Find clients for your agency in Cardiff
The Cardiff council area counts 2,295 local businesses of the kinds agencies sell websites, SEO and ads to. The biggest groups: 870 restaurants and takeaways, 320 hair and beauty salons and 280 builders. 80 advertising agencies compete for them.
The local businesses agencies sell to in Cardiff
Counts of business sites (local units, rounded to 5) by trade in the Cardiff council area, per 10,000 residents, against the median of the 32 UK cities on this list.
| Trade | Businesses | Per 10,000 residents | vs median |
|---|---|---|---|
| Estate agents | 175 | 4.6 | +21% |
| Electricians | 215 | 5.6 | +15% |
| Plumbing and heating | 195 | 5.1 | +8% |
| Hair and beauty salons | 320 | 8.4 | +7% |
| Restaurants and takeaways | 870 | 22.8 | +6% |
| Builders | 280 | 7.3 | at the median |
| Garages and vehicle repair | 240 | 6.3 | −10% |
Source: ONS UK Business Counts, March 2026; population 381,516 (ONS mid-2025 estimate). Council area, not the wider metro area. Counts change as businesses open and close.
Where Cardiff stands out
- Estate agents: 4.6 per 10,000 residents, 21% above the median of the 32 UK cities on this list (rank 10 of 32).
- Electricians: 5.6 per 10,000 residents, 15% above the median (rank 12).
- Garages and vehicle repair: scarcer here (10% below the median), so fewer prospects, each with fewer rivals.
- Competition: 80 advertising agencies for 15,460 businesses of all kinds, one for every 193. The median across the 32 UK cities on this list is one for every 191, so Cardiff ranks 16 of 32 on businesses per agency (1 is the least crowded): more businesses per agency than most, more room for you.
What our own searches found in Cardiff
LeadsIt searched 8 trades in Cardiff in October 2026: 179 of 767 businesses had no website of their own, only a Facebook, Instagram, booking or free builder page, or nothing. See them by trade.
How Cardiff compares with nearby and similar cities
Of these 7 cities, Milton Keynes has the most of these businesses per resident and Swansea the most businesses per agency.
| City | Local businesses | Per 10,000 residents | Businesses per agency | Strongest trade, vs median |
|---|---|---|---|---|
| Cardiff | 2,295 | 60 | 193 | Estate agents (+21%) |
| Swansea | 1,495 | 60 | 343 | Electricians (+27%) |
| Coventry | 1,790 | 49 | 299 | Builders (+25%) |
| Belfast | 1,860 | 53 | 185 | Restaurants and takeaways (+15%) |
| Nottingham | 1,755 | 54 | 165 | Garages and vehicle repair (+5%) |
| Newcastle upon Tyne | 1,850 | 58 | 147 | Hair and beauty salons (+27%) |
| Milton Keynes | 1,900 | 62 | 201 | Estate agents (+49%) |
Your first three lists in Cardiff
- Restaurants and takeaways: 870 businesses, close to the median per resident, so the volume is the reason to start here (rank 13 of 32).
- Hair and beauty salons: 320 businesses, close to the median per resident, so the volume is the reason to start here (rank 11 of 32).
- Builders: 280 businesses, close to the median per resident, so the volume is the reason to start here (rank 16 of 32).
How to work a list, from the "No website" filter to the first call: LeadsIt for agencies.
Frequently asked questions
How many local businesses can an agency prospect in Cardiff?
ONS UK Business Counts, March 2026 counts 2,295 business sites (local units, rounded to 5) in the trades on this page in the Cardiff council area, including 870 restaurants and takeaways, 320 hair and beauty salons and 280 builders.
How many marketing agencies are there in Cardiff?
80 advertising agencies in the Cardiff council area (ONS UK Business Counts, March 2026), one for every 193 businesses, against a median of one for every 191 across the 32 UK cities on this list.
Which trade should an agency target first in Cardiff?
By volume, restaurants and takeaways (870). Relative to its size, Cardiff stands out most on estate agents: 4.6 per 10,000 residents, rank 10 of 32. Our own searches there found 179 of 767 businesses without a website of their own.