The organisation, which had a turnover of £170m in 2007-08 and which provides affordable housing, care and support services, wants to have at least two firms on board for a period of three years.
The entity, which manages homes across London, East Anglia, Bedfordshire, Hertfordshire, Surrey, Kent and Essex, is looking for expertise across corporate and finance, real estate, employment and pensions, commercial and housing management.
Circle Anglia will be looking for firms to compete on price but is also keen for interested firms to be recognised names in social housing.
A spokesperson confirmed that the review is ongoing and said it would be completed by mid-October.
Last week The Lawyer revealed (21 September) that the Homes and Communities Agency – the newly created public body charged with regenerating housing stock, land and infrastructure - had launched a review of its legal services.
The body, which has a £5bn budget, is seeking advice across social housing and regeneration, PPP, employment, litigation, finance and tax.