We are the largest global independent digital agency that plans, buys and sells all forms of digital media transparently and agnostically. With our head office based in London’s ‘silicon roundabout’, we offer display, social, native and video planning, buying and selling across all devices, from mobile to digital out of home. Our team now covers 3 time zones across the globe.

A mix of strategists, analysts and technology experts from direct response and branding backgrounds, we have been disrupting the digital landscape since our launch at the turn of 2013. Accountability is the heartbeat of our agency.

Our candidness and transparency has made us the agency of choice for fashion, luxury, entertainment, lifestyle, FMCG, technology and automotive brands. Whether we are running a seven figure global campaign, or shoestring budget for a start up, our approach remains the same – we thrive on solving business problems.

Contact us to find out how we can help you.


Lisa Menaldo

Chief Revenue Officer
Chalk Global

Starting as Sales Manager at IPC Media (now Time Inc UK), Lisa has amassed over 20 years’ experience in the advertising sector. In her previous position as UK Managing Director for Sublime Skinz, Lisa played a key role in bringing the company’s innovative skin-based offering to an international audience. Lisa also held the position of Managing Director at the international programmatic trading company, Bannerconnect, where she ensured a continual flow of agency business after its merger with Xasis, part of GroupM, by supporting the redesign and development of innovative tools. Lisa has now joined the Chalk Global team as Chief Revenue Officer drawing upon her substantial integrated and advertising insight, as well as her deep knowledge of display and talent for strategy, delivering consistent and tangible results.

Neil Kettleborough

CCO & Co-Founder
Chalk Global

Working in online media for 13 years on publisher, network, DSP, exchange and ad serving technologies. A best of breed digital technology expert. There is nothing Neil does not know about the RTB eco system. Previous positions include UK Director of Trading at MediaMind, Head of EMEA Trading at OpenX, and Head of Digital and Strategy at Mexad/DataXu.

Davina Dunlea

CEO & Co-Founder
Chalk Global

12 years multi channel digital experience across fortune 500 brands. CEO and Co-Founder of Chalk Global, the largest global independent digital agency that plans, buys and sells all forms of digital media transparently and agnostically. Professional accolades include Media Week’s 30 under 30 Winner 2010 and London Loves Business Excellence Winner 2015. Chalk Global is a top 10 Elite Agency as ranked by The Drum, and services global brands such as Universal Music and Swarovski.


Social: The Key To Learning

Neil Kettleborough, Co-founder at Chalk Social, explains why social media holds the key to providing hyper-targeted content that extends brands’ reach Based on London’s Silicon…


Retargeting Explained

Davina Dunlea, CEO at Chalk Social, examines the role retargeting can play within your marketing mix Numerous studies have shown…


Davina Dunlea, MD at Chalk Social

Davina Dunlea, MD at Chalk Social Davina Dunlea, Managing Director at Chalk Social, will be among the speakers at the…