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Software companies in the UK
How many software companies are there in the UK, and where are they concentrated?
This question begs the question of what kinds of organization should be counted as a software company. My answer to this question is driven by the available data. Companies House is the executive agency of the British Government that maintains the register of UK companies, and basic information on 5,562,234 live companies is freely available.
The Companies House data does not include all software companies. A very small company (e.g., one or two people) might decide to save on costs and paperwork by forming a partnership (companies registered at Companies House are required to file audited accounts, once a year).
When registering, companies have to specify the business domain in which they operate by selecting the appropriate Standard Industrial Classification (SIC) code, e.g., Section J: INFORMATION AND COMMUNICATION, Division 62: Computer programming, consultancy and related activities, Class 62.01: Computer programming activities, Sub-class 62.01/2: Business and domestic software development. A company’s SIC code can change over time, as the business evolves.
Searching the description associated with each SIC code, I selected the following list of SIC codes for companies likely to be considered a ‘software company’:
62011 Ready-made interactive leisure and entertainment
software development
62012 Business and domestic software development
62020 Information technology consultancy activities
62030 Computer facilities management activities
62090 Other information technology service activities
63110 Data processing, hosting and related activities
63120 Web portals |
There are 287,165 companies having one of these seven SIC codes (out of the 1,161 SIC codes currently used); 5.2% of all currently live companies. The breakdown is:
All 62011 62012 62020 62030 62090 63110 63120 5,562,234 7,217 68,834 134,461 3,457 57,132 7,839 8,225 100% 0.15% 1.2% 2.4% 0.06% 1.0% 0.14% 0.15% |
Only one kind of software company (SIC 62020) appears in the top ten of company SIC codes appearing in the data:
Rank SIC Companies 1 68209 232,089 Other letting and operating of own or leased real estate 2 82990 213,054 Other business support service activities n.e.c. 3 70229 211,452 Management consultancy activities other than financial management 4 68100 194,840 Buying and selling of own real estate 5 47910 165,227 Retail sale via mail order houses or via Internet 6 96090 134,992 Other service activities n.e.c. 7 62020 134,461 Information technology consultancy activities 8 99999 130,176 Dormant Company 9 98000 118,433 Residents property management 10 41100 117,264 Development of building projects |
Is the main business of a company reflected in its registered SIC code?
Perhaps a company started out mostly selling hardware with a little software, registered the appropriate non-software SIC code, but over time there was a shift to most of the income being derived from software (or the process ran in reverse). How likely is it that the SIC code will change to reflect the change of dominant income stream? I have no idea.
A feature of working as an individual contractor in the UK is that there were/are tax benefits to setting up a company, say A Ltd, and be employed by this company which invoices the company, say B Ltd, where the work is actually performed (rather than have the individual invoice B Ltd directly). IR35 is the tax legislation dealing with so-called ‘disguised’ employees (individuals who work like payroll staff, but operate and provide services via their own limited company). The effect of this practice is that what appears to be a software company in the Companies House data is actually a person attempting to be tax efficient. Unfortunately, the bulk downloadable data does not include information that might be used to filter out these cases (e.g., number of employees).
Are software companies concentrated in particular locations?
The data includes a registered address for each company. This address may be the primary business location, or its headquarters, or the location of accountants/lawyers working for the business, or a P.O. Box address. The latitude/longitude of the center of each address postcode is available. The first half of the current postcode, known as the outcode, divides the country into 2,951 areas; these outcode areas are the bins I used to count companies.
Are there areas where the probability of a company being a software company is much higher than the national average (5.265%)? The plot below shows a heat map of outcode areas having a higher than average percentage of software companies (36 out of 2,277 outcodes were at least a factor of two greater than the national average; BH7 is top with 5.9 times more companies, then RG6 with 3.7 times, BH21 with 3.6); outcodes having fewer than 10 software companies were excluded (red is highest, green lowest; code+data):
The higher concentrations are centered around the country’s traditional industrial towns and cities, with a cluster sprawling out from London. Cambridge is often cited as a high-tech region, but its highest outcode, CB4, is ranked 39th, at twice the national average (presumably the local high-tech is primarily non-software oriented).
Which outcode areas contain the most software companies? The following list shows the top ten outcodes, by number of registered companies (only BN3 and CF14 are outside London):
Rank Outcode Software companies
1 WC2H 10,860
2 EC1V 7,449
3 N1 6,244
4 EC2A 3,705
5 W1W 3,205
6 BN3 2,410
7 CF14 2,326
8 WC1N 2,223
9 E14 2,192
10 SW19 1,516 |
I’m surprised to see west-central London with so many software companies. Perhaps these companies are registered at their accountants/lawyers, or they are highly paid contractors who earn enough to afford accommodation in WC2. East-central London is the location of nearly all the computer companies I know in London.
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