A year on from the UK’s decision to leave the European Union, more than two-thirds of retailers have yet to make a plan for how they will manage the change, according to new data. However, another study finds that Brexit is already having an effect on day-to-day online shopping.

Some 68% of UK retailers have yet to start planning for Brexit, despite the fact that the UK voted to leave the European Union a year ago today, says cross-border ecommerce specialist Global-e. That’s up from the 60% that Global-e found had made no plans for potential leave vote before the referendum took place.

Nir Debbi, co-founder and CMO at Global-e, says that news of falling high street sales in May adds to pressure on Prime Minister Theresa May to abandon plans for a hard Brexit.

“Political and economic uncertainty is likely to continue as negotiations between the UK and the EU began next week. To continue long term plans to take advantage of rapid growth in cross-border ecommerce, the important thing for retailers today is to prepare their operations in the short term to tackle the complexities that will undoubtedly arise when Britain leaves the EU.

“For example; the UK leaving the EU will likely change the regulation in terms of compliance with “EU distance selling regulation” in particular, the “distance selling” VAT compliance…