The A-List




Devlyn H Song

Main Address

Suite 2
345 Pacific Highway
North Sydney, NSW, 2060

Postal Address

Suite 2
345 Pacific Highway
North Sydney, NSW, 2060






68 613 239 731

About Us

Since 1985, Osborne+Song (previously Osborne Associates) has been at the forefront of construction procurement in New South Wales. Osborne+Song provides service at all stages of the procurement process.

Initial Stage

Appraisal and Design

Study of Client’s Brief and Scope Definition

Order of Cost Estimate

Pre-Tender Stage:


Concept Cost Planning (Elemental Format)

Cost Engineering

Design Development  

Formal Cost Planning (Trade Format)

Cost Advice

Technical Design

Pre-Tender Estimate (Trade Format)

Tender Stage:

Tender Documentation              

Builders’ Bills of Quantities (Trade Format)

Tender Action

Tender Appraisal, Assessment, Evaluation and Recommendation

Post-Tender Stage:

Construction to Practical Completion    

Progress of work and variation claim assessment and recommendation

Chart tracking value of work completed against value of work planned

Report on change in contract value, change in project milestones and cost to complete

Post Practical Completion

Final accounts and penultimate claim preparation and assessment

Recommend release of retention and preparation and final claim for payment by client

Life-cost cycle maintenance program and draw-downs for future work expenses


Our Service Pledge

Our service in delivering timely and credible cost throughout the procurement process makes us an indispensable part of the project delivery team.

Our Mission Statement

Our mission statement is to form lasting partnerships with our clients by providing work of professional integrity and high levels of client service. Our executive team provides support at all stages of our production process towards excellence in providing product and service delivery to our clients. Our values include:

      1. Leadership
      2. Integrity
      3. Reliability
      4. Individual Contribution
      5. Fairness
      6. Honesty
      7. Innovation
      8. Strong Work Ethic


Directors/Partners/Owners/Principals who are AIQS Members practising at this office:


Staff who are AIQS Members practising at this office: