> ## Documentation Index
> Fetch the complete documentation index at: https://kw.hellenictechnologies.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Case Studies

> Real projects, real results — measurable outcomes across every service we deliver.

Every case study below represents a real brief, a defined challenge, and a measurable outcome. We do not publish testimonials. We publish results.

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## Featured Work

<CardGroup cols={2}>
  <Card title="Knauf — Multi-Market SEO" icon="globe" color="#0445AF">
    A 14-country technical SEO overhaul and content programme that delivered 340% organic traffic growth across EMEA in 18 months. Hreflang architecture, structured data, and a content strategy built around manufacturer search intent.
  </Card>

  <Card title="Triumph — Performance Marketing" icon="trending-up" color="#0445AF">
    Restructured Google and Meta campaigns for one of Europe's leading lingerie brands — reducing CPA by 42% while increasing conversion volume by 68% across 6 markets.
  </Card>

  <Card title="Teleperformance — Analytics Infrastructure" icon="chart-simple" color="#0445AF">
    End-to-end GA4 migration and server-side tracking implementation for a global BPO leader — replacing a fragmented Universal Analytics setup with a unified measurement framework across 12 markets.
  </Card>

  <Card title="Menarini — E-commerce Platform" icon="cart-shopping" color="#0445AF">
    Custom WooCommerce build with multi-language, multi-currency support and a headless CMS for editorial teams across Italy, Greece, and Romania.
  </Card>

  <Card title="Omron — BI & Data Infrastructure" icon="database" color="#0445AF">
    ClickHouse and Metabase deployment connecting 8 data sources — giving the commercial team real-time visibility into distributor performance across Central and Eastern Europe.
  </Card>

  <Card title="Randstad — Paid Social" icon="users" color="#0445AF">
    LinkedIn and Meta campaign strategy for EMEA talent acquisition — generating qualified candidate volume at 2.1× below benchmark CPA across 5 markets.
  </Card>
</CardGroup>

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## By the numbers

<Columns cols={3}>
  <Column>
    **€300M+**
    Revenue generated for clients
  </Column>

  <Column>
    **€52.5M+**
    Ad spend managed
  </Column>

  <Column>
    **5.7×**
    Average ROAS across portfolio
  </Column>
</Columns>

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## Trusted by

M\&S · Knauf · Teleperformance · Omron · Triumph · Randstad · Menarini · MCI · Novamix · Olympus · Pressious · Xenia

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<Card title="Start your project" icon="envelope" href="/contact/introduction" color="#0445AF">
  Tell us about your challenge. We respond within 24 hours with a clear view of what is possible.
</Card>