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The CIM was founded in 1971 following the merger of two press organizations — DVEA (circulation control) and BSRM (audience measurement). Since then, it has grown into the reference organization for reach, characteristics, and impact of all media. It also delivers cross-media insights and conducts several target group studies.

What the CIM does

Through its studies, the CIM provides:
an objective benchmark for reach and media usage
insights into media consumption patterns and trends
reliable data for segmentation and target audience planning
transparency in circulation, distribution, and media quality

01.

Media Reach

The CIM measures how many people and which target groups use the main Belgian media — video (TV), audio (radio), (static) internet, publishing, out-of-home (OOH) billboards, and cinema.

02.

User Profiles

The CIM looks not only at how many people use a medium but also who they are (age, gender, socio-demographic characteristics…).

03.

Circulation and Distribution Control

For press media, the CIM verifies circulation and distribution; for digital media, it checks website and app traffic, among other things.

04.

Validation and Certification

The CIM can audit and certify third-party measurement methods, reach results, or segmentations to ensure the data remains reliable and objective.

05.

Ongoing and Strategic Studies

01.

Establishment Survey (ES)

an annual survey tracking trends in media devices, media use, and general media trends within households.

02.

Target Group Monitor (TGM)

a study linking media consumption to product and brand consumption, helping advertisers define target audiences precisely.

03.

Cross-Media Studies & Panels

to compare media and platforms across categories (TV, online, out-of-home, publishing, etc.) and obtain a complete picture of media consumption in Belgium.

Keyfigures

40.000

Number of interviews conducted annually by the CIM

11.825.551

Belgians represented in the virtual population (Golden Standard)

120.000

Active users of cim.be in 2025

2027

Launch of CIM ONE

40.000

Number of interviews conducted annually by the CIM

11.825.551

Belgians represented in the virtual population (Golden Standard)

120.000

Active users of cim.be in 2025

2027

Launch of CIM ONE