Marketplace2026
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De 0 a top-seller en Amazon España en 6 meses.
↳ ROAS medio 4.2× en los primeros 90 días
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§ 00 / BLACK TAG AGENCY
We build digital systems that execute.
Digital marketing · Web development · Marketplace management · Brand systems
Most agencies sell individual services. We build the complete system: the strategy that gives direction, the website that converts, and the marketplace channel that scales. All integrated, all measurable.
3+
Years of experience
4
Sectors managed
5+
Active marketplaces
100%
Dedication per project
§ 01
Four disciplines.
One obsession: technical sophistication.
01 / Marketing
Marketing
Digital strategy, performance marketing, SEO and analytics to grow your business with data.
View Digital Marketing ↗02 / Web Development
Web Development
Corporate websites, e-commerce and web applications. Modern stack, maximum performance.
View Web Development ↗03 / Marketplace
Marketplace
We manage and grow accounts on the main marketplaces. We don't build platforms: we operate on the ones that already exist.
View Marketplace Management ↗04 / Brand Systems
Brand Systems
Visual identities, design systems and brand books that build solid and coherent brands.
View Brand Systems ↗§ 05 / SECTORS
FurnitureCosmeticsMerchandisingHospitality
We don't sell to everyone. We specialise where we can prove results.
§ 06 / PROYECTOS
Casos reales.
Resultados medibles. Sin relleno.
§ 02
The brand as infrastructure, not decoration.
We make your account perform. Nothing more.
- Técnico
- Decimos exactamente lo que entregamos. Sin promesas huecas.
- Directo
- Frases cortas. Verbo primero. Una idea por línea.
- Sobrio
- Tono adulto. Sin emojis, sin exclamaciones gratuitas.
- Seguro
- Afirmamos. No prometemos. La obra valida el discurso.
01
Técnico
Decimos exactamente lo que entregamos. Sin promesas huecas.
02
Directo
Frases cortas. Verbo primero. Una idea por línea.
03
Sobrio
Tono adulto. Sin emojis, sin exclamaciones gratuitas.
04
Seguro
Afirmamos. No prometemos. La obra valida el discurso.
§ 03
Marketplaces we operate in
Gestionamos y hacemos crecer cuentas en los principales marketplaces europeos.
Amazon
MediaMarkt
Carrefour
Leroy Merlin
Miravia
AliExpress
Shein
Temu
§ 07 / BLOG
Ideas, método y criterio.
Sin relleno.
§ 09 / CONTACTO
Let's talk about your project.
Tell us what you need. We'll respond within 48 hours with a clear proposal: what we'd do, how, and in what timeframe.
48h response · No commitment · Custom proposal