~の考え方は時代遅れ と言う場合、
主語が彼や会社でも同様に使えます。
His (The company's ) way of thinking is behind the times.
His(The company's ) way of thinking is old fashioned.(古くさい)
His(The company's ) way of thinking is out of date.
His(The company's ) way of thinking is out of style.
彼の考え方は時代遅れです。
その会社の考え方は時代遅れです。