Companies within Mayfair (south), Piccadilly, Royal Academy

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

There have been 17 companies formed in the week from 14-09-2026 to 21-09-2026 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
21st Sep	Motion picture production activities	Flat X L Block Albany London
21st Sep	Performing arts Artistic creation	XXX Piccadilly London
18th Sep	General medical practice activities	XX Stratton Street London
17th Sep	Distilling, rectifying and blending of spirits Wholesale of wine, beer, spirits and other alcoholic beverages Retail sale of beverages in specialised stores Retail sale via mail order houses or via Internet	XXX Piccadilly London
17th Sep	Activities of venture and development capital companies Buying and selling of own real estate Other letting and operating of own or leased real estate	X Trebeck Street London
16th Sep	Development of building projects	XX Curzon Street London
16th Sep	Activities of other holding companies n.e.c.	XX Curzon Street London
16th Sep	Activities of other holding companies n.e.c.	X-XX Bolton Street London
16th Sep	Other letting and operating of own or leased real estate	XXX Piccadilly London
16th Sep	Dormant Company	Xth Floor Curzon Street London Greater London
15th Sep	Activities of venture and development capital companies Buying and selling of own real estate Other letting and operating of own or leased real estate	X Trebeck Street London
15th Sep	Other credit granting n.e.c.	Devonshire House Level One X Mayfair Place London
15th Sep	Agents involved in the sale of a variety of goods Non-specialised wholesale trade Retail sale via mail order houses or via Internet Other business support service activities n.e.c.	Xth Floor XX Clarges Street London
15th Sep	Agents involved in the sale of a variety of goods Non-specialised wholesale trade Retail sale via mail order houses or via Internet Other business support service activities n.e.c.	Xth Floor XX Clarges Street London
15th Sep	Agents involved in the sale of a variety of goods Non-specialised wholesale trade Retail sale via mail order houses or via Internet Other business support service activities n.e.c.	Xth Floor XX Clarges Street London
15th Sep	Agents involved in the sale of a variety of goods Non-specialised wholesale trade Retail sale via mail order houses or via Internet Other business support service activities n.e.c.	Xth Floor XX Clarges Street London
15th Sep	Agents involved in the sale of a variety of goods Non-specialised wholesale trade Retail sale via mail order houses or via Internet Other business support service activities n.e.c.	Xth Floor XX Clarges Street London