Independent talent & creative company · Est. 2014
We build meaningful careers, connect the right people and turn creative ambition into lasting businesses.
01 / What we do
Three connected disciplines. One belief: the strongest careers are built through trust, creativity and long-term thinking.
We build close, personal relationships with our artists and creators. Through tailored strategy, genuine care and hands-on guidance, we develop sustainable careers and businesses with real longevity.
Our approach ↗We connect brands with creators who truly fit their story. Every partnership is thoughtfully selected for authenticity, strategic value and the potential to grow together beyond a single campaign.
Our partnerships ↗Through Sandcastle Publishing, in collaboration with Armada Publishing, we bring songwriters, composers and music professionals together through a strong creative network and strategic industry partnership.
Let's connect ↗02 / Our talent
Distinct voices. Individual ambitions. A shared commitment to creating meaningful work and lasting careers.
03 / Selected collaborations
Our network brings brands and talent together through authentic connections that make sense today — and strengthen tomorrow.
04 / Global experience
Our artists have toured worldwide and performed at some of the most recognized festivals, bringing their music to audiences across borders and cultures.
05 / About King's Castle
Founded in 2014 by Ruben Smulders and Jeroen Maas, King's Castle Agency grew from an artist booking agency into a dedicated management company with a broad network across music, entertainment and brands.
We believe in building strong foundations, making thoughtful choices and being genuinely involved in the people we represent. Our work is driven by personal connection, clear strategy and the ambition to create stable, future-proof businesses.
Not just managing careers. Building something that lasts.
06 / Let's work together
Artist, creator, songwriter or brand? We're always open to meaningful connections and new opportunities.
Get in touch ↗
