Earlier this month, minister for civil society Nick Hurd stated that talks were under way to allow the voluntary sector to use the Government's central buying system.
The Cabinet Office has now confirmed that comms services could be included within that offering, such as agencies on the COI's roster.
A Cabinet Office spokesman said: 'They could potentially use our comms services. We're in the early days of the discussion. We've made an offer to voluntary sector groups.
'By aggregating our procurement, we save a lot of money. So we can say to these groups "would you like to join in and take advantage of that?" The idea is to set up some kind of co-operative to tap into our procurement.'
In an interview with PR Week's sister title Third Sector, Hurd said the Cabinet Office had held talks with voluntary sector umbrella bodies about setting up a mutual or co-operative that would buy goods and services for the sector such as stationery, energy and professional services, using the Government's central buying office.
Hurd said the voluntary sector's umbrella bodies were keen on the idea.
The news comes as the Government considers former permanent secretary for government comms Matt Tee's proposals to abolish the COI and replace it with a 'Government Communication Centre', to save £50m per year in staff costs.