AGENCY LIST

MarsBased

Barcelona, Catalonia, Spain
Visit marsbased.com

Boutique consultancy for Ruby, Python, and JavaScript development

MarsBased is a boutique consultancy based in Barcelona, specializing in software development using Ruby on Rails, Python, and JavaScript. They cater to both Fortune 500 companies and high-growth startups, offering a blend of technical expertise and business acumen.

Their core services include full-stack development, UI/UX design, and technical due diligence. MarsBased emphasizes a proactive approach, clear communication, and high specialization in their work, ensuring that clients can focus on business growth while they handle the technical aspects.

MarsBased has partnered with notable clients such as HP, FC Barcelona, and RakutenTV, delivering scalable and efficient solutions. Their commitment to transparency and exceeding expectations is evident in their long-term relationships with clients and their active involvement in the tech community.

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SERVICES

Capabilities

Category

Custom Software Development

Services

What these services involve

Application Development
Application Development for custom software development buyers. Clear scope, measurable outcomes, and reliable delivery.
Data Engineering Pipelines
Data Engineering Pipelines for custom software development buyers. Clear scope, measurable outcomes, and reliable delivery.
DevSecOps Enablement
DevSecOps Enablement for custom software development buyers. Clear scope, measurable outcomes, and reliable delivery.
Maintenance and Support
Maintenance and Support for custom software development buyers. Clear scope, measurable outcomes, and reliable delivery.

Agency details

Team size
11-50 people

About this agency on Agency List

MarsBased holds an Agency List Score of 96 out of 100.

That score is higher than 91% 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 MarsBased in September 2026, reading 7 pages published on marsbased.com.

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

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