
Quantity Surveying & Commercial Advisory
Practical, high-level commercial support for projects of all sizes across contractor and client-side construction, from estimating and procurement to claims, delivery, and strategic oversight.
Approved supplier under the New Zealand Government’s All-of-Government Construction Consultancy Services Panel.




Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ

Supporting clear, controlled, and commercially sound project outcomes
Claims & Variations
Preparation, assessment, and support for contract claims and variations.
Clear, structured submissions aligned with contract provisions and supported by site records, ensuring issues are presented on a sound commercial basis.
Commercial Management
Contract administration, cost reporting, and commercial oversight.
Practical, site-based input to maintain financial control, manage risk, and support informed decision-making.
Tender Support
Tender review, pricing support, and submission preparation.
Development of clear, well-structured tenders and commercial responses that reflect project requirements, risk, and delivery strategy.
Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide | New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ

Experience across infrastructure and
construction projects
Delivered across a range of infrastructure and civil construction projects
Project Experience
3 Waters infrastructure (water, wastewater, stormwater)
Roading and civil works
Subdivision and land development
Public sector and council projects
Commercial Experience
Contract administration under NZS 3910-style contracts
Claims preparation and assessment
Variation management and cost control
Tender preparation and evaluation
Tender Support
Tender review, pricing support, and submission preparation.
Development of clear, well-structured tenders and commercial responses that reflect project requirements, risk, and delivery strategy.

Contractors
Claims, variations, and commercial management supportTender preparation and pricing supportSite-based QS input
Clients / Councils
Independent commercial oversightCost control and reportingContract administration support
Consultants
Additional QS resource when requiredSupport during peak workload or project delivery phases

Clear, structured, and commercially focusedAligned with contract provisions and project requirementsPractical, site-based understandingFocused on clarity, control, and resolution

Contact Illustris Consulting NZ
Available for short-term, project-based, or ongoing commercial support




Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ

Proven Experience Across Civil Infrastructure, Three Waters & Construction Projects
Quantity surveying, commercial advisory, and project delivery experience across contractor-side operations, client-side governance, and infrastructure lifecycle support.
Experience across Three Waters, land development, civil infrastructure, and public sector projects throughout New Zealand.

Rotokauri Transport Hub
Lead quantity surveying and commercial management for
a $25m multi-modal transport hub delivered within a live rail corridor
including rail infrastructure upgrades, pedestrian bridge construction,
station platform works, bus interchange, park-and ride facilities, and
surrounding transport network improvements. (NZS3910)

State Highway 1 Underpass
Lead site-based quantity surveying and commercial management for a
$3m pedestrian underpass delivered within a live State Highway 1 corridor
including subcontractor procurement, cost control, claims, variations
and commercial delivery support. (NZS3910)

Kopaki Bridge Replacement
Lead site-based commercial and quantity surveying management for a $12m
bridge replacement project, delivering a new overbridge structure across
active rail and stream corridors, including procurement, cost control,
claims, variations and live delivery commercial support. (NZS3910)

Drury - Subdivision
Client-side quantity surveying, cost management, and contract administration
for subdivision infrastructure delivery, supporting water and wastewater
network installation, commercial controls, procurement coordination and
project governance prior to vertical development. (NZS3910)
BROADER EXPERIENCE
Extensive quantity surveying, commercial advisory, and infrastructure experience across major transport, water,
wastewater, rail, and civil projects in both New Zealand and the United Kingdom, including:Auckland Central Interceptor (Pricing of wastewater tunnel and components)
Auckland Light Rail (Early stage pricing and feasability)
Queenstown town centre services renewals (water, gas, electrical)
Queenstown Lakes District Council – 3 waters infrastructure pricing
Multiple large-scale water and wastewater projects across the UK
HOW WE SUPPORT PROJECTS ACROSS DELIVERY & GOVERNANCE
Tender pricing and commercial strategy
Variations, claims, and entitlement support
Contract administration (NZS 3910 and similar)
Cost control and reporting systems
Subcontractor management and procurement
Dispute avoidance and commercial risk management




Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ

Commercial Support for Contractors Focused on Delivery, Cost, and Margin
Approved supplier under the New Zealand Government All-of-Government Construction Consultancy Services Panel
Tendering & Bid Support
BOQ reviews & risk identification
Estimating & pricing support
Bid pricing strategy
Tender submissions
Delivery Commercial Controls
Cost tracking
Claims preparation
Variations
Procurement set up & controls
Subcontractor management
Claims & Margin Protection
Payment claims
Variations strategy
Contract interpretation (NZS 3910 & related forms)
Commercial issue resolution




Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ

Independent Quantity Surveying & Commercial Oversight for Clients, Councils & Asset Owners
Approved supplier under the New Zealand Government All-of-Government Construction Consultancy Services Panel
Feasibility & Cost Planning
Early cost planning
Business case & funding support
Feasibility estimates
Procurement & Tender Assurance
Tender review
Procurement strategy
Commercial & procurement due diligence
Delivery Oversight
Claims review
Variation scrutiny
Cost governance
Commercial reporting & cost governance




Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ

Contractor Quantity Surveying & Commercial Delivery Services
Practical commercial systems for contractors, subcontractors, and delivery teams, from tender strategy through project delivery,
claims, and margin protection.
Tender Support & Pre-Contract Commercial Strategy
Illustris Consulting supports contractors during tender and pre-contract stages by strengthening estimate quality, pricing structure,
and commercial clarity before commitments are made. Services are designed to improve bid confidence, identify commercial risk
early, and support more informed project acquisition.
• BOQ review and pricing support
• Estimate build-up and cost planning
• Tender strategy and commercial review
• Submission support and pricing logic
• Risk identification before contract award
Delivery Commercial Controls
During live delivery, Illustris Consulting helps contractors implement practical commercial systems that improve cost visibility,
subcontractor control, and contractual positioning. This includes real-world support across reporting, claims, procurement,
and margin management.
• Cost tracking and forecasting
• Monthly payment claims
• Variations management
• Procurement systems
• Subcontractor administration
• Commercial reporting frameworks
Claims, Variations & Margin Protection
Illustris Consulting provides structured support to protect commercial outcomes during delivery by improving claims quality,
contract interpretation, and variation strategy. Services focus on protecting margin, reducing leakage, and strengthening
contractor commercial position.
• Payment claim preparation
• Variations strategy
• Contract interpretation
• Claims support
• Commercial troubleshooting
• Margin protection systems
Flexible Delivery Model
Services can be delivered remotely, on-site, or through hybrid support models depending on contractor requirements,
project complexity, and geographic location. Illustris Consulting supports both short-term commercial
troubleshooting and longer-term delivery system implementation.
Need stronger commercial systems, better claims
positioning, or practical contractor-side QS support?




Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ

Client-Side Quantity Surveying, Procurement & Commercial Governance
Independent construction consultancy for developers, councils, asset owners, and project stakeholders seeking stronger
cost certainty, procurement confidence, and delivery oversight.
Feasibility, Budgeting & Early Cost Planning
Illustris Consulting supports clients during early-stage planning by improving project cost clarity, feasibility understanding, and commercial
decision-making before procurement begins. Services are designed to strengthen budget confidence and support more informed project investment.
• Feasibility estimates
• Early budgeting
• Business case support
• Cost planning
• Pre-procurement commercial advice
• Project financial strategy
Procurement & Tender Assurance
Illustris Consulting provides independent procurement and tender advisory support to improve commercial transparency, procurement quality
and project confidence. Services focus on helping clients structure stronger procurement processes and make more informed commercial decisions.
• Tender review
• Procurement strategy
• Commercial due diligence
• Tender analysis
• Contract packaging advice
• Procurement governance
Delivery Oversight & Commercial Governance
During delivery, Illustris Consulting supports clients through independent commercial oversight designed to improve financial governance,
cost control, and contract confidence. Services help strengthen project visibility and support more accountable commercial outcomes.
• Claims review
• Variation scrutiny
• Cost governance
• Commercial reporting
• Delivery oversight
• Contractual review support
Independent Advisory Model
Illustris Consulting provides flexible independent advisory support across project lifecycles, from feasibility and procurement through delivery
and close-out.Services can be delivered remotely, on-site, or through hybrid engagement models depending on project scope,
stakeholder structure, and governance requirements.
Need stronger cost certainty, procurement confidence
or independent commercial oversight?




Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ

Claims, Variations & Commercial Positioning
Practical contractor-side support for payment claims, variations strategy, contract positioning,
and commercial systems designed to protect margin and strengthen project outcomes.
Variations Strategy & Entitlement Positioning
Illustris Consulting supports contractors in identifying, structuring, pricing, and positioning variations
more effectively to improve entitlement clarity and reduce commercial leakage during live delivery.
• Variation identification
• Scope change assessment
• Pricing support
• Entitlement positioning
• Commercial strategy
Payment Claims & Commercial Recovery
Strong claims systems improve payment quality, project cashflow confidence, and contractor commercial resilience.
Illustris Consulting supports structured payment claim preparation, contract alignment, and supporting documentation.
• Payment claim preparation
• Supporting documentation
• Contractual alignment
• Commercial recovery systems
• Cashflow support
Contract Interpretation & Commercial Risk
Commercial outcomes are often shaped by contract administration quality and strategic interpretation.
Illustris Consulting provides practical support across contractual review, NZS 3910 familiarity, commercial positioning, and dispute risk reduction.
• Contract interpretation
• NZS 3910 familiarity
• Commercial positioning
• Risk mitigation
• Dispute avoidance
Practical Claims Systems
Rather than reactive claim preparation alone, Illustris Consulting focuses on improving systems
that strengthen contractor commercial discipline throughout project lifecycles.
• Record quality
• Variation workflows
• Claim systems
• Reporting discipline
• Margin protection
Need stronger claims systems, better variation positioning
or contractor-side commercial support?




Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ

Procurement, Governance & Commercial Assurance
Independent procurement advisory, tender assurance, and commercial governance support
designed to improve project confidence, procurement quality, and delivery oversight.
Procurement Strategy & Tender Structuring
Illustris Consulting supports clients through stronger procurement planning, tender strategy
and commercial structuring to improve market engagement, reduce procurement risk, and strengthen project foundations before delivery begins.
• Procurement strategy
• Tender structuring
• Contract packaging
• Commercial planning
• Market engagement support
Tender Review & Commercial Due Diligence
Independent tender review and commercial assessment improve procurement clarity by
supporting more informed contractor selection, pricing confidence, and commercial transparency.
• Tender review
• Commercial due diligence
• Pricing analysis
• Bid comparison
• Procurement confidence
Governance, Oversight & Cost Control
Illustris Consulting supports project governance through structured commercial oversight, cost governance,
reporting systems, and independent review processes that improve visibility across project lifecycles.
• Cost governance
• Commercial reporting
• Independent oversight
• Delivery review
• Variation scrutiny
Delivery Through Governance
Strong project outcomes are often determined before construction begins. Illustris Consulting focuses on
aligning procurement quality, governance systems, and delivery controls to improve confidence from feasibility through completion.
Need stronger claims systems, better variation management
or improved contractor and subcontractor commercial control?




Illustris Consulting NZ
Quantity Surveying | Commercial Advisory
Waikato | Bay of Plenty | Auckland | Nationwide New Zealand
Email: [email protected]
Telephone: 022 399 4219
© 2026 Illustris Consulting NZ