Verified AccountantsUK firms, verified against the public record
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BYB Accountancy Limited

Accountant in Cardiff CF5

Verified & RegulatedTrust Score100/100Excellent

Companies House: 0473480339 Cardiff Rd, Cardiff, CF5 2DPData updated 07 Jul 2026

Formerly known asB Y Business Services Limited

In the local market

Byb Accountancy Limited is one of 201 accountancy practices we verify in Cardiff. Incorporated in 2003, it is among the longest-established of them. It is one of only 4 IFA-regulated firms among them, rather than under the default HMRC scheme. It advertises a wider range of services than most firms we list in Cardiff.

Verified Accountants assessment

BYB Accountancy Limited is a UK limited company based in Cardiff, incorporated in 2003 and trading for 23 years.It was previously known as B Y Business Services Limited.

Public records confirm it is anti-money-laundering supervised by IFA, a member firm of AAT, up to date with its accounts (last filed 31 Oct 2024), and running a confirmed website. Its most recent filed accounts, for the year to 31 Oct 2024, report net assets of £59,996, up from £59,244 the year before. Its website shows it handles Small business, Self Assessment, VAT, and Payroll.

How we verify →

Verification record and Trust Score

100/100

Trust Score

Excellent
Public record
AML supervised · IFA
Active company
Filing compliant
Trading 23 years
Professional qualification
  • AAT
  • ATT
  • IFA
  • ICAEW
  • ACCA
Contact
Website
Phone
Emailpending

The Trust Score is the share of the applicable public signals we have verified, scored out of 100 - fully deterministic, never subjective. How it is scored, and every signal's points →

Companies HouseActiveno. 04734803 (opens in new tab)incorporated 2003Companies House · checked 07 Jul
Registered activity
  • SIC 69201 - Accounting and auditing
The business activity the firm registered with Companies House (its Standard Industrial Classification).Companies House · checked 07 Jul
Filing complianceAccounts and confirmation statement filed on timelast accounts 31 Oct 2024 (opens in new tab)Companies House · checked 07 Jul
Professional bodyMember firm of AATFMAAT · licence 2268Association of Accounting Technicians (AAT) is a UK professional accountancy body. Member firms must meet its qualification and conduct standards and can be disciplined by it.AAT · checked 17 Jul
Anti-money-launderingSupervised by IFAIFA is one of the professional bodies approved to supervise accountants for anti-money-laundering. Every UK accountant must be supervised, by HMRC or an approved professional body, so this confirms the firm is monitored and operating legitimately.AAT · checked 17 Jul
Professional bodyMember firm of IFAInstitute of Financial Accountants (IFA) is a UK professional accountancy body. Member firms must meet its qualification and conduct standards and can be disciplined by it.probody-ifa · checked 29 Jul
Professional bodyMember firm of ATTATTAssociation of Taxation Technicians (ATT) is a UK professional accountancy body. Member firms must meet its qualification and conduct standards and can be disciplined by it.probody-att · checked 30 Jul
Sources: Companies House (opens in new tab), AAT, probody-ifa, probody-att
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Good fit for

  • Handles Small business, Self Assessment, VAT and Payroll

Specialisms and services

Services
AccountantSmall businessSelf AssessmentVATPayrollBookkeepingLimited company accountsContractorManagement AccountsCompany Formation
Tax
Capital AllowancesInvestigationsNational InsurancePartnershipsPayroll and EmploymentPersonal Tax - UK AdvisoryPersonal Tax - UK complianceTrusts, Estates and Inheritance TaxValue Added Tax - UK compliance

Message this firm

Send an enquiry and we will pass it to BYB Accountancy Limited. No account needed - just your contact details and what you need help with.

We share your message with this firm to answer your enquiry.

People at BYB Accountancy Limited

Directors and officers (1)

  • LATHWOOD, Sara AngharadDirector · since 2026

Persons with significant control (1)

  • Mr Gary Mark ButtOwns 50-75% of shares, 50-75% of voting rights, Can appoint or remove directors

Source: Companies House register (opens in new tab).

Financials (as filed)

Companies House filing history (opens in new tab) | 2013 to 2024
Net assets
£60k
as at 31 Oct 2024+£752 vs 2023
Current assets
£81k
as at 31 Oct 2024+£14k vs 2023
Average employees
8
as at 31 Oct 2024
Current assets (cash, debtors, other) and net assets by year, in £. Latest year first.
202420232022202120202019201820172016201520142013
CashDebtorsOtherNet assets
Full figures
As filed31 Oct 202431 Oct 202331 Oct 202231 Oct 202131 Oct 202031 Oct 201931 Oct 201830 Sep 201730 Sep 201630 Sep 201530 Sep 201430 Sep 2013
Average employees88877666
Net assets£59,996£59,244£36,499£43,075£36,827£33,513£10,964£2,008
Cash at bank£911£781£325£4,704
Current assets£80,554£66,098£62,829£68,642£56,537£49,131£40,516£47,176£19,809£25,235£27,538£31,516
Fixed assets£96,477£113,599£74,274£78,428£71,642£12,283£12,370£14,395£16,230
Debtors£18,898£24,454£27,213£26,812
Shareholders equity£59,996£59,244£36,499£43,075£36,827£33,513£27,319£18,365£10,861£11,597£10,964£2,008

Figures as reported in this firm's accounts filed at Companies House. Net assets is total assets less what the company owes; a figure below zero means recorded liabilities exceed assets. Small companies may file abbreviated accounts that omit turnover and profit. Public record, reproduced as facts.

Timeline

  1. 2003Company incorporated
  2. 2024Latest accounts filed
  3. 2026Verified on this directory

Frequently asked questions

Is BYB Accountancy Limited a regulated accountant?

Yes. BYB Accountancy Limited is a member firm of AAT, IFA, and ATT, and is supervised for anti-money-laundering by IFA. Every UK accountant must be supervised for anti-money-laundering, by HMRC or an approved professional body, so this confirms the firm is authorised to practise and monitored for compliance.

Is BYB Accountancy Limited a chartered accountant?

BYB Accountancy Limited is a member firm of AAT, IFA, and ATT, a UK professional accountancy body, but it is not a chartered firm. Chartered status is conferred only by bodies such as ICAEW, ICAS or ACCA.

What services does BYB Accountancy Limited offer?

Based on its own website, BYB Accountancy Limited offers Small business, Self Assessment, VAT, Payroll, Bookkeeping, and Limited company accounts. Confirm current services and availability with the firm before engaging. Message this firm →

How long has BYB Accountancy Limited been established?

BYB Accountancy Limited was incorporated at Companies House in 2003, so it has been on the register for about 23 years. A longer trading history is one sign of an established, accountable firm, though a newer firm is not necessarily less capable.

Does BYB Accountancy Limited file its accounts on time?

Yes. According to Companies House, BYB Accountancy Limited's most recent statutory accounts were filed by their due date. On-time filing is a basic sign that a company is being administered properly.

How do you verify BYB Accountancy Limited?

We build this record only from public, authoritative sources - for this firm, Companies House, AAT, probody-ifa, and probody-att, and stamp every claim with its source and the date we last checked it. We show only what we can verify and say so plainly when we cannot. How we verify →

How is the Trust Score calculated?

The Trust Score is fully deterministic: fixed points for public, verified signals - an active company, anti-money-laundering supervision, filing compliance, a confirmed website and trading history. BYB Accountancy Limited scores 100/100. Nothing in the score is subjective, and every rule is listed on this page. How we verify →

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