Byyd
Byyd was a UK-founded mobile advertising buying platform, formerly known as Adfonic, that provided access to mobile web and in-app advertising inventory.
Last updated August 26, 2026
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Overview
Byyd was a mobile advertising technology company founded in 2008 by Victor Malachard, Paul Childs and Wesley Biggs. It began under the name Adfonic and launched its service in July 2009, at a time when mobile advertising was developing from a specialist channel into a broader component of digital media planning. The company positioned itself as a buying platform for advertisers and agencies, providing access to mobile web and application inventory across international markets. The business obtained external funding in 2010 and 2011 and received recognition within the UK technology and startup ecosystem. In April 2011, it was the only mobile advertising company to reach the final stage of The Daily Telegraph's Tech Start Up 100 list. Later that year, it won the Angel or VC-Backed Business of the Year category at the Startups Awards. These milestones reflected the growing commercial interest in mobile advertising and the company's effort to establish itself as an independent technology provider rather than merely an advertising reseller. A major product development came in October 2012, when the company introduced Madison, described as a mobile demand-side platform. A DSP allows advertisers or agencies to manage the purchase and optimization of digital advertising inventory through software. Madison therefore represented an expansion of Adfonic's role toward automated and technology-enabled media buying, supporting the company's broader ambitions in mobile advertising infrastructure. In March 2014, Adfonic changed its name to Byyd. The rebrand reorganized the company's commercial proposition around two principal offerings. Byyd pro was presented as a software-as-a-service solution, while Byyd media was a managed service for planning and executing mobile advertising campaigns. This structure separated self-service or software-led capabilities from campaign support and execution, allowing the brand to address clients with different levels of internal media-buying expertise. Byyd ultimately did not remain an operating business. It filed for administration in April 2016 and ceased trading approximately one month later. No continuing parent company, successor brand, or current operating website is identified in the available reference material. Byyd is therefore best understood as a defunct mobile advertising technology brand whose history tracks the early professionalization of mobile media buying, from campaign access and inventory aggregation toward demand-side platforms and managed programmatic-style services.
History
Byyd was established in 2008 by Victor Malachard, Paul Childs and Wesley Biggs. The company initially operated as Adfonic and launched its mobile advertising service in July 2009. Its business addressed the emerging need for advertisers and agencies to buy advertising placements across mobile websites and applications through a dedicated technology platform. Rather than focusing on a single publisher or media property, the service provided access to broader mobile inventory and was designed for campaign buying in an increasingly international market. The company raised funding in 2010 and 2011. During this period, mobile advertising was gaining visibility as smartphone adoption and app usage expanded. Adfonic's profile rose within the UK startup sector: in April 2011 it was the only mobile advertising company reported to have reached the final of The Daily Telegraph's Tech Start Up 100. In December 2011, it won the Angel or VC-Backed Business of the Year category at the Startups Awards. These achievements helped establish the company as a notable specialist in mobile advertising technology, although the available material does not identify the amount of funding or the names of its investors. In October 2012, Adfonic released Madison, a mobile demand-side platform. The product signaled a move toward a more software-centric model in which advertisers and agencies could manage mobile media purchasing through a dedicated technology layer. The launch also reflected the industry's shift from manually arranged mobile placements toward more automated buying and campaign-management processes. In March 2014, Adfonic changed its name to Byyd. The new brand divided the business into two complementary offerings. Byyd pro was a software-as-a-service product, while Byyd media was a managed solution covering the planning and execution of mobile advertising campaigns. The distinction allowed the company to present both a technology product and a service-led route for clients that wanted assistance with media strategy and campaign delivery. The business later entered financial difficulty. Byyd filed for administration in April 2016 and ceased trading around a month later. The available reference material does not document a subsequent acquisition, restructuring into a continuing successor, or a surviving consumer-facing brand. Byyd's operating history consequently ended as a relatively early mobile advertising technology venture. Its development nevertheless illustrates several stages in the mobile advertising sector: the aggregation of mobile web and app inventory, the emergence of specialist buying platforms, the adoption of demand-side technology, and the combination of self-service software with managed media services.
- 2016
Administration and closure
[1]Byyd filed for administration in April and ceased trading approximately one month later.
- 2014
Adfonic rebrands as Byyd
[1]The company adopted the Byyd name and organized its offer around byyd pro and byyd media.
- 2012
Madison DSP released
[1]Adfonic introduced Madison, a mobile demand-side platform.
- 2011
Further funding and industry recognition
[1]The company secured additional funding, reached the final of The Daily Telegraph's Tech Start Up 100, and won an award at the Startups Awards.
- 2010
Funding secured
[1]Adfonic secured external funding during 2010.
- 2009
Adfonic service launches
[1]The company's mobile advertising service launched in July under the Adfonic name.
- 2008
Company founded
[1]Victor Malachard, Paul Childs and Wesley Biggs founded the business that later became Byyd.
Products and positioning
A technology-led mobile advertising platform serving advertisers and agencies through software, inventory access, and managed campaign services.
Mobile demand-side platform · 2012
Madison
Madison was released in October 2012 as Byyd's mobile demand-side platform, initially developed under the Adfonic name. It was intended to give advertisers and agencies a software-based mechanism for purchasing mobile advertising inventory. Its introduction expanded the company beyond basic inventory access and into the technology infrastructure used to plan, buy, and manage mobile campaigns.
Advertising software as a service · 2014
byyd pro
byyd pro was the software-as-a-service component introduced as part of the 2014 rebrand. It represented the self-service or technology-led side of the company's proposition, allowing clients to use Byyd's mobile advertising capabilities through a software product rather than relying exclusively on a managed media team.
Managed mobile advertising · 2014
byyd media
byyd media was the managed-service offering created during the 2014 reorganization. It covered the planning and execution of mobile advertising campaigns, complementing the software-focused byyd pro product. The offering was aimed at advertisers and agencies seeking assistance with campaign strategy, media planning, and operational delivery.
Brand decisions
2016
Administration and cessation of tradingOtherBackground
Byyd experienced financial difficulty after operating as a mobile advertising technology and managed-services business.
Action taken
The company filed for administration in April 2016 and ceased trading about a month later.
Aftermath
Byyd became defunct, with no continuing operation or successor identified in the available source material.
2014
Rebrand from Adfonic to ByydStrategyBackground
The company sought to present a clearer structure for its software and managed-service activities.
Action taken
Adfonic changed its name to Byyd and divided its offer between byyd pro, a software-as-a-service solution, and byyd media, a managed mobile campaign service.
Aftermath
The rebrand established the company's final reported commercial architecture before it entered administration in 2016.
2012
Launch of the Madison mobile DSPProduct launchBackground
Adfonic was operating in a mobile advertising market that was moving toward more automated and software-mediated media buying.
Action taken
The company released Madison, a mobile demand-side platform for mobile advertising purchases.
Aftermath
The launch broadened the company's product scope from mobile inventory access toward demand-side advertising technology.
Recent events
- 2016
Byyd files for administration[1]
Bankruptcy
Byyd entered administration in April 2016, marking the beginning of the company's closure as an operating mobile advertising business.
- 2016
Byyd ceases trading[1]
Bankruptcy
The company stopped trading approximately one month after filing for administration.
- 2014
Adfonic rebrands as Byyd[1]
Other
Adfonic adopted the Byyd name and reorganized its commercial offering around the byyd pro software service and byyd media managed service.
- 2012
Byyd launches Madison mobile demand-side platform[1]
Product launch
The company introduced Madison, a mobile demand-side platform intended to support software-based purchasing of mobile advertising inventory.
- 2011
Byyd reaches the final of the Telegraph Tech Start Up 100[1]
Other
Byyd, then operating as Adfonic, was reported as the only mobile advertising company to reach the final of The Daily Telegraph's Tech Start Up 100.
- 2011
Adfonic wins Angel or VC-Backed Business of the Year[1]
Other
The company received the Angel or VC-Backed Business of the Year award at the Startups Awards.
Sources1 sources
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