Performance Marketing Consultancy

We Build Growth Engines for Ambitious Brands.

Diligent Digital connects paid advertising, SEO, and data infrastructure into a single, measurable growth system. No vanity metrics. No black boxes. Just results you can track to the euro.

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✓ 15+ Years Optimising Google Ads ✓ Meta Certified Marketing Developer ✓ GA4 & Server-Side Tracking ✓ IBM Data Science Certified

What We Do

Four Disciplines. One Goal.

We don’t silo your marketing. We engineer the full system — from first click to last attribution signal.

Paid Advertising

Google, Meta, Microsoft, TikTok. Campaign architecture, feed management, bid strategy, and creative testing — all optimised toward margin, not vanity ROAS.

SEO

Technical audits, content strategy, Core Web Vitals, and behavioural signal optimisation. We build sustainable organic growth that compounds over time.

Tracking & Analytics

GA4, Piwik PRO, Google Tag Manager (web & server-side). Privacy-compliant measurement that gives you clean, actionable data — not noise.

Data & Privacy

First-party data strategy, consent management, and GDPR-compliant analytics architecture. Build a measurement foundation that works in a cookieless world.

Case Study

How we turned €200K/month in ad spend into a margin-growth engine.

A French e-commerce brand was spending at scale with no visibility into which campaigns were actually profitable. We rebuilt their entire measurement and paid media architecture from the ground up.

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€200K+

Monthly Ad Spend Managed Across All Channels

+50%

Gross Margin Growth Year over Year

3.0x

Margin ROAS target applied across every campaign — PMax, Shopping, Search, and Demand Gen — high-margin products prioritised at every level

34%

Of revenue driven by products invisible to Google's attribution — uncovered and corrected

Most Agencies Manage Campaigns. We Build Systems.

The difference between a campaign manager and a growth partner is data infrastructure. We make sure every euro you spend is measurable, attributable, and optimised — at the margin level, not the revenue level.

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