Digital Marketing Built to Deliver Measurable Growth
Sentius is a full-service digital marketing agency in Melbourne and Sydney — strategists and high-level thinkers backing every campaign with a strategy-first™ approach, not just execution for its own sake.
What is a Full-Service Digital Agency?
A full-service digital agency manages every digital marketing discipline — strategy, SEO, paid search, paid social, email and web — under one roof, rather than a business needing to coordinate multiple specialist vendors separately. The advantage is a single, consistent strategy behind every channel instead of disconnected campaigns working against each other.
Sentius is a full-service digital agency for Melbourne and Australian businesses — every discipline below is delivered in-house, by our own team, not outsourced.
Our Digital Agency Services
SEO
Strategy-first SEO campaigns, built on workshop-based discovery before any technical or content work begins.
Paid Search Advertising
Google Ads search, shopping, display, remarketing and Microsoft Ads — strategically built to generate awareness, leads and sales.
Paid Social Advertising
Targeted campaigns across Facebook, Instagram, TikTok, LinkedIn and beyond, built around the broader customer journey, not just individual channel metrics.
Email & Automation
Personalised email marketing and automation that guides customers from enquiry to conversion, in-house from strategy through to execution.
Content & Organic Social
Content strategies for SEO and social media that are consistent, engaging and optimised — built by an in-house content team.
Why Choose Sentius?
Strategy-first™ means the right campaign approach and better results, every time
Best-practice, ethical techniques with fully transparent reporting
Integrated strategies covering the entire customer journey, across every device and channel
Proven campaign performance across a genuinely diverse range of businesses and industries
Detailed reporting and regular strategic performance review meetings
No fixed or minimum-term lock-in contracts
Results We've Delivered
Wattle Supplements
800% return on investment from strategy-first™ Google Ads campaigns, before needing to expand storage capacity to meet demand.
Urban Rest
Over 40% CPA reduction from a Search campaign built to capture local, long-stay accommodation demand during a period of rapid global expansion.
HeadBox
A robust content strategy built around our Dynamic Optimisation Method, after a previous agency's link-heavy approach collapsed on termination.
Carpet Call
Carpet Call are a family owned and operated franchise Business, who have a well-established Brand Equity in the flooring and blinds market.
Athlegen
Targeted prospecting, retargeting and Performance Max campaigns showcased Athlegen’s custom range and drove online sales and showroom enquiries.
By Charlotte
Sentius helped by charlotte cut through competition with emotional digital storytelling, retaining customers and expanding into new markets.
Frequently Asked Questions
What's the difference between a full-service agency and a specialist agency?
A full-service agency manages every aspect of your brand's growth under one roof—from strategy, creative, and web development to performance media and SEO—ensuring seamless alignment and single-point accountability. Specialist agencies focus deeply on only one channel, often creating silos.
Do you work with businesses that already have an in-house marketing team?
Yes, absolutely. We frequently collaborate with in-house marketing teams, functioning as strategic partners or executing high-level campaigns, technical SEO, and development tasks that require external capacity or specialized technical expertise.
Which industries do you work with?
We work across a diverse range of business-to-business (B2B) and business-to-consumer (B2C) sectors, including e-commerce, home building and construction, professional services, hospitality, wellness, and luxury retail.
Is there a lock-in contract?
Our priority is to deliver measurable value and return on investment. While ongoing growth strategies perform best over defined roadmaps, we offer transparent terms and flexible retainer structures tailored to your business goals.