Accountants in Mountain Ash
Mountain Ash has 5 accountancy firms on record, including 2 supervised for anti-money-laundering. Because "accountant" is not a protected title in the UK, anyone can use it - so every listing here is cross-checked against Companies House, the HMRC anti-money-laundering register and the professional bodies, with the source and date shown on each claim. When you compare Mountain Ash firms, look past price to two things on the public record: that the firm is supervised for anti-money-laundering (a legal requirement) and, ideally, that it belongs to a body such as ICAEW, ACCA or AAT. Both are shown on every profile below.
- Since 2009longest established
- 4accounts filed on time
- 3Accounting & audit
- 1Bookkeeping
How much do Mountain Ash accountants charge? →
Accountants in Mountain Ash: quick answers
What do accountants charge in Mountain Ash?
Typical UK fees apply in Mountain Ash: GBP 150-400 for a sole trader Self Assessment return, GBP 750-2,000 a year for limited company accounts and Corporation Tax, and small-business monthly packages from around GBP 100. Full Mountain Ash cost guide →
How established are Mountain Ash's accountancy firms?
The average incorporated firm in Mountain Ash has been on the Companies House register for about 10 years; the longest-standing was incorporated in 2009.
What accountants in Mountain Ash charge
- Self Assessment tax returnGBP 150-400 one-off
- Limited company accounts + Corporation TaxGBP 750-2,000 per year
- Small business monthly packageGBP 100-300 per month
Indicative UK ranges, compiled July 2026; a Mountain Ash quote varies with complexity and how organised your records are. Full Mountain Ash cost guide →
How to choose an accountant in Mountain Ash
- Confirm AML supervision. Every UK accountant must be supervised for anti-money-laundering, by HMRC or a professional body. It is a legal requirement and the first thing to check.
- Look for a professional body. Membership of ICAEW, ACCA or AAT means real qualifications and a complaints route; the title "accountant" on its own is not protected.
- Compare fixed-fee quotes. Most Mountain Ash firms quote a fixed fee per service, so get two or three and compare like for like rather than hourly rates.
- Watch the red flags. No AML registration, no engagement letter, vague pricing or any pressure to under-declare are all reasons to walk away.
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Our sources
Every listing is drawn from public records and re-checked as they update. Primary sources:
- Companies House register (opens in new tab) - identity, incorporation and filing history.
- HMRC anti-money-laundering register (opens in new tab) - supervised-business status.
- ICAEW, ACCA and AAT membership registers - professional-body standing.