GUIDING YOUR PROJECTS TO SUCCESS
EXPERT ADVISORY ON
INFRASTRUCTURE PROJECTS
GUIDING YOUR PROJECTS TO SUCCESS
TAG ADVISORY: YOUR TRUSTED PROJECT PARTNER
TAG Advisory was founded by Alistair Aitken, a seasoned quantity surveyor and project advisor. Established in January 2023, TAG has quickly gained a reputation for providing precise, independent, and impartial advice across the infrastructure sector. With extensive UK and international experience, Alistair brings unparalleled expertise and a hands-on approach to every engagement. His leadership roles and contributions to major government projects underline TAG's commitment to strong project outcomes. We collaborate with a network of like-minded professionals to deliver meticulous planning, cost management, and strategic advisory services. Our boutique consultancy upholds the highest standards of excellence and integrity, providing personalised solutions tailored to each client's specific needs.
20+ Years Experience.
Extensive industry-leading expertise.
Reputation-Driven.
Trusted by numerous satisfied clients.
Specialised Expertise.
High-profile project experience and knowledge.
Boutique Consultancy.
Personalised and focused client attention.
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Alistair Aitken
OWNER & DIRECTOR
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Andrew Neale
LEAD ADVISOR
GUIDING YOUR PROJECTS TO SUCCESS
EXPLORE OUR
EXPERTISE IN ACTION
Hover over each element to learn more about how TAG Advisory's comprehensive services help infrastructure projects succeed. From planning and engineering to cost management and quality assurance, this interactive experience demonstrates our dedication to excellence and innovation in all aspects of project delivery.
YOUR PARTNER IN PROJECT SUCCESS
COMPREHENSIVE PROJECT
ADVISORY SERVICES
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ADVISORY
SERVICES:
CONTRACT ADVISORY
ASSET VALUATION
REPLACEMENT COST ESTIMATE
DISPUTE RESOLUTION
EXPERT WITNESS
INDEPENDENT CERTIFICATION
Our Advisory Services provide strategic advice and expert consultation in business management, contract advisory, dispute resolution, expert witness testimony, financial certification, and independent certification.
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COST
MANAGEMENT:
CONTRACT ADVISORY
COST ESTIMATING
BILL OF QUANTITIES
INDEPENDENT ESTIMATOR
COMMERCIAL ADVISORY
VARIOUS
Our Cost Management services offer precise financial oversight via detailed bills of quantities, cost estimating, independent estimating, peer review, probabilistic estimating and project financial forecasting.
Byford Rail Extension:
Enhancing Perths Public Transport
2012
Byford Rail Extension:
Enhancing Perths Public Transport
2012
Byford Rail Extension:
Enhancing Perths Public Transport
2012
Byford Rail Extension:
Enhancing Perths Public Transport
2012
Byford Rail Extension:
Enhancing Perths Public Transport
2012
Byford Rail Extension.
The Byford Rail Extension will connect Byford to Perth CBD with a 42-minute train journey, extending the Armadale Line by 8km and rebuilding Armadale Station as an elevated station, with works completed by mid-2025.

SHOWCASING OUR SUCCESS STORIES