PDSI Group of Companies

Combining Management, Technical Expertise and Financial Acumen in The Built Environment.

Welcome to Project Development Specialists International (PDSI), Formally The Queensborough Group we have recently relaunched ourselves as PDSI Construction Consultants. Established in 1985 we encompass a full consultancy service in the construction industry and have a wide range of knowledge and experience in the following pivotal sectors.

Introducing PDSI

PDSI are construction consultants and market leaders in their class; operating across the UK and selected international locations, providing independent professional Project Management, Cost Management and Quantity Surveying, Construction Planning, and CDMC and Health and Safety Consultancy for public and private sector clients.

PDSI add value through collaboration, innovation and integration with clients and supply chain to deliver best practice solutions within a dynamic global market.

We work on a diverse range of projects that cover a variety of sectors and services and at PDSI we pride ourselves on our long term relationships with our clients.

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The PDSI Group

PDSI have acquired a number of successful companies to expand their offerings to their clients:


Queensborough Project Management (QPM), established 25 years ago and based in London have worked on a number of prominent projects and have a skilled team to ensure high levels of service for their clients.


JS Projects (JSP) offer quantity surveying, project management and cost consultancy. Based in London, with over 60 years of experience and a wealth of knowledge they are able to offer maximised return on investment.


Profile Construction Consultants (PCC) provide construction planning and client side project management services. Based in West Malling, Kent – Profile have a local presence and work nationally and internationally.


Complete Construction Management (CCM) are skilled project managers, cost consultants and CDMC and health and safety advisors. Based in Gloucestershire, CCM have a local presence and work nationally and internationally.