UK SIC 2007 · 18203
Reproduction of computer media (SIC code 18203)
Reproduction of computer media is UK SIC code 18203. It sits in division 18 (Printing and reproduction of recorded media) of the SIC 2007 list. On the August 2026 Companies House register, 691 active UK companies list 18203 among their SIC codes. 602 of them list it first.
Division 18: Printing and reproduction of recorded media
Most of this division is commercial print. UK companies pile into 18129, printing not elsewhere classified. It covers general print shops, digital printers, large-format and signage printers, label producers and finishing houses. Newspaper printing and pre-press work have their own codes, with far fewer companies. The typical firm here is a small independent serving local businesses. The code also holds larger trade printers that supply resellers. A growing set of online print firms sit here too, and they never meet a customer.
Who prospects SIC 18203 companies
Printers buy a distinctive mix. They need paper and consumables, equipment leasing and workflow software. More and more, they need marketing for themselves, because local search has replaced walk-in trade. That draws in agencies and web designers, and the poor-website filter still finds plenty of targets in this very visual industry. Equipment finance houses watch for growth, since a printer adding staff usually needs new kit. A recent incorporation often means a management buyout, or an experienced printer going solo. Suppliers who arrive then keep the account for years.
Lead generation for agency owners →How to read SIC 18203
SIC 18203 is a five-digit code, and the digits are not arbitrary. The first two, 18, are the division, printing and reproduction of recorded media. Add the third and you have group 182; 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 C, manufacturing, 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 18203 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 18203 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 18203 are London (205), Manchester (19), Birmingham (14), Cambridge (10) and Leeds (9). 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 18203 as a filter
691 companies is 0.01 per cent of the 5,190,464 active companies on the UK register, and ranks 18203 5th most used of the 6 codes we track in division 18. 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 18203
Almost everybody who uses 18203 means it: 602 of 691 companies put it first, leaving only 89 carrying it as a secondary code. That makes it an unusually clean filter. You can match on the code alone and trust that the companies you get really are in this line of work.
The population is concentrated: the five busiest post towns hold 37 per cent of it, and London alone accounts for 30 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 18203 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: 18203, registered office in London, incorporated in the last ninety days, which turns a 691 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 18203 clusters in the UK
ACTIVE COMPANIES BY REGISTERED-OFFICE POST TOWN · COMPANIES HOUSE REGISTER, AUGUST 2026
SIC 18203 companies, as leads
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About SIC 18203
How many UK companies use SIC code 18203?
691 active UK companies list 18203 (Reproduction of computer media) among their registered SIC codes. Each company may register up to four. Of those, 602 put it first. The figures come from the August 2026 Companies House register snapshot, and count active companies only.
My business does design as well as printing. Which SIC codes should I use?
List both. A division 18 code such as 18129 covers the print side. Code 74100, specialised design activities, covers the studio work. A company can register up to four codes from any divisions. There is no need to squeeze a mixed business under one label. Listing your main revenue code first is a useful habit, but not a rule.
Is there a separate SIC code for signage and large-format printing?
No such code exists. That is why sign makers and large-format specialists sit in 18129 with general printers. Some signage firms that fabricate and install pick a manufacturing or construction installation code instead. All of these are fine. You declare your own SIC codes, Companies House does not check them, and you can revise them on a confirmation statement whenever the description stops fitting.
Find UK SIC 18203 companies
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