The phrase 'has differentiated itself' is correct and usable in written English.
You can use it in a variety of contexts. For example, you could say "This company has differentiated itself from its competitors by offering a unique product line."
Unfortunately, Andersen has differentiated itself from the other guys.
4. Marketing benefits By investing in sustainable technologies, Adelca has differentiated itself in the market.
By investing in sustainable technologies, Adelca has differentiated itself in the market.
The company is eking out earnings gains and has differentiated itself from Wal-Mart with upscale merchandise.
In the Trump era, the Standard has differentiated itself from other conservative publications, including the Examiner, by maintaining a skeptical and sometimes oppositional tone regarding the president.
From its 2002 debut, the Miami Beach art fair has differentiated itself from the 34-year-old Art Basel in Switzerland by putting on a tropical December event that was as much beach bash as art show.
By the early 18th century a fourth arm, engineering, had differentiated itself from artillery, an arrangement that became standard in all armies after the Seven Years' War (1756 63).
Already, it had differentiated itself from competing software solutions, by offering a licensed selection of Disney content – like games, videos, trailers and more – to make its service more appealing.
Falun Gong had differentiated itself from other qigong groups in its emphasis on morality, low cost, and health benefits.
We live in a complex society with a public that has differentiated needs and personalised expectations.
A team of scientists led by Sébastien J Puechmaille of University College Dublin has differentiated one such species from northern Africa, Miniopterus maghrebensis.
