The trade debt figure has been confirmed in documents filed this week at Companies House.
Radford Group went into creditors voluntary liquidation on October 31 when it was placed in the hands of CVR Global .
Documents filed by the liquidator show Radford Group went under owing £5.17m to trade creditors and £4.3m in inter-company loans.
Hundreds of suppliers are on the list of companies owed cash.
Latest accounts filed for Radford Group for the year to May 31 2017 show the firm made a pre-tax profit of £1.17m from a turnover of £31m.
The company’s website states: “The Radford Group are a specialist construction and fit-out company that deliver high quality builds to many of the country’s largest developers and investment groups.
“We offer a variety of services to our customers across London, Cambridge and surrounding areas to provide a comprehensive and cohesive package to deliver high quality, bespoke projects.
“With years of experience in the industry, our team of designers, quantity surveyors, project managers and on-site trades people are dedicated to designing and delivering work to the highest quality to suit your project budget and programme.”