ALVER-STONES PORTSMOUTH LIMITED

🌳Matureactive

04685682 · ltd · incorporated 2003-03-04

Investment thesis

Established operating company — standard diligence applies, no dominant angle.

Why interesting: Live, filing, normal profile.

Why risky: No standout signals in either direction.

🔒Estimated value

—

Upgrade to see

Turnover

—

year to Mar 2025

Net worth

£159.8k

book net assets

Opportunity

81/100

Exceptional

🔒Generate AI memo →🔒Outreach pack →🔒Corporate story →📑 Reports →Sign in to watch

What this business does

Primary activity: SIC 23700

Sector: Manufacturing

Investor take

Pursue

Strong opportunity: asset-holding vehicle with exceptional profile and bankable structure.

Opportunity 81/100 (exceptional), bankability 75/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).

Data confidence

Overall: medium (76/100)

Adequate coverage. AI outputs are reliable for the sections scored high; verify the rest in diligence.

Company profile

address, 1 SIC codes, incorporation date

100

Financials

2 years of iXBRL accounts extracted (YoY deltas available) + narrative notes parsed

Lenders & charges

Confirmed no charges registered

Directors & officers

7 officers (5 active, 7 linked, 4 with DOB)

Ownership & PSC

4 active PSC(s) of 4 total, 4 with control declared

Director network

Network not yet resolved

Filing history

71 filings on record

Gazette notices

No matching gazette notices (standard for active companies)

Opportunity Score

81/100Exceptional

PassWatchWorth a lookStrongExceptional

Strong composite across quality, acquirability, and risk. High-priority target — progress to serious diligence.

Business quality

Active, clean filings, stable charge profile.

Acquirability

Strong succession / seller-readiness signals.

Risk profile

Few red flags.

Signal strength

Good data coverage for analysis.

Signals from accounts

Derived from iXBRL accounts · accounting standard not declared

Positive net assets

Net assets £159,839

Cash YoY

+3%

Year on year

Key financials

2 years extracted from filed iXBRL accounts

Cash

£171k

↑ 2.8% YoY

Net Worth

£160k

↑ 2.5% YoY

Current Assets

£258k

↑ 4.9% YoY

Current Liabilities

—

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown

Metric	2025-03-31	2024-03-31
Total assets	£168.2k	£166.3k
Current assets	£257.9k	£245.9k
Cash	£171.2k	£166.6k
Debtors	£43.8k	£32.7k
Net assets	£159.8k	£155.9k

Amounts extracted automatically from iXBRL. Fields left blank were not reported or not mapped. Values in GBP unless stated.

🔒Filing-note intelligence

2 signals detected in this company's narrative notes — going-concern language, audit opinion, contingent liabilities, related-party transactions.

Available from the Pro tier upwards.

See pricing →

Recent activity

Last 30 days

filings

Last 90 days

filings

• 4 persons-with-significant-control
• 3 officers
• 1 confirmation-statement

Last 180 days

filings

• 4 persons-with-significant-control
• 3 officers
• 1 confirmation-statement

Counts from Companies House filing history.

Corporate timeline (26 events)Click to expand

2026-05-20
📄
replacement-filing-of-director-appointment-with-name
officers · RP01AP01
2026-05-07
📄
change-person-director-company-with-change-date
officers · CH01
2026-05-06
📄
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2026-05-06
📄
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2026-05-06
📄
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2026-05-06
📄
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2026-05-06
📄
change-person-director-company-with-change-date
officers · CH01
2026-05-06
📍
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2025-11-20
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-09-11
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-09-26
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-11-29
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-11-15
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2020-09-30
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2019-11-15
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2018-10-18
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2015-09-01
➕
DOWDELL, Nicola Marie appointed
director
2008-04-01
➕
DOWDELL, Robert Graham appointed
director
2003-03-04
🏢
Company incorporated
As ALVER-STONES PORTSMOUTH LIMITED
2003-03-04
➕
DOWDELL, Prudence Rita appointed
secretary
2003-03-04
➕
DOWDELL, Graham Earl appointed
director
2003-03-04
➕
DOWDELL, Prudence Rita appointed
director
2003-03-04
➕
WATERLOW SECRETARIES LIMITED appointed
corporate-nominee-secretary
2003-03-04
➖
WATERLOW SECRETARIES LIMITED resigned
corporate-nominee-secretary
2003-03-04
➕
WATERLOW NOMINEES LIMITED appointed
corporate-nominee-director
2003-03-04
➖
WATERLOW NOMINEES LIMITED resigned
corporate-nominee-director

Owner dependency

73/100

High — earn-out structure required

Material founder dependency. Consider a 2-3 year earn-out and build in a handover plan before completion.

FACTORS

-4 active directors: Broader management team in place — suggests transferable governance.
+Long-tenure founder: Senior director has been in place 23 years — deep operational knowledge concentrated in one person.
+Founder age: Director aged approximately 74 — succession pressure is live.
+Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

90/100

Likely off-market candidate

Strong acquirability signals converging. Worth approaching directly — this is how off-market deals start.

SIGNALS

primaryFounder aged 70+: Senior director is approximately 74 years old. Natural succession window is now.
primary20+ year tenure: Director in role 23 years. Very long tenure is a classic succession signal.
secondaryStable-but-static management: Company is 23 years old and no new directors in the last 3 years — succession not yet being planned internally.
supportingClean filings + long tenure: Disciplined long-tenure operator — classic lifestyle-business pattern that often sells quietly.

Red flags

clean

No red flags detected from available public data. (This is not a clean bill of health — detailed accounts review still recommended.)

Shareholders & ownership

4 active beneficial owners · fragmented

Name	Shares	Voting rights	Nature of control	Notified
Mr Graham Earl Dowdell Individual · British · DOB 04/1952 · age 74	25–50%	25–50%	25-50% shares · 25-50% voting	01/03/2017
Mrs Prudence Rita Dowdell Individual · British · DOB 05/1954 · age 72	25–50%	25–50%	25-50% shares · 25-50% voting	01/03/2017
Mr Robert Graham Dowdell Individual · British · DOB 09/1984 · age 42	25–50%	25–50%	25-50% shares · 25-50% voting	01/03/2017
Mrs Nicola Marie Dowdell Individual · British · DOB 10/1981 · age 45	25–50%	25–50%	25-50% shares · 25-50% voting	01/03/2017

From Companies House Persons with Significant Control filings. Share ranges are banded per the public PSC regime.

Similar companies

Active · Manufacturing · PO postcode area

Company	Est. value	Turnover	Net worth	Staff	Age	Opp	Director
A.P. ENGINEERING (PORTSMOUTH) LIMITED→ 00746816 · est 1963 · no financials extracted	—	—	—	—	63y	—	—
AA HEATING GROUP LTD→ 15885450 · est 2024 · no financials extracted	—	—	—	—	1y	—	—
AIRFIX TECHNICAL SERVICES LTD→ 13300181 · est 2021 · no financials extracted	—	—	—	—	5y	—	—
AJW77 LIMITED→ 14047914 · est 2022 · no financials extracted	—	—	—	—	4y	—	—
ALPHABET & SIGN CITY LIMITED→ 06866085 · est 2009 · no financials extracted	—	—	—	—	17y	—	—
ALS GUITAR SERVICES LIMITED→ 16748044 · est 2025 · no financials extracted	—	—	—	—	—	—	—
ALTON COMPRESSOR SERVICES LTD→ 11875711 · est 2019 · no financials extracted	—	—	—	—	7y	—	—
AMG ACTUATORS LIMITED→ 04379202 · est 2002 · no financials extracted	—	—	—	—	24y	—	—
AMUFACTURE LTD→ 11713128 · est 2018 · no financials extracted	—	—	—	—	7y	—	—
AMZ VEHICLES (UK) LIMITED→ 10666723 · est 2017 · no financials extracted	—	—	—	—	9y	—	—
ANDAIR LIMITED→ 03040362 · est 1995 · no financials extracted	—	—	—	—	31y	—	—
ANDREW COOPER & CO ORGAN BUILDERS LTD→ 07707986 · est 2011 · no financials extracted	—	—	—	—	14y	—	—

Peers ranked by estimated value, then turnover, then opportunity score.See all →

🔒Tailored diligence questions

7 specific questions generated from this company's actual signals — liquidity, leverage, director age, charge count, red flags, age-of-company.

Available from the Pro tier upwards.

See pricing →

🔒Advanced scoring suite

Exit-route ranking, improvement thesis, quiet-distress detector, covenant-pressure proxy, extraction monitor, approaching triggers, ownership drift, local cluster, value trap, debt capacity, archetype classification — 48+ scoring modules.

Available from the Pro tier upwards.

See pricing →

Company details

Statusactive

Typeltd

Incorporated2003-03-04

Jurisdictionengland-wales

Primary SIC23700 — SIC 23700

Registered office

Lake House 2 Port Way

Port Solent

Portsmouth

Hampshire

PO6 4TY

United Kingdom

Filing status

Accounts

Next due: 2026-12-31

Last made up to: 2025-03-31

Confirmation statement

Next due: 2027-03-18

Last: 2026-03-04