Delta Tango Advisory is a Sydney-based management consulting firm specialising in project assurance & governance, strategy & financial modelling, and operational excellence. We turn insight into executable plans, so leaders can deliver with confidence.
Explore our capabilities in Project & Programme Management, Strategy and Operational Excellence; meet the team; or start a conversation.
“Transformational change isn’t a deck: it's a plan you can execute. We partner to design, test and land the change.”
We help organisations understand their environment, set the right targets and embed governance, so decisions hold up under pressure and delivery stays on track.
We run a rapid discovery to clarify outcomes, constraints and risks. You’ll receive a staged plan with milestones, governance and assurance checkpoints.
We support Defence, National Security, Space and complex enterprises. See insights & case notes for sector examples.
Yes for well-defined scopes. For complex or exploratory work, we propose time-boxed phases with clear deliverables.
A senior-led team aligned to your outcomes. Meet our leadership & specialists.
We’re committed to positive change across Australia: improving organisations and the human experience. From supporting social causes to increasing access to opportunity, we act where it moves communities forward.
Our team receives tailored onboarding, substantial training and professional education through partnerships with leading institutions. We prioritise continued development aligned to career aspirations and client needs.
UNSW, the Australian Institute of Management, Eggler Institute of Technology, and the University of Sydney’s student intern program.
Strong Defence Reserves commitment and alliance with Klepper Consulting: experts in training design for complex asset operations.
Organisational member of AIPM, supporting staff certifications and ongoing professional development.
We are approved suppliers on the following government panels and marketplaces.
NSW Procurement • NSW
Listed on NSW buy.nsw Supplier Hub (Profile ID 93372). ABN 31 649 924 514. Approved to supply ICT professional services under SCM0020 categories including consulting and UX/service design.
Department of Defence • Commonwealth
Standing Offer Notice (SON3520191) under the Information Communication Technology Provider Arrangement. Open to all agencies, multi-agency access approved. Panel ID PNL2331. Contact: ICTPA.Advice@defence.gov.au (Department of Defence, postcode 2600). Description: Purchase of Digital Services for Government.
Australian Signals Directorate (ASD) • Commonwealth
Contract with the Australian Signals Directorate under SON3413842. Description: Project Manager – Labour Hire. Contract value AUD $358,160.00. ATM ID DTA-487 V4. Agency Ref ID 4501153660. Published 8-Apr-2022. Procurement method: Open tender. Contact: AP.Reporting@defence.gov.au (ASD, postcode 2600).
Digital Transformation Agency • Commonwealth
Standing Offer Notice SON4102906 (Digital Marketplace Panel 2). Arranged by the Digital Transformation Agency, with multi-agency access (all agencies). Includes two modules: ICT Labour Hire and Professional & Consulting Services. RFQs and contracts are managed through the Digital Marketplace at https://www.buyict.gov.au/sp. ATM ID DTA-ICT-50582. Agency Ref ID: DMP2. Procurement method: Open tender. Contact: ictprocurement@dta.gov.au (Phone: 0261208705, postcode 2600).
