Osborne + Song

Osborne + Song
Surry Hills, NSW
Level 1, 457 Elizabeth Street
Surry Hills, NSW, 2010

Key Contacts

Devlyn Song

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. Strong Work Ethic
  3. Innovation
  4. Honesty
  5. Fairness
  6. Individual Contribution
  7. Reliability
  8. Integrity
  • Asset and Facilities Management
  • Asset Cost Management
  • Asset Management
  • Contract Administration
  • Contract Asset Management
  • Contract Claims Advice
  • Contract Management
  • Cost Planning and Management
  • Due Diligence Assessments
  • Engineering Services Cost Management
  • Estimating
  • Estimating Specification Writing
  • Facility Management
  • Feasibility Studies
  • Insurance Reinstatement Valuations
  • Insurance Replacement Valuations
  • Life Cycle Costing
  • Tender Documentation and BoQ
  • Commercial
  • Residential