Factsheet & Review

iO: full service agency

iO is a European AI-native partner for design, marketing and technology. We blend design, marketing and technology to create end-to-end experiences that truly matter.

Full-service agency · 353 FTE · Antwerp

The content of this factsheet is in Dutch.

iO: full service agency

iO is active as a full-service agency since 2003. We are active in strategy, branding & identity, digital marketing and technology.
We have customers in all sectors: telecommunications and utilities, ports and aviation, education, healthcare and life sciences, professional services, agriculture, government, tourism and recreation, automotive, manufacturing, financial services, and retail.

iO is an AI-native European full-service agency, that combines creativity, technology & consultancy with a ‘digital first’ attitude.

Within our Belgian organization, iO brings together a broad range of expertise, enabling us to deliver end-to-end digital solutions. 

Our key strength lies in our ability to seamlessly integrate technology, marketing, and creativity. This allows us to approach every challenge from multiple angles and deliver solutions that are not only technically robust, but also strategically sound and creatively compelling.

  • Strategy: develop digital strategies, including market analysis, customer journey mapping, and setting clear KPIs 
  • Technology: technological solutions, such as web and mobile development, cloud services, and infrastructure 
  • Digital Marketing: SEO, SEM, social media marketing, performance marketing, email campaigns, and analytics 
  • Content creation: high-quality content, including copywriting, video production, and graphic design
  • User Experience (UX) and design: user-centric design, user research, prototyping, interface design 
  • Data & insights: data analytics, audience understanding, performance measurement, data-driven decision-making 

In addition, we are supported by approximately 1,500 colleagues across Europe (the Netherlands, Sweden, Bulgaria, and Denmark), who provide complementary and specialized expertise depending on local and international needs.

 Given our scale and breadth of expertise, iO operates across a wide range of industries. We support clients in sectors including telecommunications and utilities, ports and aviation, education, healthcare and life sciences, professional services, agriculture, government, tourism and recreation, automotive, manufacturing, financial services, and retail.

iO is one of the few agencies in the market that genuinely combines strategic thinking with end-to-end execution - from data and technology to content, design and campaign delivery - under one roof. We bring the scale of a network agency with the accountability of a dedicated partner. In a performance context specifically, this means media, analytics, CRO and content are not siloed but built to reinforce each other. iO's strength is in translating business objectives into measurable digital outcomes, not just channel metrics. And because iO works across the full funnel and customer lifecycle, performance campaigns are grounded in real customer understanding, not just paid media logic. That integrated approach is what turns short-term conversion into long-term growth.  

  • Internationale merken: Knauf Insulation, Johnson & Johnson, Daikin, Essity, Audi
  • Lokale helden: Van Hoecke, Brussels Airport, Primagaz, Destiny, Audi, Partena Professional
  • BeBat, Farmaline, Tom&co, Nationale Loterij
  • Overheden: Mechelen, Brussels Hoofdstedelijk Gewest, FAVV, FOD BOSA
Awards & Partnerships
6× IAB MIXX Awards5× Feweb Excellence Awards2× WebAward.be1× Agency of the Year1× AI Pioneer Agency1× Emerce100 - Best e-business providers in the Netherlands1× Most Valuable Professional (Sitecore)1× Splash Awards - Enterprise (Plopsa case)1× Globey Awards - Best in show (Laika13 case)1× Strategy Awards - GOLD in Behaviour (Laika13 case)HubSpot Elite
Frequently asked questions about iO
When was iO founded?
In 2005.
Where is iO located?
In Antwerpen, Belgium.
What is iO specialised in?
AI & innovation strategy, Brand strategy & positioning, Customer & audience strategy, Customer value propositions & business development, Data & martech strategy, Marketing strategy.
How big is iO?
Around 353 full-time equivalents (financial year 2024).
Which sectors does iO work for?
Hospitality & tourism, Industry & manufacturing, Public sector & non-profit, Retail & e-commerce, Healthcare & pharma.
Who are the clients of iO?
Among others Volvo Penta, Bridgestone, Farmaline, Polestar, Artipelag, AP Hogeschool, Viascore.

All factsheets

Figures from the annual accounts up to financial year 2024. Company details checked against the CBE register on 2026-10-23.