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New company incorporations in Cardiff

In the 12 months to August 2026, Companies House records in this analysis show 3,680 new companies with a registered office in Cardiff. Compared with the previous 12 months, the count increased. A registered office in Cardiff is where a company is registered, not necessarily where it trades, and an incorporation is not a confirmed trading business.

Latest complete month
240
▼ 21.6% vs Aug 2025 (306)
Last 12 months
3,680 Sep 2025 – Aug 2026
new companies
Previous 12 months
3,608 Sep 2024 – Aug 2025
rolling change ▲ 2.0%
Share of UK
0.5% registered-office basis
New companies each month

The latest 12 months (solid) over the previous 12 (dashed). A month counting fewer than 10 companies is withheld and shown as a gap, never a zero.

New company incorporations, CardiffMonthly new company incorporations in Cardiff. Solid line: September 2025 to August 2026; dashed line: September 2024 to August 2025. A month counting fewer than 10 companies is suppressed, and a month with no data recorded is left blank; neither is plotted as zero. Source: Companies House.Companies0394SepNovJanMarMayJulAugNew company incorporations · Cardiff · Sep 2025 – Aug 2026 vs prior year · Companies House
Month 2024–252025–26
Sep 295394
Oct 318370
Nov 243287
Dec 246243
Jan 327345
Feb 294291
Mar 319321
Apr 303265
May 322267
Jun 316312
Jul 319345
Aug 306240

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By industry
New company incorporations by industry, CardiffNew company incorporations in the 12 months to August 2026, by industry, for Cardiff. A industry counting fewer than 10 companies is not shown. Source: Companies House.Retail and e-commerce516Property and real estate486Hospitality and food services418Software and IT services340Construction and trades318Management consultancy215Health and social care181Manufacturing139Transport, courier and logistics119Marketing, advertising and design116By industry · Cardiff · 12 months to Aug 2026 · Companies House
Industry Previous 12 months Companies Change Share of area
Retail and e-commerce 512 516 ▲ 0.8% 14.0%
Property and real estate 512 486 ▼ 5.1% 13.2%
Hospitality and food services 421 418 ▼ 0.7% 11.4%
Software and IT services 253 340 ▲ 34.4% 9.2%
Construction and trades 267 318 ▲ 19.1% 8.6%
Management consultancy 173 215 ▲ 24.3% 5.8%
Health and social care 213 181 ▼ 15.0% 4.9%
Manufacturing 107 139 ▲ 29.9% 3.8%
Transport, courier and logistics 104 119 ▲ 14.4% 3.2%
Marketing, advertising and design 98 116 ▲ 18.4% 3.1%

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A company is counted in a group if any of its filed SIC codes falls in that group, so a company can appear in more than one group and these figures are not additive — they are not a breakdown of a whole. A filed SIC code records the activity declared at incorporation, not proof of current trading.

Where these companies are registered
Registered-office address concentration, CardiffThe share of registrations at the single most-used registered-office address, the ten most-used, and all other addresses, for Cardiff. The two review thresholds (15% at one address, 40% across the top ten) are marked. No address is shown.15% single address40% top ten
Most common address — 1.5% Next nine addresses — 5.1% All other addresses — 93.4% 2,852 distinct addresses · 0.0% postcodes unmapped

Address concentration is published as a share and a distinct-address count only; no address is shown. A registered-office address is taken from the record at extraction and may differ from the address at the time of incorporation.

How this page defines this area
Boundary
Cardiff unitary authority
Geography code
W06000015 (GSS), under geography version lr-geography-v1. Matching is by official code, never by text on the address.
Postcode mapping
The registered-office postcode is mapped to a local authority through the ONS Postcode Directory. Postcodes that cannot be mapped are counted separately, never reassigned to a neighbouring authority.
Not included
Cardiff only. The Vale of Glamorgan, Caerphilly and Newport are separate authorities and are not counted here.
What these figures do and do not show
Registered office
The address recorded at Companies House when the record was captured. It is not a verified trading location, an operational base or a founder's home.
Incorporation
A registration event. It is not evidence the company is trading, and it is not a business birth in the ONS sense.
Historical addresses
For backfilled months, the address is the one shown at extraction, which may differ from the address filed at incorporation.
SIC codes
Self-classified by the company at filing. A filed code is how the company described itself, not proof of current activity.
Cite this page
Suggested citation

Launch Register analysis of Companies House public data: private limited companies incorporated with a registered office in Cardiff in the 12 months to August 2026, geography mapped using the ONS Postcode Directory. Pages update in place, so quoting the release month keeps a figure reproducible.

https://launchregister.co.uk/company-statistics/locations/cardiff/ · Data through August 2026 · Last updated 2026-09-18 · Coverage 2024-09/2026-08 · Methodology methodology-v1 · Geography lr-geography-v1 · Industry mapping sic2007-lr-v1

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