Newly Formed Companies in the South East London Area
The SE postcode area covers South East London and a wider collection of local districts, each adding something different to the area's geography. The area features places such as Bankside, South Bank, Plumstead, Woolwich, Eltham, Mottingham and Rotherhithe help show the spread and variety of the area.
South East London runs from Southwark, Bankside and Bermondsey through Greenwich, Lewisham, Peckham, Dulwich, Woolwich and suburban districts further out. The Thames, historic town centres, maritime heritage, rail routes, parks, markets and residential neighbourhoods give the SE area a varied identity.
Some of the most active districts for company registrations in the SE area include SE1, SE18, SE9, SE16, SE8, although the wider postcode area also includes many quieter localities.
Recent company registrations using SE postcodes form part of the UK companies list for this area. As of June 2026, SE ranks 9th out of 128 postcode areas by company count, with 94,860 companies associated with addresses in the area.
The combination of a high company count and recognisable districts makes SE one of the strongest postcode areas for business-registration research.
When a company is registered, its registered office address is the publicly visible location of the company and the company has to legally be able to receive post at this address. Over 2,000 companies every day (sometimes over 3000) get formed. These are in England, Scotland, Wales and Northern Ireland.
We analyse whether a registered office has a valid UK postcode that we can get grid co-ordinates for distance calculations and make sure the company has not closed down since it formed. You can then contact these people in the South East London (SE) area, who may be interested in receiving your marketing message offering your services under the legitimate interest rules of GDPR (assuming you are marketing to companies who you feel have a potential interest in your services, either geographically or by category). Marketing is by post because it is a brand new company that won't have a business telephone number or business email address (and even if they have, its not part of the data collected and made available by Companies House)
South East London is made up of the following towns and villages