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Gym and personal training companies in the Belfast area

506 gym and personal training companies have a registered office in the Belfast area (BT postcodes), and 157 of them were formed in 2025 or 2026. In their latest accounts, the typical one held £5,518 in cash and owed £18,818 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. Covers companies with a registered office in BT postcodes, including Belfast, Derry, Londonderry, Lisburn.

The numbers

Gym and personal training companies in the Belfast area (BT postcodes) compared with the same category across the UK. Typical figures are medians.
MeasureBelfastUK
Registered companies50614,497
Formed in 2025 or 2026157 (31%)30%
Being struck off or in liquidation48 (9.5%)9.2%
Typical cash at year end£5,51862 accounts£6,688
Typical amount owed at year end£18,818238 accounts£18,251
Typical number of employees1252 accounts1

What this means if you’re starting one

the Belfast area (BT postcodes) already has more of these businesses than most places

Gym and personal training companies are 0.57% of companies registered in the Belfast area (BT postcodes), against 0.27% UK-wide (2.2× the national share).

Demand here is proven, but so is choice. Customers can compare you with several nearby options.

Most of your competition will be other newcomers

31% of the 506 gym and personal training companies in the Belfast area (BT postcodes) were formed in 2025–26, against 19% of all companies in the Belfast area (BT postcodes). 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.

Cash is tight in this trade

At year end the typical gym and personal training company in the Belfast area (BT postcodes) holds £5,518 in cash and owes £18,818; 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.

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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 Belfast

All business benchmarks in Belfast