More Than a Marketing Agency
Your Strategic Growth Partner

Hark Communications works as part of your team, helping technically minded businesses turn complex ideas into clear messages that drive growth. We support organisations in manufacturing, engineering, defence, and advanced technology, combining practical marketing with strong strategic focus.

We operate across Brisbane, Adelaide, and Sydney, working on-site with clients or supporting them remotely to provide flexible, reliable, long-term partnership.

In Our Clients’ Words

Frank Faller - CEO of Elexon Electronics

“Working with Sandra and her team at Hark Communications has been an absolute game-changer for Elexon Electronics. Their support in business growth, engagement, marketing, communications, and grant writing has been invaluable, helping us win multiple awards and raising awareness of our business and the Moreton Bay region. What truly sets Sandra and Hark apart is their deep knowledge of local businesses, their understanding of the unique needs and pain points of manufacturers, and their exceptional ability to communicate both generic and highly technical topics to a broad audience. They seamlessly integrate into our team, create meaningful connections within the industry and supply chain, and consistently go beyond traditional marketing to identify unique opportunities that drive real impact.”

Mark Shanley, Head of Sales and Marketing of Astute Global

“Astute Electronics’ entry into the Australian market has been greatly supported by having a local marketing partner who understands the unique cultural differences and key opportunities in the region. Their ability to handle local content and identify local marketing opportunities has been invaluable to our success as a UK-based company expanding our footprint in Australia”
What Makes Us Different

The Aethelon Ecosystem Advantage

Hark Communications is part of Aethelon, an Australian-owned group of Defence-aligned businesses. Working alongside technology and compliance specialists, we help organisations meet Defence requirements and turn capability into commercial results.

One Partner from Start to Finish

You work with one connected team, not multiple providers. Aethelon offers a single point of accountability across technology, compliance, and market growth, built on trust and long-term partnerships.

A Clear Path to Being Defence-Ready

Becoming Defence-ready is complex. Our coordinated approach removes the burden by covering every stage.

Creating Real Opportunity

Through our shared network across Defence supply chains, government, and industry, we help create opportunities that are difficult to access alone.

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Resilience

Secure and reliable digital environments that meet Defence expectations.

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Assurance

Compliance and credentials that demonstrate trust and meet audit and procurement requirements.

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Impact

Strategic marketing and Defence engagement that turn capability into growth.

Meet Your In-House Team

We are a distributed team of experts across Sydney, Brisbane, and Adelaide, united by a passion for technical marketing and strategic growth.

Sandra Headshot

Sandra Simpson
Founder, Director

Andrea Becket
Account Manager

Maria Vassellini
Graphic Designer

Daniel Kiesewetter
Digital Marketing Executive

Ace Erediano
Marketing Assistant

Business Development Engagement

Business development is about more than just messaging, it’s about strategy, momentum, networks and unlocking opportunity. We support your team by identifying potential partners, developing tailored communication tools, and helping you approach new relationships with clarity and confidence.

We help you shape your positioning to resonate with Defence primes, government stakeholders, and industry partners. From speaking points and capability statements to strategic follow-ups after events, we ensure your outreach feels intentional, credible, and relevant.

We’re also matchmakers, connecting businesses across our network to spark collaborations, partnerships, and new ventures. Whether you’re preparing for a pitch, nurturing a warm lead, or representing your company at an expo, we provide the insight and tools you need to move with confidence and clarity.

Book a Discovery Call