We Speak Reddit.
Karmium was founded by a marketer who was a Reddit user first. We understand the platform from the inside out, and that changes everything.
Our Story
Karmium was born out of frustration. Watching brand after brand crash and burn on Reddit, not because their products were bad, but because they treated it like just another ad platform.
Reddit isn't Twitter. It isn't Facebook. It's 100,000+ distinct communities, each with its own culture, language, and unwritten rules. Getting it wrong doesn't just waste ad spend. It generates negative sentiment that spreads across the entire platform.
Karmium exists to bridge that gap: a genuine Reddit enthusiast who also happens to be a marketer. The result is campaigns for brands across tech, gaming, crypto, consumer goods, and media that earn their place on the front page.
What We Stand For
Authenticity First
We never fake it. Every campaign we run respects Reddit's culture and community norms.
Results Over Vanity
Upvotes are nice. Pipeline is better. We optimize for outcomes that matter to your business.
Constant Learning
Reddit evolves daily. Our team is embedded in the communities we manage, always ahead of trends.
Brand Safety
Your reputation is everything. We operate with strict guardrails to protect your brand on the open internet.
Who You Work With
Javier Cristóbal
Javier runs Karmium end to end: strategy, community management, and paid Reddit campaigns. A long-time Reddit user turned marketer, he spends his days inside the communities he manages so that every campaign reads as native, not as an ad dropped in from the outside.
Ready to Work Together?
Let's talk about your Reddit goals and build a strategy to hit them.
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