About OneSource
At OneSource, we are redefining how modern marketing teams operate. Born out of decades of industry frustration and enterprise experience, we built the ultimate tool to make marketing workflows easier, more efficient, and genuinely enjoyable.
We don't just optimize processes—we are Building Agentic Marketing Workflows for Clients to turn complex, data-driven decisions into seamless daily execution.
Meet Our Co-Founder
Kate Gamble
Co-Founder & Director
Kate Gamble built OneSource to solve a problem she lived through for two decades: the persistent pain of making truly data-driven decisions in complex marketing environments.
Before founding OneSource, Kate spent 20 years running marketing technology at the highest levels of the industry. As the former Group Chief Customer Officer at Omnicom Australia, she led extensive teams to deliver sophisticated marketing services and solutions for over 50 enterprise clients across diverse verticals—including travel, finance, marketplaces, retail, and publishing.
Kate is a seasoned entrepreneur with a proven track record of success, including a successful company exit. Her leadership and contributions to the industry have been widely recognized:
Marketing Academy Scholar
B&T Grand Prix Recipient
Women Leading Tech Finalist
Our Mission
OneSource is no longer just a conceptual dream—it is a reality. We bridge the gap between heavy marketing tech stacks and human-centric efficiency, empowering teams to cut through the noise and focus on what truly drives growth.
Ready to work from
OneSource?
See owned, earned and paid in one graph, and meet the agents that turn
it into work done. Book a 20-minute demo.
Marketing intelligence across owned, earned and paid, with an agentic workforce that gets it done.
COMPANY
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