Source23

Barcelona, Catalonia, Spain

Commercialisation and communication for brands and start-ups

Source23 specializes in helping both large brands and small start-ups with commercialisation and communication strategies. Founded in Barcelona and now also operating in the UK, the agency has been active since 2001. They focus on building personal and long-standing relationships with clients, offering results-driven strategies through a team of creative thinkers.

Their services cover a wide range of marketing, web development, and communication needs. Source23 provides end-to-end solutions, from branding and digital asset creation to marketing plan development and execution. They also offer business model validation, route-to-market analysis, and commercial strategy development, ensuring that brands are well-positioned for long-term success.

Source23 has worked with a diverse client base, including market leaders like Tissot, MoneyCorp, and Chicago Booth, as well as innovative start-ups such as Hunta and Inkulu. Their approach is characterized by a focus on understanding client objectives and delivering fast, real-world results.

25
YEARS IN BUSINESS
8
SERVICES

Capabilities

Services

What these services involve

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Analyst and Awards Relations for pr and communications buyers. Clear scope, measurable outcomes, and reliable delivery.
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Digital PR for SEO
Digital PR for SEO for pr and communications buyers. Clear scope, measurable outcomes, and reliable delivery.

Agency details

Team size
11-50 people
Founded
2001 (25 years)

About this agency on Agency List

Source23 holds an Agency List Score of 73 out of 100.

That score is higher than 32% of the 36,919 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed Source23 in September 2026, reading 4 pages published on source23.com.

The score reflects what Source23 had published by that date; anything published since has not been read.

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