how can business better prepare for the still ongoing suppy chain shocks in the future

Research online on the topic but also include these 2 questions answers that I got by interviewing. 

1.

Q8. Looking forward on the still arising Supply Chain shocks as a result of Brexit – How could your clients prepare for supply chain shocks in the future? (e.g. Would you advise to use a different inventory management strategy)
• The one constant in supply chain is changes, a lot of people are looking at how do you structurally reducing the number of variables in the supply chain 
• In the Context of the Uk, a number of people are realizing the regulatory environment is not going away
• A mix of people are either leaving sites in the UK or creating sites in the UK as they believe it will be an important part of what they do
• This decision depends on the level of market opportunity they see in the UK
• What Lorcan’s company believes is if the company sees large market potential in the UK, they should either create their own entity in the UK or work through a partner entity (third party logistics partner etc.)
• There is a customs qualification called Authorized Economic Operator – AEO:
• This is recognized by both European customs and HNRC (the UK customs), it is a qualification where you invite customs in to audit your procedures and once they are happy with your level they will rate your shipments as lower risk, therefore they will then take less samples and you can now manage the customs procedure in a different way
• There is a US equivalent called ‘CTPAT’ – this is a similar audit that makes your shipments lower risk from a security and customs point of view

2. Q11. Very basic what would be a step by step guideline you would give clients to follow to resolve supply chain issues under Brexit?
• First take a look at all of your flows, map these flows that are now crossing a border in the UK, start with the ones that are most important to your business in terms of value (i.e. take your supplier list from a spend perspective and sort it from the supplier you spend most with to the supplier you spend least with), next see which ones are international, then see who is responsible and involved with dealing with the trade agreements 
• Do the same with their customers and communicate proactively with them