Bosses at Big Four accountancy and advisory firm EY have green-lit plans to split the firm between its audit and advisory businesses.

Whether the firm – which employees over 300,000 staff in over 150 countries - splits will now be put to a vote by its 13,000 partners at the end of this year.

According to the Wall Street Journal, the $45 billion global network would be divided between the consulting business and the audit-focused partnership, which would ret...