Verified AccountantsUK firms, verified against the public record
S.M. Armstrong Limited website icon

S.M. Armstrong Limited

Accountant in Staines-upon-Thames TW18

Verified & RegulatedTrust Score100/100Excellent

Companies House: 0456618215-17 Church St, Staines, TW18 4ENData updated 07 Jul 2026

In the local market

S.M. Armstrong Limited is one of 18 accountancy practices we verify in Staines-Upon-Thames. Incorporated in 2002, it is among the longest-established of them. It is one of only 4 AAT-regulated firms among them, rather than under the default HMRC scheme. It advertises a wider range of services than most firms we list in Staines-Upon-Thames.

Verified Accountants assessment

S.M. Armstrong Limited is a UK limited company based in Staines-upon-Thames, incorporated in 2002 and trading for 24 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 30 Apr 2025), and running a confirmed website. Its most recent filed accounts, for the year to 30 Apr 2025, report net assets of £38,312, down from £50,302 the year before. Its website shows it handles Self Assessment, VAT, Payroll, and Bookkeeping and works with Sage.

How we verify →

Verification record and Trust Score

100/100

Trust Score

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

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. 04566182 (opens in new tab)incorporated 2002Companies 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 30 Apr 2025 (opens in new tab)Companies House · checked 07 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
Professional bodyMember firm of AATAssociation 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.firm website · 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, firm website (opens in new tab), probody-att
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Good fit for

  • Works in Sage
  • Handles Self Assessment, VAT, Payroll and Bookkeeping

Specialisms and services

Services
AccountantSelf AssessmentVATPayrollBookkeepingLimited company accountsCompany Formation
Tax
Capital AllowancesNational InsurancePartnershipsPayroll and EmploymentPersonal Tax - UK compliance
Software
Sage

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People at S.M. Armstrong Limited

Directors and officers (1)

  • ARMSTRONG, Margaret AnnSecretary · since 2002

Persons with significant control (1)

  • Mr Stephen Michael ArmstrongOwns 75-100% of shares

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

Financials (as filed)

Companies House filing history (opens in new tab) | 2019 to 2025
Net assets
£38k
as at 30 Apr 2025-£12k vs 2024
Current assets
£63k
as at 30 Apr 2025-£18k vs 2024
Average employees
4
as at 30 Apr 2025
Current assets (cash, debtors, other) and net assets by year, in £. Latest year first.
2025202420232022202120202019
CashDebtorsOtherNet assets
Full figures
As filed30 Apr 202530 Apr 202430 Apr 202330 Apr 202230 Apr 202130 Apr 202030 Apr 2019
Average employees4454444
Net assets£38,312£50,302£44,073£58,880£64,101£67,833£78,413
Current assets£63,457£81,128£82,423£82,187£94,960£92,587£95,300
Fixed assets£378£378£7,473£9,923£13,181£17,514£23,352
Shareholders equity£38,312£50,302£44,073£58,880£64,101£67,833£78,413

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. 2002Company incorporated
  2. 2025Latest accounts filed
  3. 2026Verified on this directory

Frequently asked questions

Is S.M. Armstrong Limited a regulated accountant?

Yes. S.M. Armstrong Limited is a member firm of AAT and ATT, 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 S.M. Armstrong Limited a chartered accountant?

S.M. Armstrong Limited is a member firm of AAT 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 S.M. Armstrong Limited offer?

Based on its own website, S.M. Armstrong Limited offers Self Assessment, VAT, Payroll, Bookkeeping, Limited company accounts, and Company Formation. Confirm current services and availability with the firm before engaging. Message this firm →

How long has S.M. Armstrong Limited been established?

S.M. Armstrong Limited was incorporated at Companies House in 2002, so it has been on the register for about 24 years. A longer trading history is one sign of an established, accountable firm, though a newer firm is not necessarily less capable.

Does S.M. Armstrong Limited file its accounts on time?

Yes. According to Companies House, S.M. Armstrong 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 S.M. Armstrong Limited?

We build this record only from public, authoritative sources - for this firm, Companies House, AAT, firm website, 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. S.M. Armstrong 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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