The site is a secure central online area to store usernames, passwords, card details, account numbers and insurance policies.
Mortgage Promotions director Nick Baxter described it as “an online filing cabinet that can be accessed securely from anywhere in the world via Smartphone, iPad or computer”.
The service is free of charge for Mortgage Promotions members equating to a saving of £50 pa.
The mortgage club is also offering the services free to clients for the first 100 members who register.
Baxter said: “In a year of weather extremes we thought we needed to go the extra mile to help our members ensure their business continuity.
“Depositit Business Safe is an important piece of a complex jigsaw of tools that helps members firms get up and running again quickly should a disaster strike. More tools will be announced soon.”