Economic effects of Brexit

Garden centre owner, Robin Mercer, says the new UK-EU deal is "long overdue" as current arrangements have driven up costs.

The new agreement is set to affect sectors including fishing, agriculture, hospitality and defence.

A summit on Monday is expected to include an "agreement to agree" on trade issues.

The lobby group calls for travel restrictions to be eased and less red tape between the UK and EU.

Parcel companies need to be signed up to a trusted trader scheme because of the changes.

The situation remains "impossible" for some retailers, a trade body says.

Major retailers say the post-Brexit trading agreement continues to cause practical difficulties.

BBC News NI's business and economics editor looks back at the impact of Brexit in 2024.