Fourteen UK agencies have been named on Facebook's Preferred Marketing Developers (PMD) directory.
The PMD programme certifies agencies for their capabilities in apps, page management, ads and insights tools and services. Those who make the list can use it as a spur to generate leads and investment and wear their accreditation as a badge on their website.
In total there are 233 companies on the list from all over the world. You can see those from the UK below:
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