Accumulus
Quantity surveying and project management services that deliver financial clarity and practical solutions.

Bringing precision & value to construction projects.

Led by Director Tony Davenport – a Registered Quantity Surveyor (MNZIQS, AMINZ) with over 30 years of local and international experience – we work alongside developers, contractors and subcontractors to plan, manage and deliver projects with precision.

Our expertise covers cost planning, procurement and tendering, contract administration, variation management, contract review and negotiation, value engineering, risk management, dispute resolution and expert-witness services.

With a background spanning both main contractor and consultancy roles, we understand how to balance commercial objectives with design intent and buildability. Our approach is hands-on, collaborative and focused on clear communication, sound process and reliable results.

Whether it’s a commercial build, a high-end residential development or a complex public-sector project, Accumulus delivers clarity, structure and confidence from concept to completion.

What we like best

They have a reputation for precision, strategic cost management, and a hands-on approach. The ability to anticipate and mitigate common project pitfalls, contract awareness combined with attention to detail, expertise in value engineering and a unique blend of quantity surveying and project management

What they specialise in

  • Cost planning

  • Estimation

  • Quantity takeoffs

  • Procurement scheduling

  • Tendering and documentation

  • Contract administration

  • Progress claim assessment

  • Variation management

  • Final account preparation

  • Contract review

  • Risk assessment and negotiation

  • Value engineering

  • Project audit reports

  • Time and motion studies

  • Dispute resolution

  • Extension of time and delay claims

  • Expert-witness support

Contact:
Tony Davenport
tony@accumulus.nz
021 817 029