Birmingham Live, the finance expert said customers should "apply now" and if they were to get the account now, it would lock in that rate for a whole year.
Martin told Money Saving Expert: "If you’ve got an M&S bank account and you have savings, then open its account now. This is an unbeatable rate of interest on the open market currently.
As long as you can put £25 a month in, it's worth it. And if you open it now then the account lasts the whole year. "While the parent company has said that M&S's sister brands HSBC and First Direct will not be closing their regular savers, in my head I hear a 'now' after that.
In the past when one has moved rates, a few weeks later the others have followed. So for safety's sake, if you're a saver with.
Read more on manchestereveningnews.co.uk