Circled Suitable Ideograph

㊜ means “suitable” or “approved.” The Japanese 丸適 mark has served formal quality-audit and fire-safety uses; read it as certification only when the surrounding institution or product context is clear.

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Also called: maruteki mark · 丸適マーク · まる適マーク
Search it as: ㊜ · maruteki · まるてき · 丸適 · 適マーク · quality audit mark · fire safety mark
Shows up in: Anything that takes text · its shape is whatever your font draws

What ㊜ means

It means “suitable” or “approved,” usually as a formal mark.

In Japan, 丸適マーク names formal approvals. A mark for ready-mix concrete plants (where concrete is mixed before delivery) went to plants that passed a quality audit; the industry's nationwide common mark sheet began in 2000. A separate fire-safety mark for hotels and theaters began in 1981.

The Greater Osaka Ready-Mix Concrete Cooperative announced in 2024 that it would stop affixing its mark stickers. A ㊜ on a product or facility points to a particular approval system; it does not tell you what every issuer checked.

What does it mean if someone sends ㊜?

It signals approval only when the message gives it an institutional context.

In a Japanese note about a product, concrete supplier, hotel, theater, or inspection, it can signal suitability or compliance. Without that cue, ask what is being approved.

Formal and niche: it reads like an institutional compliance mark.

In casual approval, it can imply official certification; say what kind of approval you mean.