• Cha Eun-woo has been notified of more than ₩20 billion (about $15M) in additional income tax collection.
  • Seoul Regional National Tax Service Investigation Division 4 led a high-intensity probe into a one-person agency tied to his mother.
  • Several brands temporarily removed ads or images; others are monitoring the situation.

H2: What the tax probe alleges
Cha Eun-woo, the Astro member and actor, reportedly received a notice from tax authorities for more than 20 billion won in additional income tax. Seoul Regional National Tax Service Investigation Division 4 — a special unit often deployed for serious tax-evasion or slush-fund suspicions — conducted a high-intensity investigation into a one-person agency established by Cha Eun-woo’s mother.

Authorities say the agency may have been used as a paper company to distribute income and apply a lower corporate tax rate, reducing Cha Eun-woo’s personal income tax burden. The National Tax Service’s review centers on whether the one-person agency provided substantive services or existed chiefly to lower taxable income.

H3: Questions about company registration and addresses
Reports note discrepancies in the company’s registered addresses. The management company, registered on June 15, 2022 as a popular culture and arts planning business, is listed in Tongjin-eup, Gimpo-si, Gyeonggi-do. But public records show an address tied to an eel restaurant operated by Cha Eun-woo’s mother in Ganghwa-do, Incheon. Investigators say such inconsistencies can indicate efforts to shelter income, though no official finding has been finalized.

H3: Brands react, advertising industry on alert
The advertising industry reacted quickly when allegations surfaced. Within hours, skincare brand Abbive made Cha Eun-woo’s videos and posts private; Shinhan Bank also removed his image from materials. Other fashion labels, including Chaumet, Maison Margiela and The North Face, are reportedly monitoring developments. Some educational advertisers, such as Daesung MyMac, continue to display banners featuring the star.

Despite early withdrawals, a wider domino effect among advertisers has not yet occurred. Industry sources say brands are weighing reputational risk while awaiting official developments.

H4: Cha Eun-woo’s response and legal path
Cha Eun-woo’s representatives said the main issue is whether the company established by his mother qualifies as a substantive taxation target. They emphasized that no final decision or official notice has been issued and pledged to explain legal interpretations through proper procedures. The artist and his tax agents stated they will cooperate sincerely to expedite resolution.

H5: Context — career and service status
Cha Eun-woo enlisted in the military last year and is currently serving. The case remains under tax investigation, and officials have not announced a formal conclusion.

What happens next
Tax authorities will determine whether the one-person agency is a legitimate business providing real services or a vehicle to lower tax obligations. Brands and the public will likely remain attentive until the National Tax Service issues a final ruling or Cha Eun-woo’s team provides clarifying evidence.

Image Referance: https://www.chosun.com/english/kpop-culture-en/2026/01/24/S4LY7PIZ35EMLNQER3H2ZRNBZE/