The company is tiny, but every department is in place.
Tips
usage
Shortened form of the full saying 麻雀虽小,五脏俱全 ("the sparrow is small, yet all its organs are complete"). The full form is often spoken; in writing, the first half alone serves as a known set phrase.
memory
Think of a sparrow: tiny bird, but it still has a heart, lungs, liver — nothing missing.