Despite the attentions of a number of record labels, reports suggest Williams, who has had hits including Angels and Let Me Entertain You, plans to launch Escapology independently through IE.
Equinox, which pitched against other agencies for the business, will develop a media strategy for the launch of Escapology on 18 November and a single on 9 December. One possibility it is said to be exploring is "blipverts to create more standout in the busy pre-Christmas market.
Escapology has been billed as the former Take That star's biggest release to date and one which his backers hope will break him in the US. Williams was contracted to EMI but the deal expired after his last album, Swing When You're Winning.
Kevin Morton, the managing director of Equinox, was unavailable for comment.