London is one of the UK's largest centres for advertising agencies, with 9,663 active companies registered in this sector. This concentration makes it a major hub for advertising agencies businesses at the national level. The average advertising agencies company in London is 5.0 years old, indicating a sector that has seen significant recent growth alongside established players. Growth has been exceptional: 72% of active companies were formed since 2020, with a further 20% established during the 2010s. This makes it one of the fastest-growing sectors in London. Across the UK, other leading locations for advertising agencies include Manchester (784 companies) and Birmingham (423). Notable advertising agencies companies based in London include DENTSU UK LIMITED, FREUD COMMUNICATIONS LIMITED, TALON OUTDOOR LIMITED.
There are 9,663 active advertising agencies companies (SIC code 73110) currently registered in London, based on Companies House data. This includes businesses of all sizes, from sole traders to large enterprises, that have selected this SIC code as their primary activity.
The average advertising agencies company in London is 5.0 years old. This represents a balanced mix of established businesses and newer market entrants. Company ages are calculated from incorporation dates registered at Companies House.
Yes, the advertising agencies sector in London is experiencing significant growth. 72% of currently active companies were formed since 2020, and 20% during the 2010s. This sustained formation rate indicates strong demand.
Beyond London, the leading UK locations for advertising agencies companies are: Manchester (784), Birmingham (423), Leeds (363), Glasgow (350), Bristol (304). These concentrations often reflect regional economic specialisations, proximity to key markets, or established industry clusters.
Alongside advertising agencies, other significant industries in London include: Buying and selling of own real estate (54,323), Other letting and operating of own or leased real estate (53,308), Retail sale via mail order houses or via Internet (48,095), Management consultancy activities other than financial management (47,561). This diversity of business activity contributes to London's overall economic resilience.
You can search for advertising agencies companies in London using UVAGATRON's company explorer, which allows filtering by SIC code, location, company status, and risk profile. Each company record includes director information, filing history, and risk signals from 50+ government databases. Alternatively, you can search directly on Companies House.
Search, filter, and analyse 9,663 advertising agencies companies in London with AI-powered risk intelligence.
Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. Last updated: 2026-04-17.