Lobbying clients – O

63 clients starting with O and the lobbying firms that represent them.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0–9

ClientLobbying firm(s)
Oasis Building Group Pty LtdMarkstone Group Pty Ltd
Obesity AustraliaMedia and Public Affairs Australia, The Shape Agency
Ocean Modules Sweden ABSeismic Asia Pacific Pty Ltd
Ocean Power TechnologiesLunik Pty Ltd
OCEAN WINDS AUSTRALIA PTY LTDTG Public Affairs Pty Ltd
OCTOPUS INVESTMENTS AUST PTY LTDEmerald House Advocacy Pty Ltd
Odyssey Health GroupStaerk Solutions Pty Ltd
OET Australia & New ZealandDPG Advisory Solutions
OFFICEWORKS LTDHorizon GR Pty Ltd
Offshore Gippsland DevelopersCollective Position Group Pty Ltd
OffsiteCGM Communications Pty Ltd
Ohana for YouthJutsum Advisory Pty Ltd ATF Jutsum Family Trust
OHO PTY LTDHawker Britton Group Pty Ltd
Older Persons Advocacy Network Ltd (OPAN)H/Advisors ANZ Pty Ltd
Olivia Newton John Cancer and Wellness Research CentreMedia and Public Affairs Australia
Olyx Oil Pty LtdRichardson Coutts Pty Ltd
Omega Oil and GasPolicyWonks
OMERS Administration CorporationS A McSweeney & Associates Pty Limited
OmniGripEH Advisory
OmniSpaceComsult(Aust) Pty Ltd
Oncobeta Therapeautics Pty LtdPORTOLESI, GRAZIELLA
One GippslandCollective Position Group Pty Ltd
One in 5000 Foundation IncGregory Robert Male
ONE RESPONSE PTY LTDPrecision Public Affairs Pty Ltd
Online Hate Prevention Institute (OHPI)First Tier Media Pty Ltd
Only About ChildrenDelta Advisory Pty Limited
Opal HealthCareHawker Britton Group Pty Ltd
OPENAI AUSTRALIA PTY LTDHanbury Strategy and Communications (ANZ) Pty Ltd
Opteon Property Group Pty LtdWatson Advisory Australia
Optiver Pty LtdDPG Advisory Solutions
Optometry AustraliaNational Advisory Pty Ltd
OptusTG Public Affairs Pty Ltd
Oral Health Care Training and EducationHawkshaw Pty Ltd
Oral Tech Al Pty LtdHawkshaw Pty Ltd
Oran Safety GlassIntercorp Pty Ltd
Orange Credit Union LtdSapphire Executive Business Services
Orange Local Aboriginal Land CouncilThe Shape Agency
Orbis OperationsTG Public Affairs Pty Ltd
Organon Pharma Pty LtdSEC Newgate Pty Limited
OricaDPG Advisory Solutions
Orion Sovereign Group Pty LtdBurbank Martial Pty Ltd
Orora LimitedTG Public Affairs Pty Ltd
OroraTech GmbHStirling Advisory Pty Ltd
Orpharma Pty LtdKirchmann Management Consultants Pty Ltd
Orr PartnersTG Public Affairs Pty Ltd
Oryx Communities Australia Pty LtdPurple Communications Australia Pty Ltd
Osaka Gas AustraliaA.GR Advisors Pty Ltd
Osaka Gas Australia Pty LtdCorporate Affairs Australia Pty Ltd
OSGLeonis Advisory
OTR GroupYork Park Group Pty Ltd
Otway PorkBalliang Consulting
Our Ways Strong TogetherThe Shape Agency
OURANOS SYSTEMS PTY LTDHeimdall Consulting Pty Ltd
Outdoor Council of AustraliaJO SCARD PTY LTD
Outdoor Media AssociationWerri Consulting
Outer Melbourne CouncilsThe Agenda Group Pty Ltd
Outside School Hours Council of Australia LtdGRACosway Pty Ltd
Ovarian Cancer Australia LimitedGRACosway Pty Ltd
OVARIAN CANCER RESEARCH FOUNDATION LIMITEDHawker Britton Group Pty Ltd
OX2 HOLDINGS AUSTRALIA PTY LTDTG Public Affairs Pty Ltd
OYO CorporationSeismic Asia Pacific Pty Ltd
OzHarvest LimitedEJF Advisory Pty Ltd
O’Brien Glass Industries LimitedNexus APAC Pty Ltd

Source: Australian Government Register of Lobbyists, with website matching and summaries added by Political Gadgets. Last updated 23 Sep 2026. Offered 'as is' under CC BY-NC 4.0.