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Gym and personal training companies in Cardiff

217 gym and personal training companies have a registered office in Cardiff, and 65 of them were formed in 2025 or 2026. In their latest accounts, the typical one held £5,059 in cash and owed £15,000 at year end.

Companies House register, 1 September 2026, and accounts filed in the last twelve months. Compared with the official category “Fitness facilities” (SIC 93130), which also covers personal trainer.

The numbers

Gym and personal training companies in Cardiff compared with the same category across the UK. Typical figures are medians.
MeasureCardiffUK
Registered companies21714,497
Formed in 2025 or 202665 (30%)30%
Being struck off or in liquidation45 (21%)9.2%
Typical cash at year end£5,05941 accounts£6,688
Typical amount owed at year end£15,00097 accounts£18,251
Typical number of employees198 accounts1

What this means if you’re starting one

Cash is tight in this trade

At year end the typical gym and personal training company in Cardiff holds £5,059 in cash and owes £15,000; that cash figure is lower than 93% of UK industries.

Typical operators end the year holding less cash than they owe, so there is little slack if takings dip or a big bill lands early.

Most of these businesses are run by one or two people

The typical gym and personal training company in Cardiff reports 1 employee; the top quarter has 3 or more (98 filings).

You are mostly up against owner-operators. Your own hours are likely to be your biggest cost, and the easiest one to undercount.

Most of your competition will be other newcomers

30% of the 217 gym and personal training companies in Cardiff were formed in 2025–26, against 26% of all companies in Cardiff. Nationally, that share of new companies is higher than 88% of UK industries.

New rivals are arriving faster than in most trades, so your customers already have fresh options. Being new is not a difference on its own.

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What these figures can’t tell you

Companies are counted where their registered office is, which may be an accountant or a home address rather than a shop. Sole traders and partnerships are not on the register, and electronically filed accounts cover roughly 60–75% of accounts filed each year. The figures describe companies that exist; they cannot prove demand for your idea or predict whether it will work. How the figures are built.

Gym and personal training in other places

Other businesses in Cardiff

All business benchmarks in Cardiff