Definition of Big Four

The Big Four are the top four companies in an industry. In the technology industry, the Big Four companies are Google, Facebook, Microsoft, and Amazon. In the accounting industry, the Big Four companies are Deloitte, EY, KPMG, and PwC.

Example: A lot of college students want to work for a Big Four company after graduating.


Usage of "Big Four" by Country

Business English is used in many different countries around the world. Some of the words and phrases listed on this site will be understood everywhere Business English is used, but some words and phrases are only used in specific countries. The map below shows where "Big Four" is most commonly used.

Word Usage Map

Learn More About "Big Four"

"Big Four" is in the top 30% most popular words looked up on this site.

"Big Four" is used in the workplace during meetings or emails.

The definition for "Big Four" was last updated in 2021.

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Business English Quiz

Question: What does "Calendar Invite" mean?

   (A) When a person wants to meet with you next week.
   (B) An email sent to schedule a meeting with the option to either accept or decline the meeting at the scheduled time.
   (C) When a person has available time on their calendar to meet with you.
   (D) When a person does not have any time to meet with you.

Answer: Find out the right answer here.

About This Site

Jargonism is a Business English dictionary. You can learn about words and phrases that are commonly used in the workplace like Circle Back, Thought Leader, and Offsite. We also have a Word of the Day, which is a daily Business English vocabulary word that is commonly used in the workplace.

On this site, we also have templates on how to communicate effectively at work, such as requesting PTO, declining a promotion, and taking a sick day.

Word of the Day

Date: 10/18/2021

Word: Close It Out

Definition: To mark something as completed.

Example: This task has been fixed, so let's close it out within the task tracker.

Cite This Page

"Big Four." Jargonism.com Dictionary, https://jargonism.com/words/1080. Accessed 10/18/2021.