A Media Agency That Works Inside-Out
AdUnion is an independent Australian media agency. We immerse ourselves in our clients’ businesses, close enough to understand how they make money, and we hold ourselves accountable for the media that grows it.
We plan and buy in-house, dealing directly with publishers and networks, and we measure our work against your commercial outcomes. We are transparent about what the media costs and how we are paid, and we invest your budget as if it were our own.

What we believe
How we work with our clients
- We put our clients’ ambitions first.
- We listen, we ask questions, and we get under the skin of your business.
- We immerse ourselves in your business.
- We’re transparent and clear in our dealings.
- We invest your budget like it’s our own.
- We revel in the successes of our clients.
- We’re invested in long-term success.
Our values
These are the values we work by, and we look for clients and partners who share them.
Integrity
- Respect always
- We treat everyone with dignity.
- Trust first
- We assume good intent and act with it.
- Voice disagreement
- We speak the truth, even when it is difficult.
Impact
- Bias for action
- We choose speed over flawless execution.
- Be the driver
- We make things happen rather than waiting to be told.
- Relentless solutions
- We solve problems with grit and creativity.
Curiosity
- Learn fast
- We have an insatiable appetite for knowledge.
- Own your growth
- We drive our own development.
- Seek debate
- We look for alternate perspectives, and stay humble enough to change our thinking.
- Evolve
- We embrace new tech and data to work smarter.
Celebration
- Recognise the grind
- We value the effort as much as the achievement.
- Authenticity matters
- We celebrate who people are, not just what they do.
- Enjoy the ride
- We love what we do and have fun doing it.
The team
The people you'll work with
The senior people you meet at the start stay on your business day to day.

Robert Ong
Managing Director

Adam Shalagin
Director

Siddarth Bhakay
Head of Digital

Roslyn Salisbury
Account Director

Ellie Nethersole
Account Executive

Charles McCormack
Campaign Executive