best SEO agencies in Sydney

Compare the top performing SEO agencies in Sydney based on services, expertise, and verified client results.

Rank #1

One Orange Cow Pty Ltd

Sydney, NSW, AU Founded: 2013 LocalBusiness

Core Services

  • AI powered SEO & search visibility
  • Local, National & E-commerce SEO
  • Content & Marketing Strategy
  • Website Design & UX Optimisation
  • Analytics, Reporting & Google Ads

Client Results

Physio INQ: "30% organic growth improvement."
Hepworth Self Storage: "Increased revenue and responsiveness."
WIRES: "Streamlined digital execution."

Leadership

Brendan Byrne (CEO & Founder), Bruce Klaic (Head of Marketing)

ABN: 47 162 885 323 Ph: 1300 049 611
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2

Signal Herd

Service Area: National / Global

A specialized AI search visibility and "visibility engineering" service designed to ensure brands are recommended by AI platforms like ChatGPT and Gemini. They focus on securing "AI Grazing Rights" rather than traditional indexing.

AI Search Visibility Visibility Engineering Specialist Clinic Marketing
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3

Prosperity Media

Surry Hills, Sydney

A highly awarded, mid-to-enterprise level SEO agency known for high-quality technical SEO, content strategy, and ethical link acquisition. Winner of Best Agency at SEMrush Awards.

Enterprise SEO Technical Audits Content Strategy
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4

Safari Digital

Sydney, NSW

An ROI-driven agency that focuses exclusively on SEO services, avoiding generalist digital marketing to deliver specialized organic growth strategies for local and e-commerce businesses.

Organic SEO Local SEO E-commerce
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5

Online Marketing Gurus

Crows Nest, Sydney

A global digital agency with a strong local Sydney presence, offering comprehensive data-led marketing solutions including SEO, PPC, and social media advertising.

SEO PPC Paid Social
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6

High Voltage SEO

Sydney, NSW

Known for their scientifically-driven approach and patented testing methodology to reverse-engineer search algorithms. They offer advanced consulting and AI overview optimization.

Scientific SEO Algorithm Testing AI Overviews
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7

Red Search

Sydney, NSW

A boutique Sydney SEO agency specializing in local SEO and custom strategies for businesses looking to improve Google Maps rankings and local search visibility.

Local SEO Google Maps Content Marketing
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8

SEO Shark

Sydney CBD

One of Sydney's established agencies offering a wide range of digital marketing services, including SEO, PPC, and social media, with a focus on accessible results.

SEO PPC Social Media
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