Verified AccountantsUK firms, verified against the public record
Diamond Accounting (southern) Ltd website icon

Diamond Accounting (southern) Ltd

Chartered Certified Accountants in Southampton SO40

Verified & RegulatedTrust Score100/100Excellent

Companies House: 1026353233 Chapel Lane, Totton, Southampton, SO40 9LAData updated 07 Jul 2026

In the local market

Diamond Accounting (Southern) Ltd is one of 178 accountancy practices we verify in Southampton. It advertises a wider range of services than most firms we list in Southampton.

Verified Accountants assessment

Diamond Accounting (southern) Ltd is a UK limited company based in Southampton, incorporated in 2016 and trading for 10 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 2026), and running a confirmed website. Its website shows it handles Self Assessment, Payroll, Bookkeeping, and Limited company accounts and works with Xero.

How we verify →

Verification record and Trust Score

100/100

Trust Score

Excellent
Public record
AML supervised · AAT
Active company
Filing compliant
Trading 10 years
Professional qualification
  • ACCA
  • AAT
  • ICAEW
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. 10263532 (opens in new tab)incorporated 2016Companies House · checked 07 Jul
Registered activity
  • SIC 69202 - Bookkeeping
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 2026 (opens in new tab)Companies House · checked 07 Jul
Professional bodyMember firm of AATMAAT AATQBAssociation 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
Anti-money-launderingSupervised by HMRCMLR XSML00000183052By law, every UK accountant must be supervised for anti-money-laundering, by HMRC or an approved professional body. Being on the HMRC supervised register means this firm is monitored and operating legitimately.HMRC AML register · checked 20 Jul
Professional bodyMember firm of ACCAAssociation of Chartered Certified Accountants (ACCA) is a UK professional accountancy body. Member firms must meet its qualification and conduct standards and can be disciplined by it.ACCA · checked 21 Jul
Anti-money-launderingSupervised by ACCAACCA 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.ACCA · checked 21 Jul
Sources: Companies House (opens in new tab), AAT, HMRC AML register (opens in new tab), ACCA
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Good fit for

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

Specialisms and services

Certified
Xero Silver Partner - since 2021
Services
AccountantSelf AssessmentPayrollBookkeepingLimited company accountsAuditCISManagement AccountsCompany Formation

Message this firm

Send an enquiry and we will pass it to Diamond Accounting (southern) 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 Diamond Accounting (southern) Ltd

Persons with significant control (2)

  • Miss Megan Laine SeagraveOwns 25-50% of shares
  • Mr Aaron CarterOwns 25-50% of shares

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

Financials (as filed)

Companies House filing history (opens in new tab) | 2023 to 2026
Current assets
£60k
as at 31 May 2026-£33k vs 2025
Average employees
6
as at 31 May 2026+6 vs 2025
Current assets (cash, debtors, other) and net assets by year, in £. Latest year first.
2026202520242023
CashDebtorsOtherNet assets
Full figures
As filed31 May 202631 Jul 202531 Jul 202431 Jul 2023
Average employees6064
Current assets£59,983£92,976£20,794£17,100
Fixed assets£5,138£5,138£32,453£21,284
Shareholders equity£19,775£36,015-£21,739-£11,462

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. 2016Company incorporated
  2. 2026Latest accounts filed
  3. 2026Verified on this directory

Frequently asked questions

Is Diamond Accounting (southern) Ltd a regulated accountant?

Yes. Diamond Accounting (southern) Ltd is a member firm of AAT and ACCA, 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 Diamond Accounting (southern) Ltd a chartered accountant?

Yes. Diamond Accounting (southern) Ltd is a member firm of ACCA, so it can use the title Chartered Certified Accountants. "Chartered" and "Chartered Certified" are legally protected UK terms that only members of these bodies may use.

What services does Diamond Accounting (southern) Ltd offer?

Based on its own website, Diamond Accounting (southern) Ltd offers Self Assessment, Payroll, Bookkeeping, Limited company accounts, Audit, and CIS. Confirm current services and availability with the firm before engaging. Message this firm →

What accounting software does Diamond Accounting (southern) Ltd use?

Diamond Accounting (southern) Ltd is Xero (Silver partner), so it works with Xero. Certified partners are trained on the software and listed in the vendor's own advisor directory.

How long has Diamond Accounting (southern) Ltd been established?

Diamond Accounting (southern) Ltd was incorporated at Companies House in 2016, so it has been on the register for about 10 years. A longer trading history is one sign of an established, accountable firm, though a newer firm is not necessarily less capable.

Does Diamond Accounting (southern) Ltd file its accounts on time?

Yes. According to Companies House, Diamond Accounting (southern) 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 Diamond Accounting (southern) Ltd?

We build this record only from public, authoritative sources - for this firm, Companies House, AAT, HMRC AML register, and ACCA, 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. Diamond Accounting (southern) 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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