HdK brings together 25 years of arts marketing experience with a team of specialists including web designers, a social media expert, web programmers, animators and a film maker to offer solutions in all aspects of digital marketing.


Digital strategy
and campaigns


Web development
and hosting


Creative solutions
and design


Social media


Film and

Over the years we have worked with a variety of clients, inlcuding:

  • Artis Foundation
    Arts Marketing Association
    Arts Council England
    BBC Worldwide
    Bernie Grant Arts Centre
    British Street Food
    Cheek By Jowl
    Chisenhale Dance Space
    Dance Consortium
    Dance Umbrella
    Drake Music
    English National Ballet School

  • English Touring Theatre
    Gary Clarke UK
    Greater London Authority
    Jasmin Vardimon
    Kymberly Wyatt Dance Academy
    Les Ballet Trockadero de Monte Carlo
    London Theatre Booking
    NHS (various trusts)
    One Dance UK
    Opera Rara
    Polka Children’s Theatre
    Protein Dance

  • Regent’s Park Open Air Theatre
    Rudolph Nureyev Foundation
    Salisbury International Arts Festival
    Shared Experience Theatre
    Spitalfields Music Festival
    Target Live
    Theatre Royal Windsor
    The Space
    Tom O’Connell Productions
    Vincent Dance Theatre
Meet the Team

Hans de Kretser
Director and Project Manager

Hans has a background working in arts organisations like English National Opera and Sadler's Wells where he specialised in digital marketing when it all started. Since then he's helped over three hundred arts organisations with their online presence.


Raf Malanga
Creative Director

Raf has been part of HdK Associates for over 10 years. An MA graduate from Central Saint Martins, Raf specialised in Communications Design and Digital Media. He understands all aspects of web design, including user experience and accessibility.


Sophia Sharpley
Social Media and Digital Arts Marketer

Sophia manages the social media campaigns and advertising strategies for our clients at HdK. She has an extensive background in marketing, working predominantly in the Not-For-Profit and Arts sector.


Rochelle Chambers

Rochelle works closely on campaigns, social media strategies and updating websites. She's also a friendly voice on the telephone. Rochelle has always had a passion for the arts, having performed in several pieces.


Jamie Grantham-Burton
Web Developer

Jamie studied Music at University, followed by Web Development at General Assembly, London. His aim is to combine the two disciplines, using technology to solve problems and creating for the Arts sector. Previous to honing code, he lived in Asia for two years teaching and travelling.


Leonardo Collina
Senior Designer

Leonardo is a senior graphic designer with nine years experience in the creative industry specialising in editorial, typesetting and layout, branding. His work has been featured in Vogue, Cosmopolitan, Time Out London as well as on design platforms like Creative Review and Design Week.


Peter Blach
Film & Editing

Peter has been filming and editing trailers and features for HdK for over 12 years. He began his career in the UK TV industry in 1995 and progressed into production and worked on reality TV, short documentaries and film productions as well as making films for the public, arts and corporate sector sector.


Kate Sarley
Finance Manager

Working for organisations such as Theatre Royal Stratford East, Soho Theatre Company and Talawa Theatre Company and many senior management roles, Kate is currently working as the financial manager for Culture&, and several independent artists in addition to HdK.