Yes its probably them:
Its part of the Avanti Group:
View Andrew Meyer's profile for company associations, background information, and partnerships. Search our database of over 100 million company and executive profiles.
www.corporationwiki.com
Archewell also, and Richard.M Genow is Pegs former lawyer listed as Rick Genow here:
Meghan Markle (pictured with Prince Harry) will be using a Hollywood agent, Nick Collins who is thought to be negotiating a children's book deal for the 38-year-old.
www.dailymail.co.uk
Here is Mayer -Avanti Group:
The mother-of-one has reportedly been using the team 'on the quiet' as she gets ready for the publication of her first children's novel
meaww.com
It is similar to real-estate buying:
The real-estate agents handle all planing/legal permissions for a buyer (who is rich) before original purchase.
So they are the ''interested front." initially as a potential developer/investor.
One thinks that the agent (in UK) only works for the seller unless a official buyers agent.
Not how it works in the mega-rich world.
Lawyers handle all business deals, Peg's is probably the real publisher after paying via lawyers for ''a front" from Random House.