The newly created role of head of PR is the first such position Ten Group has had since it was founded in 1998.
The company has grown by providing tailored concierge services to corporates and is now planning to extend them to individual customers.
Ten Group founder and CEO Alex Cheatle, to whom Sobol will report, said: "We’ve grown the business at a steady rate over the past 16 years, thanks in part to word of mouth marketing and ongoing recommendations from our clients, but to continue to grow at a similar rate we knew we needed to bring in a specialist in consumer media to reach wider consumer communities through PR."
Sobol was previously a freelance board director at Fever PR and has worked with clients including Westfield Shopping Centres, HTC and EE.
She was recommended for the role by an industry contact and friend of Cheatle's.