UK companies in Durham
Durham is a cathedral and university city in the North East, with education, health and small professional firms prominent. 5,248 active companies have their registered office here, and 868 new ones were set up in the last twelve months.
Key facts
- 5,248 active companies are registered to a Durham post town on the Companies House snapshot of August 2026.
- 868 new companies started here in the last twelve months, about 72 a month, and 73 in August 2026.
- The most common code is Other letting and operating of own or leased real estate (SIC 68209), with 334 companies.
- The busiest postcode districts are DH1, DH7, DH6, DH8.
New companies in Durham
868 new companies were set up with a Durham registered office in the last twelve full months, about 72 a month. 73 of them were set up in August 2026. That sits on top of 5,248 active companies already registered here.
What the new ones do: Buying and selling of own real estate leads, with 51 new companies in the year.
Selling to new Durham companies
A company in its first months is still choosing who it works with. Reaching it then, with a short email that names what it has just started, is often the easiest time to win them as a client.
- Marketing agenciesA new company needs a website, a logo and its first customers, usually before it has picked anyone to help.
- AccountantsEvery new company owes a first set of accounts and a confirmation statement, and many have no accountant yet.
- IT and software firmsEmail, devices and security get set up in the first months, and the choices made then tend to stick.
- Insurance brokersEmployers' liability, professional indemnity and van cover are bought early, often in a hurry.
- RecruitersThe first hires come quickly once a new company wins work.
Leadistry reads the new Durham registrations every morning, keeps the ones with a working website and a real email, and writes the first email for you to approve. The first 25 leads are free.
Get new Durham companies as leadsThe most registered SIC codes in Durham
Counting active companies whose registered office is a Durham post town, these are the codes that come up most often on the August 2026 Companies House snapshot. Other letting and operating of own or leased real estate leads with 334 companies. It is worth reading against the sectors below: the authored view is what Durham is known for, this is what its companies actually filed.
- 68209Other letting and operating of own or leased real estate334
- 68100Buying and selling of own real estate296
- 47910Retail sale via mail order houses or via the internet204
- 70229Other management consultancy activities (not financial)201
- 64209Activities of other holding companies n.e.c.150
- 41202Construction of domestic buildings112
- 41100Development of building projects108
- 82990Other business support service activities n.e.c.106
Pick a code, then narrow by postcode and date. Every company you pull carries a working website and a real email, and we never charge for the ones we cannot complete.
Why do these counts add up to more than the total?
A company may register up to four SIC codes and these counts include every position, so a business filed under two of them appears twice.
Dominant sectors in Durham
Postcode filter
To target Durham on Leadistry, set the postcode prefix filter to:
DH1, DH7, DH6, DH8, DH4, DH3The search returns companies with a registered office in any of these postcode areas. Add a SIC code filter from the table above to narrow by sector.
About Durham on Companies House
How many companies are registered in Durham?
5,248 active companies have a registered office in Durham, counted from the Companies House snapshot of August 2026. Dissolved companies are not counted.
How many new businesses start in Durham each month?
868 new companies were set up in Durham in the last twelve full months, about 72 a month. 73 were set up in August 2026.
What do new Durham companies do?
The most common code among companies set up in Durham in the last year is Buying and selling of own real estate (SIC 68100), with 51 of them. Next come Retail sale via mail order houses or via the internet and Other letting and operating of own or leased real estate.
How do I reach new Durham companies before anyone else?
Set a Leadistry agent to the Durham postcode districts (DH1, DH7, DH6) and the trades you sell to. Each morning it finds the new companies that match, checks each one has a working website and a real email, and writes the first email for you to read and approve.
Nearby and related cities: Newcastle upon Tyne · Sunderland · Wrexham · Lichfield · Truro · Derry · Inverness · Lancaster · Every UK city
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