The workload is huge. So how is the civil service doing at preparing for the changes ahead?
In the 12 months since the EU referendum, the nation has only become more confused about where it's heading.
When it comes to difficult negotiations, weakness is strength and strength weakness.
A treaty on citizens' rights in a moral obligation and legally possible too.
The balance of power in Brexit talks is firmly with the EU.
A country that is grievously divided along social, economic and geographical lines is in no condition to meet the challenges that lie ahead.
Britain and other member states are vulnerable, in the wake of the gamble that failed.
Theresa May originally pitched this vote as a chance to strengthen her hand in Europe. Now we don't even know who will be sitting at the negotiating table.
While security concerns have punctuated the campaign's closing days, Brexit remains the most important issue on voters' minds. How the EU exit is managed will matter a great deal to US interests.
Are you wrong because your opinion differs from the majority, or should you stand your ground?
The English language will be one of the most important things the UK leaves behind in the EU.
Theresa May has ignored the 'low politics' of energy for too long.
Talk of punishing parties for their stance on the referendum may be overhyped – not least because of all the confusion about where each actually stands.
In the absence of the government, and with important negotiations ahead, it's helpful to understand what citizens think about Brexit.
One topic will feature very heavily on the campaign trail, but how will this vote affect work in Brussels?
By calling a national vote now, the prime minister can strengthen her own position at home and at the Brexit negotiating table.
A network of EU experts helps monitor food safety, banking conduct and medicines. And no-one seems to have a plan for replacing them.
The UK has flared tensions with Spain over what happens to the territory after Brexit. But this war of words has been going on for centuries.
The white paper proposing post-Brexit legal changes is deceptively technical. In reality, it has much wider implications.
What the British prime minister said in her letter to the EU – and what she meant.