O'Connor Marsden & Associates

Master Entity
Consultancy & LegalConstructionIT & Software
Total portfolio
$37,819,259.95
Contracts won
296
Latest win
Sept 2026
MomentumRising+61%12mo vs prior 12mo
Buyer concentration9%from Chief Minister, Treasury and Economic Development Directorate
Expiring soon17contracts up for recompete

Contract history

No contracts match those filters.

Where the revenue comes from

top 5 buyers
Chief Minister, Treasury and Economic Development Directorate$3.3M
9% of portfolio2 contracts
Department of Defence$2.9M
8% of portfolio43 contracts
Department of Health, Disability and Ageing$2.8M
7% of portfolio53 contracts
Sydney Metro$1.9M
5% of portfolio2 contracts
Department for Infrastructure and Transport$1.9M
5% of portfolio1 contract

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Open tenders matching this supplier's work

Tasmanian Government: Registration for Probity Adviser Directory

Closes: Jan 01, 2030

Consultancy & Legal

Special Consultancy Services for Studies, Assessments, Engineering Design and Implementation – MR 115/2026

Closes: Oct 14, 2026

Consultancy & Legal

Specialist Medical Advisory Services — Department of Transport and Planning

Closes: Oct 27, 2026

Health & Medical

Contract Surveillance Services Panel for Infrastructure Delivery Directorate – Main Roads Western Australia

Closes: Oct 29, 2026

Infrastructure

NSW Government Performance and Management Services Prequalification

Closes: Feb 28, 2027

Consultancy & Legal

Department of Finance Consultation — Travel and Procurement Payment Services Retender for Australian Government

Closes: Oct 16, 2026

Finance & Insurance

ICT Research and Advisory Services for Department of Justice

Closes: Oct 06, 2026

Consultancy & Legal

Standing Offer Panel for Code of Conduct and Inability Investigations

Closes: May 03, 2028

Consultancy & Legal

Aboriginal Heritage Office Service Review – 2026

Closes: Oct 06, 2026

Consultancy & Legal

Establishment of Panel for Health Technology Assessment (HTA) and Support Services

Closes: Oct 09, 2026

Health & Medical

Sydney Metro Commercial Advisory Panel - Claims, Change and Contract Management

Closes: Oct 26, 2026

Consultancy & Legal

Targeted Refresh of Queensland Professional Services Preferred Supplier Panel (GGS0111-24) for Indigenous, Social Enterprise, Regional and Veteran Suppliers

Closes: Oct 14, 2026

Consultancy & Legal

Who they are

Provide probity, audit, assurance, governance and strategic procurement consultancy services to Australian government agencies, including the Department of Defence, Department of Health, Department of Veterans' Affairs, the ATO and the ACCC.

AI summary · inferred from awarded contracts

Includes consolidated data for: CONNOR MARSDEN ASSOCIATES, O'Conner Marsden and Associates, O'Conner Marsden and Associates Pty Ltd, O'Connor Marsden, OConnor Marsden, O'CONNOR MARSDEN, O'Connor Marsden and Associated Pty Limited, O’Connor Marsden and Associated Pty Limited, O'Connor Marsden and Associates, O'Connor, Marsden and Associates, O CONNOR MARSDEN and ASSOCIATES, O'CONNOR MARSDEN AND ASSOCIATES, OCONNOR MARSDEN AND ASSOCIATES, O'Connor Marsden and Associates (OCM) Pty Ltd, O'CONNOR MARSDEN AND ASSOCIATES P/L, oconnormarsdenandassociatespty, O'CONNOR MARSDEN AND ASSOCIATES PTY, O'CONNOR MARSDEN AND ASSOCIATES PTY LIMI, O'Connor Marsden and Associates Pty Limited, OConnor Marsden and Associates Pty Limited, OCONNOR MARSDEN AND ASSOCIATES PTY LIMITED, O'Connor Marsden and Associates Pty Ltd, OConnor Marsden and Associates Pty Ltd, O'CONNOR MARSDEN and ASSOCIATES PTY LTD, O’Connor Marsden and Associates Pty Ltd (OCM), O'connor Marsden & Associates, O'Connor Marsden & Associates, O'CONNOR MARSDEN & ASSOCIATES, OCONNOR MARSDEN & ASSOCIATES, OCONNOR MARSDEN ASSOCIATES, O'CONNOR MARSDEN & ASSOCIATES (OCM), O'CONNOR MARSDEN & ASSOCIATES P/L, O'Connor Marsden & Associates Pty L, O'CONNOR MARSDEN & ASSOCIATES PTY L, O'Connor Marsden & Associates Pty Limited, O’Connor Marsden & Associates Pty Limited, O'CONNOR MARSDEN & ASSOCIATES PTY LIMITED, OConnor Marsden & Associates Pty Lt, O'Connor Marsden & Associates Pty Ltd, O’Connor Marsden & Associates Pty Ltd, O'CONNOR MARSDEN & ASSOCIATES PTY LTD, O'Connor Marsdon & Associates

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