GUIDING YOUR PROJECTS TO SUCCESS
EXPERT ADVISORY ON
INFRASTRUCTURE PROJECTS
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Alistair Aitken
OWNER & DIRECTOR
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Andrew Neale
LEAD ADVISOR
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 with significant experience of shaping major infrastructure projects. Since inception in January 2023, TAG Advisory has earned a reputation as trusted advisors who deliver impartial and independent counsel across the infrastructure sector.
Alistair brings extensive global experience and leadership to every engagement, combining strategic insight with a hands-on approach that ensures practical, implementable solutions. Alistair’s knowledge of major projects and deep sector knowledge underpin TAG Advisory's commitment to delivering exceptional project outcomes that stand the test of time.
TAG Advisory collaborate and partner with a carefully selected network of specialist professionals to provide comprehensive project and strategic advisory services. As a boutique consultancy, we maintain the highest standards of excellence and integrity whilst offering the agility and personalised attention that larger firms cannot match. Every solution is meticulously tailored to address our clients' specific challenges and objectives, ensuring that your projects not only succeed, but excel.
25+ Years Experience
Extensive industry-leading expertise.
Reputation-Driven
Trusted by numerous satisfied clients.
Boutique Consultancy
Personalised and focused client attention.
Specialised Expertise
High-profile project experience and knowledge.
GUIDING YOUR PROJECTS TO SUCCESS
EXPLORE OUR
EXPERTISE IN ACTION
Explore TAG Advisory’s comprehensive service offering by hovering over each element below. Discover how TAG Advisory's integrated approach transforms infrastructure projects from inception to completion.
Through strategic planning, precise engineering oversight, rigorous cost management and uncompromising quality assurance, TAG Advisory demonstrates its commitment to excellence at every project stage. This interactive experience showcases how TAG Advisory’s expertise, innovation, and meticulous attention to detail combine to deliver exceptional outcomes for our clients.
YOUR PARTNER IN PROJECT SUCCESS
COMPREHENSIVE PROJECT
ADVISORY SERVICES
TAG Advisory delivers comprehensive project advisory solutions precisely tailored to meet the complex demands of today's infrastructure sector.
TAG Advisory provide accurate, independent and impartial counsel that guides your projects from initial concept through successful delivery and beyond. TAG Advisory’s approach combines deep sector expertise with unwavering objectivity, ensuring that every recommendation serves your project's best interests. Whether navigating regulatory complexities, optimising costs, or mitigating risks, TAG Advisory stand beside you as committed partners who measure our success by yours.
ADVISORY
SERVICES:
Advisory Services deliver strategic advice and expert consultation across critical project disciplines in contract advisory, dispute resolution, expert witness, financial certification, independent certification, procurement solutions and replacement cost estimates.
ASSET VALUATION
CONTRACT ADVISORY
DISPUTE RESOLUTION
EXPERT WITNESS
INDEPENDENT CERTIFICATION
PROCUREMENT SOLUTIONS
REPLACEMENT COST ESTIMATE
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COST
MANAGEMENT:
Cost Management Services offer precise financial oversight via detailed bills of quantities, contract administration, cost estimating, independent estimating, peer reviews, probabilistic estimating, project financial forecasting and risk management.
BILL OF QUANTITIES
COMMERCIAL ADVISORY
CONTRACT ADMINISTRATION
COST ESTIMATING
INDEPENDENT ESTIMATING
RISK MANAGEMENT
DIVERSE INDUSTRIES WITH EXPERT SOLUTIONS
THE SECTORS
WE SERVE
Explore the diverse sectors where TAG Advisory delivers transformative outcomes. Hover over each element to discover how our deep sector expertise and tailored approach address the unique challenges of your industry. Whatever your sector, we combine technical mastery with commercial pragmatism to deliver results that matter.
Marine and Ports:
Providing specialised management and advisory services for marine and port infrastructure, enhancing capacity and operational performance.
Industrial:
Delivering tailored advisory services for industrial projects, optimising productivity and operational efficiency through strategic planning.
OUR EXPERIENCE AND CLIENTS
TRUSTED BY LEADERS
IN INFRASTRUCTURE
TAG Advisory collaborates with leading public and private sector clients in the planning and delivery of major infrastructure projects.
TAG Advisory's dedication to excellence and strategic thinking has earned the trust of organisations that demand certainty in complex environments. Our clients return to us because we deliver more than advice—we deliver confidence, clarity, and results that withstand scrutiny.
SHOWCASING OUR SUCCESS STORIES
TAG ADVISORY
PROJECT CASE STUDIES
COST ESTIMATING & COMMERCIAL SERVICES
MAIN ROADS
ROAD AND BRIDGE PROJECT MANAGEMENT
MAIN ROADS
GREAT EASTERN HIGHWAY BYPASS
MAIN ROADS
BUNBURY FASTER RAIL
PUBLIC TRANSPORT AUTHORITY
BAYSWATER STATION AND TURNBACK
EVOLVE BAYSWATER
COST ESTIMATING & COMMERCIAL SERVICES
The Cost Estimating and Commercial Services Panel appointment to Main Roads Western Australia's Service Area 2 recognises TAG Advisory's expertise in specialist contract support and complex claims resolution. This strategic panel arrangement, running from August 2023 with extension options to 2028, provides forensic analysis, strategic negotiation support, and sophisticated commercial advice for high-value contractual matters. The ongoing engagement demonstrates Main Roads' confidence in TAG Advisory as their trusted commercial advisor across metropolitan and regional projects.
HEAR WHAT OUR CLIENTS SAY
TAG ADVISORY CLIENT COMMENDATIONS
"Always reliable with quality of work done to a very high standard. Continued collaboration on this contract and others. Work extended to greater program review across Road and Rail."
Glenn Dawson
COMMERCIAL AND CONTROLS MANAGER
"As always, we thank you for your work and cost advice on these projects [Daglish Underpass Rebuild and Murdoch Station Capacity Upgrade]. It has been a pleasure working with you and I am sure we will be again soon."
Anastasia Katsimbardis
PRINCIPAL PROJECT MANAGER
“Alistair and his team have consistently delivered their cost estimation services for the projects we have been involved on in a prompt, professional and highly collaborative manner.
Their cost estimates are of a very high standard and they approach each project in a highly proactive manner and always in the best interests of the client. They have also provided valuable input in respect to value management where appropriate.”
Andrew Ainsworth
DIRECTOR - CONIGLIO AINSWORTH ARCHITECTS
“I have regularly sought Alistair’s input on many diverse and complex projects over the last 10 years and have always been highly impressed by his professional approach, insightful advice, and dedication to delivering a high-quality product for my clients across a diverse range of projects and sectors in Western Australia. I would highly recommend TAG Advisory's involvement on future projects.”
Mark Johnston
PROJECT LEADER - ARUP
“TAG Advisory has provided sound estimating services and are intimately familiar with PTA's requirements and continue to provide timely guidance to all teams when required. TAG Advisory's estimates have been reflective of actual market value in a period of high volatility and inflationary pressures.”
Robert Clark
DELIVERY MANAGER – HIGH-CAPACITY SIGNALLING PROJECT
“Despite being in high demand, Alistair has maintained an ability to service the project's needs. Approaching periods where Alistair had other commitments, or was on leave, there has always been ample communication up-front and / or putting things in place to ensure continuity of service.
Alistair has demonstrated commercial experience / expertise and provided a comprehensive service in the way it has handled proposed scope changes, not just on pricing but also methodology, schedule, resourcing and the like.
Thank you for your ongoing valuable contributions to this project.”
Luke Harris
ALLIANCE FINANCE MANAGER - MELCONNX