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HKA

HKA

Professional Notice

About HKA 

HKA is the world’s leading consultancy of choice for multi-disciplinary expert and specialist services.

This includes risk mitigation and dispute resolution within the capital projects and infrastructure sector where our expert witnesses span the full range of disciplines including:

  • Delay
  • Quantum and Damages
  • Engineering, Architecture and Technical 
  • Forensic Accounting and Commercial Damages
  • Government Contracting 

Our experts are widely experienced in forensic accounting matters, advising clients on the economic impact of commercial and investment treaty disputes and in complex insurance matters.

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

HKA experts 

HKA experts help to resolve disputes in expert determination, mediation, arbitration and litigation. Experienced as party or tribunal appointed experts, arbitrators and neutral accountants, we are able to advise and, if needed, give evidence under cross-examination, including concurrent evidence or ‘hottubbing’ – in every jurisdiction. 

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

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. 

Reach 

As well as more than 500 expert witnesses, HKA now has in excess of 500 advisors and consultants – across 40+ offices in 16 countries – with the skills and experience that are essential to get to the heart of even the most complex issues. 

Markets and industries 

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

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

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. 

Professional standing and recognition 

HKA was awarded 'Construction Expert Witness Firm of the Year 2020' by Who’s Who Legal (WWL), winning the award twice in three years.  

We ranked as the top firm in WWL: Construction's expert witnesses analysis for the last four years, with our leading quantum, engineering and delay experts being recognised for their skills and reputation. 

HKA’s expert witnesses also feature in WWL’s Arbitration, Litigation, Investigations – Forensic Accounting, Canada and Australia analysis, selected for their exceptional work providing written and oral testimony in contentious proceedings.

Brisbane, Australia

Riverside Centre, Level 35 123 Eagle Street

Sydney, Australia

1 Hickson Rd The Rocks

Montréal, Canada

Bureau 7.103 1751 Rue Richardson

Vancouver, Canada

513 – 224 West Esplanade North Vancouver

Birmingham, England

6160 Knights Court Solihull Parkway

London, England

11 Pilgrim Street 

London, England

11 Pilgrim Street 

Doha, Qatar

Doha Tower 13th Floor Al Corniche Street, West Bay

Jeddah, Saudi Arabia

Office 705 (B), Bin Homran Center Al Tahlia Street

Glasgow, Scotland

220 St Vincent Street 

Glasgow, Scotland

220 St Vincent Street 

Glasgow, Scotland

220 St Vincent Street 

Singapore, Singapore

331 North Bridge Road #20-03 Odeon Towers

Istanbul, Turkey

Brandium AVYM Kucukbakkalkoy Mah.

Atlanta, USA

1100 Peachtree Street NE Suite 200

Chicago, USA

300 South Wacker Drive Suite 2600

Dallas, USA

1717 Main Street Suite 3075

Las Vegas, USA

10801 W. Charleston Blvd Suite 650

Los Angeles, USA

4605 Lankershim Blvd. Suite 840

New York, USA

60 E. 42nd Street Suite 1460

Philadelphia, USA

One Commerce Square 2005 Market Street, Suite 820

San Diego, USA

11440 West Bernardo Court Suite 120

Washington, USA

1225 I Street NW Suite 1275

Dubai, United Arab Emirates

Office 1406, 14th Floor Marina Plaza, Dubai Marina
Back to all Offices

HKA, Scotland

220 St Vincent Street Glasgow Scotland G2 5SG www.hka.com

Arbitration

Scotland

Trevor Pettigrew-Smith

Trevor Pettigrew-Smith

Professional Biography

Construction

Scotland

Gerry Brannigan

Gerry Brannigan

Professional Biography
David McIntyre

David McIntyre

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Trevor Pettigrew-Smith

Trevor Pettigrew-Smith

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Construction - Quantum & Delay (Consulting Experts)

Scotland

Gerry Brannigan

Gerry Brannigan

Professional Biography
David McIntyre

David McIntyre

Professional Biography
Trevor Pettigrew-Smith

Trevor Pettigrew-Smith

Professional Biography
Thought Leaders

Arbitration

Australia

Jonathan Humphrey

Jonathan Humphrey

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Canada

Lorna Cuthbertson Tardif

Lorna Cuthbertson Tardif

Professional Biography

Qatar

Tom Kapapa

Tom Kapapa

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Colin Russell

Colin Russell

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Singapore

Andrei Soltan

Andrei Soltan

Professional Biography

United Arab Emirates

David Atkinson

David Atkinson

Professional Biography
Michael Tonkin

Michael Tonkin

Professional Biography

Turkey

Ekrem Kaya

Ekrem Kaya

Professional Biography

USA

Troy Dahlberg

Troy Dahlberg

Professional Biography

England

Mark Dixon

Mark Dixon

Professional Biography
Emyr Evans

Emyr Evans

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Roula Harfouche

Roula Harfouche

Professional Biography
Colin Johnson

Colin Johnson

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Franco Mastrandrea

Franco Mastrandrea

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David Saunders

David Saunders

Professional Biography

Scotland

Doug Neville

Doug Neville

Professional Biography
Trevor Pettigrew-Smith

Trevor Pettigrew-Smith

Professional Biography

Construction

Australia

Jonathan Humphrey

Jonathan Humphrey

Professional Biography
Graham Topp

Graham Topp

Professional Biography

Canada

Ali Fard

Ali Fard

Professional Biography

Qatar

Saudi Arabia

Haroon Niazi

Haroon Niazi

Professional Biography

Singapore

Andrei Soltan

Andrei Soltan

Professional Biography

United Arab Emirates

Nabil Al Tawil

Nabil Al Tawil

Professional Biography

Turkey

Ekrem Kaya

Ekrem Kaya

Professional Biography

USA

Timothy R Chitester

Timothy R Chitester

Professional Biography
William A Cook

William A Cook

Professional Biography
Tanner Courrier

Tanner Courrier

Professional Biography
Robert A Dieterle

Robert A Dieterle

Professional Biography
Dan Feinblum

Dan Feinblum

Professional Biography
Frank J Giunta

Frank J Giunta

Professional Biography
John McTyre

John McTyre

Professional Biography
Paul Pocalyko

Paul Pocalyko

Professional Biography
Larry Smith

Larry Smith

Professional Biography
Peter Vosbikian

Peter Vosbikian

Professional Biography
Peter J Wallace

Peter J Wallace

Professional Biography

England

Russell Bates

Russell Bates

Professional Biography
Peter Caillard

Peter Caillard

Professional Biography
John Jones

John Jones

Professional Biography

Scotland

Gerry Brannigan

Gerry Brannigan

Professional Biography
Alex Currie

Alex Currie

Professional Biography
David McIntyre

David McIntyre

Professional Biography
Trevor Pettigrew-Smith

Trevor Pettigrew-Smith

Professional Biography

Construction - Quantum & Delay (Consulting Experts)

Australia

Hamish Clark

Hamish Clark

Professional Biography
Jonathan Humphrey

Jonathan Humphrey

Professional Biography

Qatar

Tom Kapapa

Tom Kapapa

Professional Biography
Colin Russell

Colin Russell

Professional Biography

Saudi Arabia

Haroon Niazi

Haroon Niazi

Professional Biography

Singapore

Andrei Soltan

Andrei Soltan

Professional Biography

United Arab Emirates

Nabil Al Tawil

Nabil Al Tawil

Professional Biography
David Atkinson

David Atkinson

Professional Biography
Michael Tonkin

Michael Tonkin

Professional Biography

Turkey

Ekrem Kaya

Ekrem Kaya

Professional Biography

USA

Kenneth R Baker

Kenneth R Baker

Professional Biography
Christopher H Beirise

Christopher H Beirise

Professional Biography
Timothy R Chitester

Timothy R Chitester

Professional Biography
William A Cook

William A Cook

Professional Biography
Tanner Courrier

Tanner Courrier

Professional Biography
Robert A Dieterle

Robert A Dieterle

Professional Biography
Dan Feinblum

Dan Feinblum

Professional Biography
Frank J Giunta

Frank J Giunta

Professional Biography
Scott D Hollingsworth

Scott D Hollingsworth

Professional Biography
John McTyre

John McTyre

Professional Biography
Paul Pocalyko

Paul Pocalyko

Professional Biography
Richard Sieracki

Richard Sieracki

Professional Biography
Larry Smith

Larry Smith

Professional Biography
Chris Spandau

Chris Spandau

Professional Biography
Peter Vosbikian

Peter Vosbikian

Professional Biography
Peter J Wallace

Peter J Wallace

Professional Biography

England

Russell Bates

Russell Bates

Professional Biography
Geoff Bewsey

Geoff Bewsey

Professional Biography
Peter Caillard

Peter Caillard

Professional Biography
Mark Dixon

Mark Dixon

Professional Biography
Emyr Evans

Emyr Evans

Professional Biography
John Jones

John Jones

Professional Biography
Franco Mastrandrea

Franco Mastrandrea

Professional Biography
Derek Nelson

Derek Nelson

Professional Biography

Scotland

Gerry Brannigan

Gerry Brannigan

Professional Biography
Alex Currie

Alex Currie

Professional Biography
David McIntyre

David McIntyre

Professional Biography
Doug Neville

Doug Neville

Professional Biography
Trevor Pettigrew-Smith

Trevor Pettigrew-Smith

Professional Biography

Forensic Accountants (Consulting Experts)

England

David Saunders

David Saunders

Professional Biography

Investigations

England

David Saunders

David Saunders

Professional Biography

Litigation

Australia

Jonathan Humphrey

Jonathan Humphrey

Professional Biography

England

Colin Johnson

Colin Johnson

Professional Biography

Quantum of Damages (Consulting Experts)

Australia

Jonathan Humphrey

Jonathan Humphrey

Professional Biography

England

Roula Harfouche

Roula Harfouche

Professional Biography
Colin Johnson

Colin Johnson

Professional Biography
David Saunders

David Saunders

Professional Biography
Putting Your Cards On The Table: An Alternative Approach To Documentary Evidence

Putting Your Cards On The Table: An Alternative Approach To Documentary Evidence



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