Twitter is considering adding a paid membership option for businesses and power users.

The micro-blogging service, which has struggled to grow its user base in recent years, is carrying out surveys to “assess interest” in the idea.

Paying members would get access to an enhanced version of Tweetdeck, Twitter’s souped-up interface that offers more functionality than Twitter.com.

The company has not made any indication it is considering charging regular users of the service.

But a premium membership scheme could offer Twitter a new revenue stream at a time when users are increasingly turning to other networks such as Snapchat.

Twitter’s active user base has plateaued – and advertising revenues, currently the firms only meaningful income stream, are in decline. Twitter’s struggles come despite the online advertising market growing considerably in the past year.