People working in built up areas will be trained how to respond to terrorist threats with police seeking to get more than one million workers ready to know what to do in the event of such an attack.
The National Police Chief's Council on Wednesday announced the plan to extend the police's anti-terror scheme Project Griffin which already advises businesses in London on counter-terrorism.
Around 100,000 people each year are trained under the project and now that will be extended through a new training scheme that will aim to reach many more.
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Police are particularly interested in targeting the retail, hospitality, entertainment and travel industries.
"Although the UK threat level has remained unchanged since August 2014, it is still at severe. The police service is working tirelessly to address the threat but we need everyone to play a part in keeping the public alert, not alarmed," said detective chief superintendant Scott Wilson.
"Police can help explain what the threats and risks to different sectors are but companies are better placed to explain to staff exactly what action they can take to enhance their security and how to respond if the worst happens. Individual organisations have vital protective security information such as building layouts, security equipment and safety procedures. They have the local knowledge that could be vital to keeping staff and the public safe. This is why we have devised self-briefing packages bespoke to different sectors."