Verified AccountantsUK firms, verified against the public record
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Horizon Tax Ltd

Accountant in Bicester OX26

Verified & RegulatedTrust Score100/100Excellent

Companies House: 0853615816 Durham Cl, Bicester, OX26 1EYData updated 07 Jul 2026

In the local market

Horizon Tax Ltd is one of 29 accountancy practices we verify in Bicester. It is one of only 7 AAT-regulated firms among them, rather than under the default HMRC scheme.

Verified Accountants assessment

Horizon Tax Ltd is a UK limited company based in Bicester, incorporated in 2013 and trading for 13 years.

Public records confirm it is anti-money-laundering supervised by AAT, a member firm of AAT, up to date with its accounts (last filed 31 May 2025), and running a confirmed website. Its most recent filed accounts, for the year to 31 May 2025, report net assets of £7,446, down from £41,919 the year before. Its website shows it handles Self Assessment, Payroll, Bookkeeping, and Limited company accounts and works with QuickBooks and FreeAgent.

How we verify →

Verification record and Trust Score

100/100

Trust Score

Excellent
Public record
AML supervised · AAT
Active company
Filing compliant
Trading 13 years
Professional qualification
  • AAT
  • 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. 08536158 (opens in new tab)incorporated 2013Companies House · checked 07 Jul
Registered activity
  • SIC 69201 - Accounting and auditing
  • SIC 69202 - Bookkeeping
  • SIC 69203 - Tax consultancy
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 May 2025 (opens in new tab)Companies House · checked 07 Jul
Professional bodyMember firm of AATFMAAT · licence 1000162Association 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 AATAAT 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
Sources: Companies House (opens in new tab), AAT
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Good fit for

  • Works in QuickBooks and FreeAgent
  • Handles Self Assessment, Payroll, Bookkeeping and Limited company accounts

Specialisms and services

Services
Self AssessmentPayrollBookkeepingLimited company accountsCIS
Software
QuickBooksFreeAgent

Message this firm

Send an enquiry and we will pass it to Horizon Tax Ltd. 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 Horizon Tax Ltd

Persons with significant control (1)

  • Mrs Magdalena Dominika MikulskaOwns 75-100% of shares, Owns 75-100% of shares, 75-100% 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) | 2017 to 2025
Net assets
£7.4k
as at 31 May 2025-£34k vs 2024
Current assets
£10k
as at 31 May 2025-£33k vs 2024
Average employees
1
as at 31 May 2025
Current assets (cash, debtors, other) and net assets by year, in £. Latest year first.
202520242023202220212020201920182017
CashDebtorsOtherNet assets
Full figures
As filed31 May 202531 May 202431 May 202331 May 202231 May 202131 May 202031 May 201931 May 201831 May 2017
Average employees1121111
Net assets£7,446£41,919£3,852£2,741£3,927£15,247£15,072£11,955£11,824
Current assets£10,357£43,566£25,168£22,311£5,711£26,098£21,350£18,039£14,719
Fixed assets£300£450£600£750£900
Shareholders equity£7,446£41,919£3,852£2,741£3,927£15,247£15,072£11,955£11,824

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. 2013Company incorporated
  2. 2025Latest accounts filed
  3. 2026Verified on this directory

Frequently asked questions

Is Horizon Tax Ltd a regulated accountant?

Yes. Horizon Tax Ltd is a member firm of AAT, and is supervised for anti-money-laundering by AAT. 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 Horizon Tax Ltd a chartered accountant?

Horizon Tax Ltd is a member firm of AAT, 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 Horizon Tax Ltd offer?

Based on its own website, Horizon Tax Ltd offers Self Assessment, Payroll, Bookkeeping, Limited company accounts, and CIS. Confirm current services and availability with the firm before engaging. Message this firm →

How long has Horizon Tax Ltd been established?

Horizon Tax Ltd was incorporated at Companies House in 2013, so it has been on the register for about 13 years. A longer trading history is one sign of an established, accountable firm, though a newer firm is not necessarily less capable.

Does Horizon Tax Ltd file its accounts on time?

Yes. According to Companies House, Horizon Tax Ltd'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 Horizon Tax Ltd?

We build this record only from public, authoritative sources - for this firm, Companies House and AAT, 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. Horizon Tax Ltd scores 100/100. Nothing in the score is subjective, and every rule is listed on this page. How we verify →

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