In Melbourne’s ever-evolving digital landscape, ranking high on Google isn’t just about visibility—it’s about credibility, growth, and long-term brand success. With hundreds of businesses vying for attention online, SEO (Search Engine Optimisation) has become an essential tool for achieving consistent, organic reach. As Melbourne continues to develop into a thriving hub for digital innovation, a number of agencies have emerged, each offering unique expertise, data-driven strategies, and a strong record of success. In this blog, we explore the top five SEO agencies in Melbourne, providing insights into their founding history, address, key highlights, and what makes them stand out.

1. OptiRank

Founded: 2025
Website: www.optirank.com.au
Address: Melbourne, Australia

Highlights:

• Melbourne-based SEO and digital marketing agency specialising in data-backed organic growth and ROI-focused campaigns.
  
  

• Offers services in technical SEO, on-page and off-page optimisation, and local search visibility.
  
  

• Known for transparent reporting and tailored strategies that prioritise sustainable ranking improvements.
  
  

Why it stands out:
OptiRank distinguishes itself through its emphasis on measurable outcomes and ethical SEO practices. By combining analytics-driven insights with local expertise, it delivers consistent long-term growth for clients across industries.

2. Alley Group

Founded: 2014
Website: www.alleygroup.co
Address: Suite 1, Level 2, 230 Balaclava Road, Caulfield North VIC 3161, Melbourne, Australia

Highlights:

• Data-first, enterprise-grade SEO services with advanced technical audits, migrations, and international/local strategies.
  
  

• Recognised with multiple industry awards, including International SEO Awards and Google Premier Partner recognition.
  
  

• Global presence spanning over 30 countries while maintaining a strong Melbourne office.
  
  

Why it stands out:
Alley Group combines technical SEO precision with performance-based strategies designed to drive real business results. Its data-centric approach ensures campaigns are always aligned with measurable KPIs.

3. Supple Digital

Founded: 2012
Website: www.supple.com.au
Address: 84 Church Street, Richmond VIC 3121, Melbourne, Australia

Highlights:

• Full-service digital marketing agency with deep expertise in SEO, SEM, and social media marketing.
  
  

• Recognised in the Deloitte Technology Fast 50 and BRW Fast 100 for exceptional growth.
  
  

• Serves over 2,000 clients nationwide across diverse industries.
  
  

Why it stands out:
Supple Digital provides scalable SEO strategies suitable for small to medium-sized businesses seeking steady organic growth. Its results-driven focus and wide service range make it a reliable long-term partner.

4. SIXGUN

Founded: 2017
Website: www.sixgun.com.au
Address: Unit 7/1 Bromham Place, Richmond VIC 3121, Melbourne, Australia

Highlights:

• Boutique SEO-only agency focusing on technical SEO, e-commerce, and local business optimisation.
  
  

• Provides customised strategies and transparent, detailed reporting.
  
  

• Known for its collaborative approach, treating clients as strategic partners.
  
  

Why it stands out:
SIXGUN is best suited for brands that value personal attention and technical excellence. Its focused, SEO-exclusive model ensures every campaign is precise, data-driven, and effective.

5. King Kong

Founded: 2014
Website: www.kingkong.com.au
Address: South Yarra, Melbourne, Australia

Highlights:

• Renowned Australian growth marketing agency that blends SEO with conversion optimisation and funnel strategy.
  
  

• Works with both SMEs and enterprise clients to deliver measurable ROI.
  
  

• Known for fast, aggressive, and data-backed growth marketing.
  
  

Why it stands out:
King Kong offers more than traditional SEO—it delivers full-funnel growth strategies that integrate search, sales, and digital performance for rapid business expansion.

Compariosn Table

Conclusion

Finding the right SEO agency in Melbourne depends on your business goals, budget, and desired level of involvement. Some firms specialise in large-scale enterprise SEO, while others excel in local search, technical optimisation, or broader digital marketing strategies. The best results come from partnering with an agency that not only understands your market but also prioritises measurable growth, transparency, and long-term success. By evaluating each agency’s methodology and communication style, you can confidently choose a partner that elevates your brand’s visibility and drives sustainable online performance.