UK SIC 2007 · 73120
Media representation services (SIC code 73120)
Media representation services is UK SIC code 73120. It sits in division 73 (Advertising and market research) of the SIC 2007 list. On the August 2026 Companies House register, 13,368 active UK companies list 73120 among their SIC codes. 7,282 of them list it first. That makes it the second most used code in its division.
Division 73: Advertising and market research
One code dominates here: 73110, the advertising agencies code. UK founders use it for everything, from full-service creative shops to freelance media buyers and social media specialists. Code 73120 covers media representation, which is selling advertising space and time on behalf of the owner. Code 73200 marks market research and polling firms. In practice 73110 overlaps a lot with marketing consultancies registered under 70229. So a list built on 73110 catches firms that call themselves agencies, not the whole marketing sector.
Related SIC codes
Who prospects SIC 73120 companies
Agencies are among the most sold-to companies on the public record. SaaS vendors offer them project management, reporting and creative tools. Freelance platforms and production studios pitch white-label capacity. Recruiters trade in scarce creative and paid media talent. A new incorporation usually means an account director has gone independent with a client or two. Headcount growth or a rebrand suggests new retainers. Agencies also need their own pipeline, so they buy lead data themselves.
Lead generation for agency owners →How to read SIC 73120
SIC 73120 is a five-digit code, and the digits are not arbitrary. The first two, 73, are the division, advertising and market research. Add the third and you have group 731; the fourth narrows it to a class, and the fifth to the subclass, which is the level Companies House actually asks a company to pick. The whole division sits under section M, professional, scientific and technical activities, the broadest tier there is. Reading a code left to right therefore goes from a whole sector down to one activity.
More on how SIC 73120 is built
A company chooses its own codes when it incorporates and can change them on any confirmation statement. It may list up to four, and Companies House does not check whether they are right. That is why 73120 is worth reading as a claim the company made about itself rather than as a verified fact, and why the first-position and any-position counts above differ.
Measured on the August 2026 register, the busiest registered-office post towns for 73120 are London (4,296), Manchester (279), Kington (189), Birmingham (169) and Glasgow (130). Those are registered-office locations, which is where the paperwork sits rather than necessarily where the work happens, so treat them as where to start looking rather than as a service area.
Using SIC 73120 as a filter
13,368 companies is 0.26 per cent of the 5,190,464 active companies on the UK register, and ranks 73120 second most used of the 3 codes we track in division 73. That is the pool before any filter. Whether it is a big market for you depends on what you sell, but it is the number every other filter on this page cuts down from.
More on filtering by SIC 73120
Only 7,282 of the 13,368 companies carrying 73120 put it first. The other 6,086, 46 per cent, list it behind another code, which usually means the business does more than one thing and files 73120 as a sideline. A search that matches the first code only will miss most of this population, so match on any of the four SIC positions and use a second filter to tighten it.
The population is concentrated: the five busiest post towns hold 38 per cent of it, and London alone accounts for 32 per cent. If you sell nationally, those five towns are most of the market. If you sell locally and you are not in one of them, expect a much smaller pool and widen the radius early.
In practice the code on its own is rarely the whole filter. Pair 73120 with an incorporation date to catch companies in their first months, when they are still choosing suppliers, or with a filing deadline to reach them while the year end is on their mind. A worked example for this code: 73120, registered office in London, incorporated in the last ninety days, which turns a 13,368 company pool into a list you can write to in an afternoon. Add the poor-website filter if what you sell is a website, or a recent change of officer if you sell to whoever just took the job. Every company you pull carries the Companies House record, the director's name, a verified website and a verified email, and the ones we cannot complete are not charged.
Where SIC 73120 clusters in the UK
ACTIVE COMPANIES BY REGISTERED-OFFICE POST TOWN · COMPANIES HOUSE REGISTER, AUGUST 2026
SIC 73120 companies, as leads
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About SIC 73120
How many UK companies use SIC code 73120?
13,368 active UK companies list 73120 (Media representation services) among their registered SIC codes. Each company may register up to four. Of those, 7,282 put it first. The figures come from the August 2026 Companies House register snapshot, and count active companies only.
Should a marketing consultant register 73110 or 70229?
Code 73110 suits businesses that create and place advertising. Strategy-led marketing advice fits 70229 in the consultancy division. Companies House checks neither choice. Plenty of firms sit on the line and simply register both. A company can hold up to 4 SIC codes and adjust them whenever it files a confirmation statement (CS01).
Can I add a market research code alongside my agency code?
Yes. Each company may declare up to 4 SIC codes. An agency that also runs research projects can list 73200 next to 73110. Add or swap codes on the next confirmation statement. There is no fee beyond the statement itself, and no approval step. Holding both codes also helps buyers find you when they search either category.
Find UK SIC 73120 companies
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