At PRDW we strive for innovative solutions, sustainable designs, technical feasibility and economically efficient projects.

PRDW's global footprint

PRDW has experience in developing projects for clients in the public and private sector and has been responsible for major port projects in Latin America, Africa, the Middle East, Asia and Australia.

PRDW’s primary offices in South Africa and Chile are supported by local offices in Australia, USA, Brazil, Panama and UK to expand PRDW’s footprint across five continents.

Company profile

PRDW offers the full range of consulting engineering services from investigations, planning and feasibility studies to basic and detailed design, tender documents, supervision of construction and post-construction monitoring.

PRDW provides a team of civil, coastal, hydraulic, structural and geotechnical engineers with specialist expertise for a wide range of marine structures; mechanical engineers skilled in materials handling; engineers and scientists versed in oceanography, wave conditions, coastal processes, physical and mathematical modelling; master mariners providing skills relevant to navigation and port planning studies; and quantity surveyors experienced in contracts, specifications and cost estimates. PRDW has over 160 employees internationally of which two thirds are graduates and one third is post-graduates. Our staff complement consists of a wide range technical staff at different levels to ensure that projects are executed at the most cost-effective rates.

Our team

PRDW was established as a global company led by four global directors who, together with their senior personnel, have devoted their professional careers to the pursuit of excellence in the field of marine civil engineering. PRDW are recognised as specialists in this field, reflected in the number of awards received over the years. All directors participate actively as engineers on each project.

Javier Vásquez
Group CEO
Allan Wijnberg
Group Chairman
Gregorio Aldunate
Group Deputy Chairman
Sahil Patel
Group Deputy CEO

Some PRDW history

PRDW was formed in 1993 in Cape Town, South Africa and has expanded over the years and presently operates as an international group working in several territories with offices in South Africa, Chile, Australia, USA, Panama, Brazil and UK.

In 2013 PRDW was established as a global company led by four global directors.

1992

Jo Dresner, Gordon Prestedge and Deon Retief form part of Watermeyer Prestedge Retief which is  registered in South Africa, focusing on port and coastal consulting.

Our wave logo is created.

1997

Allan Wijnberg Inc. merges

1999

PRDW Sudamerica (Chile) formed through a merger with Javier Vásquez Álvarez’s SurOeste Ingenieros Ltda., a specialist coastal practice founded in 1993.

Rebranded

Prestedge Retief Dresner Wijnberg

2001

Prestedge Retief Dresner Wijnberg USA registered

2005

PRDW Aldunate Vásquez (Chile) is formed through a merger with Gregorio Aldunate Mozo’s Aldunate y Asociados Ltda., a specialist structural and mechanical practice founded in 1989.

2011

Prestedge Retief Dresner Wijnberg Australia registered

2014

Officially rebranded PRDW

2015

PRDW Brazil registered

2019

PRDW Panama registered

2023

PRDW UK registered