. For over four decades we’ve stood alongside our clients as trusted independent advisers, finding solutions amid uncertainty, dispute and overrun.

From construction and manufacturing to processes and technology, our people provide the consulting, expert and advisory insight that make the best possible outcomes a reality for public and private sector clients worldwide.

HKA was named Construction Expert Witness Firm of the Year at Who’s Who Legal Awards in 2018 and topped the list of WWL Construction 2019: Expert Witness Analysis and ranked number one in the Global Arbitration Review (GAR) Top 100 11th Edition Expert Witnesses for the number of construction arbitrations a firm has undertaken.

With over 1000 professionals operating from 50 offices in 19 countries worldwide, we have a footprint in every continent.

  1. 1970

    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.

  2. 1973


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

  3. 1976

    Hill International, Inc.

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

  4. 1985

    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.

  5. 1988

    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).

  6. 1991

    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.

  7. 1995

    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.

  8. 1996

    Pickavance Consulting

    Pickavance Consulting founded 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.

  9. 1997

    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.

  10. 1998

    James R Knowles

    James R Knowles becomes a quoted company on the AIM market (formerly known as the Alternative Investment Market).

  11. 1999

    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.

  12. 2000

    Pickavance Consulting

    Pickavance Consulting launches its inaugural Masterclass on Delay & Disruption in Construction Contracts, a three-day residential event held at Sundridge Park in Bromley, Kent, UK.

  13. 2003


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

  14. 2006

    James R. Knowles (Holdings) PLC

    James R. Knowles (Holdings) PLC, headquartered in Daresbury, Warrington, UK, acquired by Hill International, Inc. At the time of acquisition, Knowles employed more than 350 staff operating from 36 offices throughout the UK, Western Europe, Middle East, Southeast Asia, Australia, Canada and the United States.

  15. 2007

    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.

  16. 2008

    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.

  17. 2008

    Chitester Management Systems

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

  18. 2010

    McLachlan Lister

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

  19. 2013

    Binnington Copeland & Associates

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

  20. 2014


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

  21. 2017


    Operating as a privately-owned organisation with management equity, supported by Bridgepoint Development Capital, Hill’s Construction Claims & Consulting Group (including subsidiaries Binnington Copeland & Associates, Cadogans, Hill-PCI Group, Knowles, and McLachlan Lister) completes its sale and de-merger from Hill International, Inc., and becomes HKA.

  22. 2019

    The Kenrich Group

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


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.