4 big mistakes that'll derail your chances of landing a job at a 'Big 4' consulting firm

• Almost 300,000 people around the world work for Deloitte - the biggest accounting firm in the world with a consulting arm that is considered one of the best in the US.

• Business Insider spoke with two Deloitte execs to get a sense of how to get a job at the "Big Four" accounting firm.

• They said common interview mistakes include not doing enough research and being too inflexible.

Deloitte is the biggest accounting firm in the US.

According to the Telegraph, the firm was the globe's biggest accounting firm based on revenue, as of 2016. Around the world, 263,900 people work for the professional services firm, which also offers auditing, tax, consulting, and financial advisory services. For it's consulting work, the firm was also named one of the best management consulting firms in the US.

Business Insider spoke with chief talent officer Mike Preston and Deloitte University and talent evolving workforce managing director Heidi Soltis-Berner about how to land a job at the "Big Four" accounting firm.

Here are the four biggest mistakes you should avoid in an interview: