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Compare Six Six Marketing vs Zelst

Side-by-side comparison of features, pricing, services, ratings and more.

Winner
Six Six Marketing Agency logo

Six Six Marketing

Branding & Design Website

Six Six Marketing is a North East based marketing agency focusing on six key areas of marketing that bring a comprehensive strategy to small and medium-sized enterprises. The agency combines social media marketing, SEO, website strategy, PPC advertising, copywriting, content creation, and email marketing into bespoke plans. Founded in 2019, the team has over ten years of combined experience delivering growth for SMEs.

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Zelst Agency logo

Zelst

Cold Email Outreach Website

Zelst is a highly experienced search marketing agency that helps clients to be seen and get found online. They achieve substantial return on marketing investment through creative and strategic search marketing.

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Feature Comparison

Attribute Six Six Marketing Zelst
Category Branding & Design Cold Email Outreach
Rating
Winner +0.5 higher
Location Ashington, Northumberland, United Kingdom Harrogate, England, United Kingdom
Services
  • SEO
  • PPC
  • Content Marketing
  • Social Media Marketing
  • Digital Marketing
  • CRO
  • Email Marketing
  • Graphic Design
  • Data Analytics
  • Marketing Automation
  • SEO
  • PPC
  • Content Marketing
  • Social Media Marketing
  • Digital Marketing
  • CRO
  • Email Marketing
  • Graphic Design
  • Data Analytics
  • Marketing Automation
Industries
Legal
B2B Services Ecommerce Fashion Retail Food & Beverages Health & Wellness
Pros
  • Clients report clear SEO strategies and solid execution that deliver real results.
  • Transparent communication and easy collaboration with lead consultant Luke.
  • Proven ability to reduce PPC costs while increasing organic traffic and enquiries.
  • Over 15 years of experience with a proven track record of measurable results (196% visibility increase, 28x ROAS).
  • High client satisfaction with a 4.9 rating and consistent positive feedback on communication and effectiveness.
  • Full-service digital marketing covering SEO, paid media, content, and social, allowing integrated campaigns.
  • Transparent, consultative approach with a focus on metrics that matter to the client.
Cons -
  • Team size of 10-49 may limit capacity for very large enterprise accounts requiring dedicated large teams.
  • Primary geographic focus on UK and US, less suited for companies targeting other regions.
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Free Plan Available

You shouldn’t have to overpay for cold email tools. With Mystrika, you won’t.

It does cold email warmup, sequences, unified inbox, and AI writing - all in one place. Every other tool that does this charges somewhere between $100 and $500 a month. Mystrika has a free plan. 500 prospects. No expiry. No card.

The people who consistently book meetings from cold email aren’t smarter. They just stopped leaving money on the table.

See the Free Plan