68 King William Street

The address is listed as the registered office for a number of UK companies, including those linked to the Blumenthal family, who built the 99p Stores chain and later sold it to Poundland in 2015 (per Sky News, 2015). Exact operational commitment at this address is unknown from public records.

The Blumenthal family generated wealth from the discount retail sector, notably by founding 99p Stores and selling the chain to Poundland. The sale price was reported as approximately £55 million in 2015 (per Sky News, 2015).

Multiple corporate filings show that 68 King William Street is the registered address for entities that manage investments and property holdings. It is typical for UK registered offices to serve as correspondence addresses, so this may not be the operational headquarters of a family office per se but rather a formal administrative base.

Public records are limited: the entities registered at the address include those associated with property and investment. There is no public disclosure of an active direct investment program into external companies or funds beyond property holdings.

No, the address appears to be a central London registered office address used by several corporate entities. It is not publicly known as an independent multi-family office. Its role is administrative, and it may be linked to one family's arrangements.