Mos Food Services (Mos Burger)

Restaurants & food service · 8153

The Japan read

From the company's own filing for Q1 (Apr–Jun 2026) · reported 2026-08-07 · the filing

JapanMos Burger's same-store sales in Japan rose 3.8% in April–June, with customers up 3.0% and spend per customer up 0.7%; chain-wide sales grew 3.1% to ¥34.9bn. It opened 4 and closed 8 restaurants, leaving 1,308 in Japan at end-June.
JapanIts monthly figures show Mos Burger's same-store sales in Japan up 15.3% in September 2026, with customers up 6.7% and spend per customer up 8.1%; for April–September they rose 5.7%.
JapanOn 31 July 2026 it bought all of B.Y.O., which runs Japanese-food restaurants including Washoku Sake En, Obon de Gohan and Dashi Chazuke + Niku Udon En, for ¥11.20bn. B.Y.O. had sales of ¥18.38bn in the year to March 2026 and will be consolidated from the second quarter.

Other callouts in the filing

SegmentDomestic Mos Burger revenue rose 4.2% to ¥20.19bn, but its profit fell 26.4% to ¥1.54bn on higher ingredient costs, the company says. Overseas revenue rose 1.7% to ¥3.93bn while profit fell 64.5% to ¥52m; it had 409 outlets abroad at end-March, 296 of them in Taiwan.
OutlookFull-year guidance is unchanged: sales of ¥110.0bn (+7.0%), operating profit of ¥5.75bn (−12.4%) and net income of ¥3.6bn (−21.5%). The company says higher costs were already assumed and it raised prices in July.

floortok's reading of the filing, in our own words. Figures are the company's own; where a growth rate is our arithmetic, it says so.

Show figures in

Q1 (Apr–Jun 2026) · Year-to-Date

Reported 2026-08-07

Net sales¥24.6bn+3.6%

Operating profit¥0.8bn−52.9%

Net income¥0.6bn−53.8%

Mos Food Services runs the Mos Burger chain, built around franchising, with 1,308 restaurants in Japan and 409 elsewhere in Asia. In April–June 2026 sales rose 3.6% to ¥24.64bn, but higher ingredient costs cut operating profit 52.9% to ¥811m and net income 53.8% to ¥583m.