The SIRIUS Story
SIRIUS was created to solve one problem: businesses invest heavily in digital channels but struggle to see predictable returns.
We operate at the intersection of strategy, technology, and performance. Our work is built around systems, not campaigns. Every solution we design is tied to measurable outcomes such as search visibility, lead quality, conversion efficiency, and revenue impact.
Behind SIRIUS is a team focused on execution-first growth.
We engineer SEO, AI-driven workflows, web infrastructure, and performance marketing with one objective in mind: ROI. No decorative metrics. No theoretical frameworks. Only what improves acquisition, retention, and scale.
We partner with brands that value clarity and accountability. Every action is planned, tracked, optimized, and justified by data. SIRIUS exists to turn digital spend into controlled, compounding business growth.
Team SIRIUS
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Jen Harris
Partner
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Jeroen Leeuw
Partner
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Sheryl Bates
Partner
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Our Approach
SIRIUS follows a structured, execution-driven approach to digital growth. We start by understanding the business model, revenue drivers, and bottlenecks that limit scale. Strategy is never built in isolation. It is aligned with how the business actually acquires, converts, and retains customers.
Our approach is system-oriented. Search, web, automation, and performance channels are designed to work together, not as independent services. Every component is mapped to a clear objective, measured through defined KPIs, and optimized continuously based on real performance data.
What sets SIRIUS apart is discipline. We do not rely on assumptions or trends. Decisions are backed by analytics, technical audits, and controlled experimentation. The result is a predictable growth framework that prioritizes efficiency, accountability, and long-term ROI.
Us in Numbers
$100M+
Clients’ Income during the Last Quarter
5
Industry Awards
355
Business Partners in over 30 Countries
27
Years of Experience