forecast / digital display ads transacted or fulfilled via automation, including everything from publisher-erected APIs to more standardized RTB technology; includes native ads and ads on social networks like Facebook, Snapchat, and twitter; includes advertising that appears on desktop/laptop computers, mobile phones, tablets, and other internet-connected devices
Supplementary notes
* Includes ads transacted through an invitation-only RTB auction where one publisher or a select group of publishers invite a select number of buyers to bid on its inventory.
** Includes ads transacted through a public real-time bidding (RTB) auction in which any buyer or seller can participate, also known as open auction or open marketplace.
Citation formats
Programmatic digital display ad spend in the UK 2021, by transaction method
With **** billion British pounds, directly sold programmatic digital display ads were expected to attract the largest ad spend in the United Kingdom (UK) in 2021. Programmatic digital display ads sold through private marketplaces and open exchanged were forecast to attract **** and **** billion British pounds, respectively.
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eMarketer. (January 29, 2021). Programmatic digital display advertising spending in the United Kingdom (UK) in 2021, by transaction method (in billion GBP) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 15, 2026, from /statistics/467680/digital-display-ad-sales-by-method-uk/
eMarketer. "Programmatic digital display advertising spending in the United Kingdom (UK) in 2021, by transaction method (in billion GBP)." Chart. January 29, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 15, 2026. /statistics/467680/digital-display-ad-sales-by-method-uk/
eMarketer. (2021). Programmatic digital display advertising spending in the United Kingdom (UK) in 2021, by transaction method (in billion GBP). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 15, 2026. /statistics/467680/digital-display-ad-sales-by-method-uk/
eMarketer. "Programmatic Digital Display Advertising Spending in The United Kingdom (Uk) in 2021, by Transaction Method (in Billion Gbp)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 29 Jan 2021, /statistics/467680/digital-display-ad-sales-by-method-uk/
eMarketer, Programmatic digital display advertising spending in the United Kingdom (UK) in 2021, by transaction method (in billion GBP) ÌÇÐÄÆƽâ°æ, /statistics/467680/digital-display-ad-sales-by-method-uk/ (last visited July 15, 2026)
Programmatic digital display advertising spending in the United Kingdom (UK) in 2021, by transaction method (in billion GBP) [Graph], eMarketer, January 29, 2021. [Online]. Available: /statistics/467680/digital-display-ad-sales-by-method-uk/
