Companies within Mayfair (south), Piccadilly, Royal Academy

Newly Formed Companies in
Mayfair (south), Piccadilly, Royal Academy
this week

There have been 16 companies formed in the week from 08-08-2026 to 15-08-2026 within the W1J postcode district (Mayfair (south), Piccadilly, Royal Academy in West London). Usually over 2500 companies get formed every working day across the country. If you would prefer to analyse by region, rather than this postal district, you can check how many companies are formed in West London.

W1J is best understood through the places named in its coverage: Mayfair (south), Piccadilly and Royal Academy, set within the wider context of Westminster. Rather than referring to one settlement only, W1J combines Mayfair (south), Piccadilly and Royal Academy within the same postcode district.

For W1J, the W postcode context matters: The W postcode gives the district a west London setting, with a mix of central commercial streets, residential squares, transport hubs and well-known cultural areas.

With 5,580 companies recorded as of June 2026, W1J sits in the upper reaches of the district ranking at 129th out of 3,113. Company data for W1J brings together recent incorporations and newly formed companies associated with addresses in the district. That puts W1J well above the long tail of smaller postcode districts, while the local geography of Mayfair (south), Piccadilly and Royal Academy remains the main context.

That local context helps make the company data easier to interpret, because W1J is tied to identifiable places rather than an abstract administrative code.

Below are just a small sample of the companies formed (with the numeric parts of the address redacted with an X and not showing the postcode, so we are not advertising peoples full addresses online) but allows you to see where some of the companies have been formed. Our newly formed companies wizard in our Dashboard allows you to filter by a range of options free of charge to get an idea of quantities, prior to deciding to purchase. We supply the full company details lodged when they filed their company when you have decided on your filter selection and choose to purchase.

Incorp Date	Categories	Location
14th Aug	Wholesale of household goods (other than musical instruments) n.e.c.	XX Curzon Street Hiro Miyoshi London London
12th Aug	Development of building projects	XX Curzon Street London
12th Aug	Activities of other holding companies n.e.c.	XX Curzon Street London
12th Aug	Other software publishing Business and domestic software development	Devonshire House X Mayfair Place London
12th Aug	Non-scheduled passenger air transport	Xth Floor XX Berkeley Square Mayfair London
12th Aug	Activities of other holding companies n.e.c.	XX Curzon Street London
12th Aug	Activities of other holding companies n.e.c.	XX Curzon Street London
12th Aug	Agents involved in the sale of a variety of goods Wholesale of perfume and cosmetics Other retail sale not in stores, stalls or markets Advertising agencies	Suite XXXXX X Shepherd Market Mayfair London
12th Aug	Non-scheduled passenger air transport	Xth Floor XX Berkeley Square Mayfair London
11th Aug	Activities of other holding companies n.e.c.	XX Curzon Street London
11th Aug	Development of building projects	XX Curzon Street London
11th Aug	Activities of other holding companies n.e.c.	XX Curzon Street London
11th Aug	Activities of other holding companies n.e.c.	XX-XX Bruton Place London
11th Aug	Activities of other holding companies n.e.c.	XX Hill Street London
10th Aug	Other construction installation	XX Hill Street London
10th Aug	Not available	XX Hill Street London