City Rank
#17 of 33
Location
Haarlem, Netherlands
About
Online marketing bureau ✓ Alles in huis om te groeien ✓ Digitale strategie en uitvoering ✓ Specialisten in SEO, SEA, CRO, B2B & Content.
Rated 4.9/5 based on 38 Google reviews as of September 11, 2026.
Contact Information
Last verified: September 11, 2026
Review on Google
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They're doing link building for us. The pages where they write blog posts have been down for weeks. We discovered this ourselves. We reported it, but they're doing nothing about it. A complete waste of money. Update 09.03.2026 The problem mentioned above has been resolved. We also had a discussion about continuing our collaboration. A follow-up update will follow later.
We've had a great collaboration with Blauwe Monsters for several years now. They're very flexible and listen carefully to our needs!
We've been working with Blauwe Monsters for over two years now as our online store's advertising agency, and they continue to deliver consistent and measurable results. What I especially appreciate is that they never stand still: they continue to optimize, contribute ideas, and grow with our business. The communication is pleasant and transparent, they respond quickly, and clearly understand e-commerce and performance marketing. No empty promises, just a down-to-earth approach focused on what really works.
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