UK SIC 2007 · 73110
UK ad agencies, full-service creative, digital agencies, branding shops, performance media, and PR-adjacent creative work. Distinct from 73120 (media representation) and 73200 (market research).
Advertising and market research is dominated by 73110, the advertising agencies code, which UK founders use for everything from full-service creative shops to freelance media buyers and social media specialists. 73120 covers media representation, the selling of advertising space and time on behalf of owners, and 73200 identifies market research and polling firms. The agency code overlaps heavily in practice with marketing consultancies registered under 70229, so lists built on 73110 catch the self-described agency population rather than the whole marketing sector.
Agencies are themselves among the most prospected companies on the register: SaaS vendors sell them project management, reporting and creative tools, freelance platforms and production studios pitch white-label capacity, and recruiters trade in scarce creative and paid media talent. New incorporations usually signal an account director going independent with a client or two. Headcount growth or a rebrand suggests new retainers won, while agencies chasing their own pipeline also buy data, making them customers for prospecting products in their own right.
Guide: Lead generation for UK marketing and digital agencies →ACTIVE COMPANIES BY REGISTERED-OFFICE POST TOWN · COMPANIES HOUSE REGISTER, JULY 2026
Most digital agencies file 73110 (advertising), the SIC predates digital but is the canonical marketing-services code. Some also file 70210 (PR / communications) or 62012 (software) when they build tools.
Filter by accounting category, micro/small entities are independents; medium/large are network agencies. Combined with SIC 73110, this is the cleanest split.
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