Coreblue

Agency List Score

United Kingdom

High assurance custom software design, development, and support from a UK-based team

Based in the South West of England, Coreblue builds custom software for clients such as AMA Selections, a luxury vacation rental company, and Executive Nexus, an executive search and networking provider. Work spans product discovery and design through to mobile and web application development, backed by ongoing support and infrastructure services from a UK-based team.

The company holds ISO 9001 and ISO 27001 UKAS accreditation, Cyber Essentials Plus certification, and status as both a Crown Commercial Supplier and HM Cloud Supplier. Founded in 2016, Coreblue pairs application development with cloud architecture across AWS, Azure and GCP, alongside security and web application firewall work for clients needing compliance-backed delivery.

SERVICES

Capabilities

About this agency on Agency List

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

That score is higher than 57% 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 Coreblue in September 2026, reading 6 pages published on coreblue.com.

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

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