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How WriteUp CEO Sung Kim grew WriteUp to $18M revenue with a 164 person team in 2025.

Introducing WriteUp Assistant - a private, local, and on-the-go writing tool that helps you craft context-specific content with customizable styles. Protect your data and privacy with local LLM and enjoy seamless writing anytime, anywhere.

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WriteUp Revenue

In 2025, WriteUp's revenue reached $18M. Since its launch, WriteUp has shown consistent revenue growth.

WriteUp Revenue GrowthReported revenue / ARR by year$0$4M$8M$12M$16M$20M2025$18MSource: GetLatka.com
YearMilestone
2025WriteUp Hit $18m revenue in September 2025

WriteUp Valuation, Funding Rounds

WriteUp's most recent disclosed valuation is $54.1M.

WriteUp is a bootstrapped AI Writing Assistants startup that has reached $18M in revenue with no outside investment.

No funding has been reported for WriteUp yet.

WriteUp Employees & Team Size

WriteUp employs approximately 164 people as of 2026.

WriteUp has 164 total employees in different roles and functions.

WriteUp Team GrowthReported headcount over time040801201602002024164164Source: GetLatka.com
YearMilestone
2024Reached 164 employees (September 2024)

Founder / CEO

Sung Kim

Sung Kim is listed as Founder / CEO at WriteUp.

Q&A

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Customers

We do not have customer count information for WriteUp yet.

Frequently Asked Questions about WriteUp

What is WriteUp's revenue?

WriteUp generates $18M in revenue.

Who founded WriteUp?

WriteUp was founded by Sung Kim.

Who is the CEO of WriteUp?

The CEO of WriteUp is Sung Kim.

How much funding does WriteUp have?

WriteUp raised $0.

How many employees does WriteUp have?

WriteUp has 164 employees.

Where is WriteUp headquarters?

WriteUp is headquartered in San Jose, United States.

Compare WriteUp to the industry

Source Attribution

Source: all data was collected from GetLatka company research and founder interviews. Revenue, funding, team, and customer figures are presented as company-reported or GetLatka-estimated metrics where the profile data identifies them that way.

Company data last updated .