From data to delivery, from print to parcel. The Main Agency Group turns marketing ideas into flawless global execution.
The Main Agency Group combines the expertise of Mailit4U and Service Bureau Jansen into one integrated network for marketing fulfilment, print, logistics, and IT.
With over 35 years of combined experience, we help brands and agencies execute complex, personalized, and sustainable campaigns. Across Europe and beyond.
Streamlined communication and coordination for all your marketing needs.
Seamless execution across Europe and beyond with our extensive network.
ISO 9001, ISO 27001, ISO 14001 and FSQS certified for excellence and reliability.
Secure handling of your data with full regulatory compliance.
CO₂-aware processes and sustainable materials for responsible marketing.
Contact our team about your marketing fulfilment, print, logistics, or IT needs.
We handle the full execution of your marketing campaigns – across all touchpoints.
From personalized mailings and packaging to automated fulfilment and real-time tracking.
Direct marketing campaigns, marketing fulfilment, warehousing, returns, global shipping.
Personalized print, hybrid mail, on-demand production.
Secure data flows, integrations, and campaign dashboards.
End-to-end coordination and execution for agencies and brands.
We work with international brands, agencies, and non-profits that demand precision, reliability, and scalability.














| We offer | You gain |
|---|---|
| One network for print, fulfilment & data | Fewer suppliers, one point of control |
| International logistics capacity | Seamless cross-border execution |
| Certified & sustainable processes | Lower footprint, higher trust |
| White-label partnership | Your brand, perfectly executed |
Are you a specialist in fulfilment, print, packaging, IT, or campaign production? We’re expanding our network with partners who share our drive for quality and innovation.
Work on campaigns for leading brands across Europe and beyond.
Partner with the best in the industry on high-impact campaigns.
Benefit from collective expertise and cutting-edge solutions.
Join a network committed to responsible and forward-thinking practices.
Whether you’re an agency looking for a reliable production partner, or a brand ready to scale internationally — we’re here to make it happen.