# Gas engineers in Cardiff

55 gas engineers near Cardiff, ranked by the strength of independent public evidence (reviews, verified credentials and registry data cross-checked across named sources — no ads, no paid placement). Below are the top 12 by evidence.

| Trader | Location | Rating | Reviews | Named sources |
| --- | --- | --- | --- | --- |
| [J R Heating services LTD](https://mytrustedtraders.com/traders/j-r-heating-services-ltd-3) | Barry | 4.6/5 | 143 | Checkatrade, Companies House, MyBuilder |
| [South Wales Heating Ltd](https://mytrustedtraders.com/traders/south-wales-heating-ltd-2) | Caerphilly | 5.0/5 | 55 | Checkatrade |
| [CAPITAL 2020 LTD](https://mytrustedtraders.com/traders/capital-2020-ltd) | Bridgend | 5.0/5 | 38 | Checkatrade |
| [PegMist](https://mytrustedtraders.com/traders/pegmist) | Penarth | 5.0/5 | 7 | Checkatrade |
| [BG Heat Limited](https://mytrustedtraders.com/traders/bg-heat-limited) | Caerphilly | 4.8/5 | 3 | Checkatrade |
| [ADM Gas Plumbing and Heating](https://mytrustedtraders.com/traders/adm-gas-plumbing-and-heating) | Cardiff | — | 0 | Checkatrade |
| [Home](https://mytrustedtraders.com/traders/c-j-c-plumbing) | 7 Roundel Close, Thornhill , Cardiff , CF149ES | — | 0 | Thomson Local |
| [MLR Plumbing](https://mytrustedtraders.com/traders/mlr-plumbing) | Cardiff | — | 0 | Checkatrade |
| [Element Gas](https://mytrustedtraders.com/traders/element-gas) | Caerphilly | 5.0/5 | 140 | Checkatrade, Companies House |
| [FLOW PLUMBING AND HEATING LTD](https://mytrustedtraders.com/traders/flow-plumbing-and-heating-ltd-2) | Cardiff | 5.0/5 | 170 | Checkatrade, Companies House |
| [E & O Heating Solutions](https://mytrustedtraders.com/traders/e-o-heating-solutions) | Cardiff | 5.0/5 | 82 | Checkatrade, Companies House |
| [R&M Electrical (SW) Limited](https://mytrustedtraders.com/traders/r-m-electrical-sw-limited) | Cardiff | 4.9/5 | 145 | Checkatrade, Companies House |

Each trader's full public-evidence record is at its profile URL (append `/md` for a Markdown version). See all gas engineers in the United Kingdom at `https://mytrustedtraders.com/find/gas-installer`.

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Source: MyTrustedTraders — https://mytrustedtraders.com/find/gas-installer/cardiff
Real public evidence only: every figure traces to a named source and is cross-checked. If a source does not carry a field, it is not shown.