MADX Digital Review: A Full-Stack SEO and GEO Partner for SaaS Brands

SaaS SEO is evolving rapidly as AI Overviews, zero-click results, and LLM answer engines change how buyers discover products. MADX Digital addresses these shifts by providing comprehensive organic growth services that combine Generative Engine Optimization (GEO) with established SEO fundamentals.

This review explains what MADX offers, who it is best for, and what to expect from its services, features, and process.

What We'll Cover

About MADX Digital

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MADX Digital, founded in 2021 and based in London, specializes in SEO and growth marketing  for SaaS and technology companies.

The agency focuses on SaaS and tech companies, offering traditional SEO, geo-targeted SEO for AI search, technical SEO, content strategy, digital PR, and link building. They emphasize an entity-first approach, scalable content systems, and transparent reporting that connects SEO work to measurable outcomes.

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MADX Digital Services

Generative Engine Optimization

Positioning GEO as a core service, MADX improves visibility in AI Overviews, LLMs, and answer engines. This work centers on entity-based optimization and AI-friendly content structure, making the brand and its pages more likely to be selected and referenced when users receive answers from AI systems.

SEO Strategy

MADX Digital’s SEO strategy is for SaaS and tech companies seeking predictable organic growth, not just one-off ranking wins. The program combines traditional SEO planning with AI-driven search, using scalable systems like topic mapping, content clusters, and keyword research aligned with SaaS user intent.

Link Building

The agency supports authority growth through link building for teams with weak backlink profiles. Outreach is part of a broader plan to increase credibility, rankings, and long-term search visibility. The work includes outreach and placements designed to strengthen rankings over time, with support for niche edits where appropriate. Link activity is positioned as part of a long-term visibility plan, not a one-off push.

Content Writing

Their content writing focuses on high-quality SEO content that supports classic search performance and modern AI-driven discovery. The work emphasizes topic depth and internal linking to strengthen relevance, improve structure, and support stronger visibility.

Digital PR

MADX runs digital PR to earn brand-led coverage and mentions that build authority beyond standard link placement. This is designed for SaaS and tech companies that need stronger credibility signals, a clearer narrative, and a more defensible presence in search. Digital PR is treated as an ongoing authority lever that complements content and technical improvements.

Who MADX Digital Works Best For

• B2B SaaS companies (SME and above) that want predictable organic growth
• Tech, fintech, crypto, and enterprise companies that rely heavily on search visibility
• Teams are experiencing declining organic visibility due to algorithm changes, AI-driven overviews, or zero-click search.
• Marketing leaders and founders who need an expert partner to scale content and technical SEO
• Teams without in-house SEO or GEO expertise needing guidance on AI-driven search and entity-based optimization

What are the Benefits of Working with MADX Digital?

MADX Digital has a current rating of 5 on Clutch based on 6 reviews.

• Strong GEO capability aimed at AI Overviews, LLMs, and answer engines
• Full-stack organic growth delivery across SEO, content, technical SEO, link building, and digital PR
• SaaS and tech specialization aligned to pipelines, buying cycles, and growth models
• Entity-first approach using structured data, internal linking, and topic depth to strengthen visibility.
• Transparent reporting with clear dashboards, consistent communication, and measurable outcomes
• Scalable content systems that support ongoing production and optimization
• Rankings guarantee: top 5 positions for 3 chosen keywords within 90 days, or a refund of the project fee excluding content and link costs (per notes)

Case Studies & Client Reviews

Case Study 1

Client name: MoonPay

Problems:

• Low volume of authoritative backlinks for enterprise-level competitiveness
• Needed global expansion into non-English regions like Canada and Brazil without a clear multilingual SEO approach
• SEO ROI unclear, with pressure to connect performance directly to revenue

Solutions:

• Revenue-first authority building: concentrated high-quality links on pages tied to commercial outcomes
• Competitive outreach strategy: used backlink gap insights to secure credible, category-relevant placements
• Thought leadership positioning: supported trust and sustained SEO performance through expert-led content
• Multilingual market expansion: localized SEO and authority efforts to win visibility across priority regions
• Digital PR: strengthened brand signals in non-English markets through market-aligned coverage

Results:

• Authority growth: 1,000+ high-quality backlinks across crypto, fintech, and tech publications over 12–18 months.
• Global expansion: Expanded into 4+ multilingual SEO markets including Germany and Brazil 
• Page-one performance: Achieved 3,000+ page-one rankings for business-critical keywords over 12–18 months.
• Traffic lift: Added +120,000 monthly organic visitors as rankings stabilized over 12–18 months.
• Continued scale: Surpassed 200,000 monthly visitors after 12–18 months through ongoing expansion.
• Authority gains: Improved domain authority, strengthening competitiveness in crypto Business impact: Made SEO a key revenue driver through an ROI-led link strategy 

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Case Study 2

Client name: Thunes

Problems:

• Key pages not showing up on Google: indexation and crawl issues limited visibility for important URLs
• Non-branded demand not converting: commercial pages were not fully aligned to how buyers search for cross-border payments
• Competitive SERPs dominated by incumbents: priority money pages lacked the authority signals to hold page-one rankings
  
  

Solutions:

• Technical fixes: removed blockers so key pages could rank
• Commercial optimisation: aligned money pages to high-intent searches
• Authority building: earned links and mentions to priority pages
  
  

Results:

• 100+ key URLs restored to search eligibility
• Page-one visibility: #1 “cross-border payment” (US), #1 “cross-border payment process flow” (US), #1 “cross-border payment solutions” (UK)
• Organic traffic: +55% from January (12.4K) to December (19.2K)
• Commercial authority gains: Nov 2024 to Sep 2025 delivered 55 premium backlinks, 550 supporting links, 75 brand mentions to commercial URLs

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Pricing & Engagement Model

MADX provides three monthly retainer options under a fully managed SEO model.

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Growth Tier (£3,750/month)

• Includes project manager, technical SEO audit, brand authority audit, keyword research and plans
• Delivers 1 SEO optimization, 2 blog posts, 5 backlinks (DR20–30+), first-month PR distribution

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Pro Tier (£5,500/month)

• Builds on Growth with monthly PM calls, more SEO optimizations and blog posts
• Adds stronger backlinks (DR30–40+), community mentions, quarterly syndication and PR distributions

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Scale Tier (£10,000+/month)

• Features weekly PM calls, 3–4 SEO optimizations, 6–8 blog posts
• Includes 10 backlinks (DR50+), 20 community mentions, monthly syndication, bi-annual PR campaigns

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Shared Benefits Across Tiers

All plans offer weekly progress updates, real-time SEO dashboard, monthly video analysis, quarterly business reviews, Slack/email support, insights newsletter, dedicated account manager, and CMS implementation.

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MADX Digital vs. Typical SaaS SEO Agencies

Many SaaS SEO agencies offer similar core services, but the difference is usually specialization, technical depth, and how well execution adapts to AI-driven search. MADX Digital stands out through GEO, an entity-first foundation, and an integrated full stack delivery model.

Where MADX Digital shines:

• GEO positioning for AI Overviews, LLMs, and answer engines
• Full-stack organic growth across SEO, content, technical SEO, link building, and digital PR
• SaaS and tech specialization aligned to pipelines and buying cycles
• Entity-first approach using structured data, internal linking, and topic depth
• Transparent reporting and analytics with clear dashboards and measurable outcomes
  Scalable content systems built for consistent production and optimization
  
  

Where a typical SaaS SEO agency may lead:

• Lower pricing or simpler packages for teams with basic needs
• Content production specialists, if you only need one service, like content production or technical clean-up
• High-volume output agencies for high-volume output using standardized processes
• Generalist agencies, if you prioritize a generalist agency across many industries
• Project-based firms, if you want short, project-based support rather than a full-stack partner

Who wins?

If your SaaS company is entering a scale-up phase and needs a long-term partner to run SEO with the right mix of content writing, technical improvements, and authority building through digital PR and link building, MADX Digital is a strong fit. They are especially relevant if your team is feeling the impact of AI Overviews, zero-click search, or shifting algorithms and needs clearer direction on what to prioritize next. Their GEO focus also supports visibility in AI-driven search and answer engines, not just traditional rankings.

Ready to accelerate your SaaS growth with content and SEO in 2026? Book a strategy call  and let us launch your journey!

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