Coreblue

MatchFast places Coreblue in technology services. It is the clearest answer in this ranking for buyers who cannot accept offshore delivery, whether for contractual, security clearance or data residency reasons, and it is the only firm here making that claim explicitly. Every engagement starts with a discovery or planning phase, which is stated openly on the site. Note on location: it is a Plymouth company, at The Apex on Derriford Business Park, not a London one. Treat directory labels and the summary as a starting point; they do not establish that a team has worked on your exact problem. Ask for a recent project similar to your scope, the names or roles of the people who would deliver it, clear milestones, and the support included after handover. Compare the rate range, team information and project evidence shown below, and confirm current terms and source review details with the provider before deciding.

Best suited to defence, regulated and public sector adjacent buyers who need every engineer inside the UK and can evidence it.

5 of 5 verified. The rest are supplied by the listing owner. Last checked 30 August 2026.

• ✓Rating and review count read from a live third-party profile
• ✓Rate band, team size and founding year cross-checked
• ✓Working website on the company own domain
• ✓Portfolio and named clients supplied
• ✓Named leadership on record