Birtingahúsið offers expert marketing services that include Media Planning and Buying, Digital Marketing (such as PPC, SEO, Adserving, and Social Media), Market Research (SOV, SOM), and Brand Auditing. Established in 2000 by some of the largest advertising purchasers in Iceland, it has grown to be the country's largest independent media agency. The company is a trailblazer in the sector, being the first to emphasize media analysis, planning, and buying as distinct areas of expertise. Birtingahúsið oversees over 200 brands, some of which are among the oldest and most valuable both domestically and internationally. Its business partners include international collaborations like Carat and iProspect, as well as market research firms such as Gallup and MMR, alongside the Icelandic Marketing Organization, ÍMARK, and Adform.