ADVANCE AC & VENTILATION LTD

🌳Matureactive

05427845 · ltd · incorporated 2005-04-18

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

£18.9k

book net assets

Opportunity

72/100

Strong

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What this business does

Primary activity: Plumbing, heat and air-conditioning installation

Sector: Construction

Investor take

Special-situation opportunity

Distressed construction with salvageable qualities — special-situations priority.

Opportunity 72/100 (strong), bankability 65/100. Strong seller-intent signal (78/100, director aged 67). Share purchase looks the cleaner deal structure. Biggest value-creation lever: Resolve: Confirmation statement overdue. Annual confirmation statement not filed on time. Required statutory filing — overdue is a strong discipline signal. 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

5 officers (3 active, 5 linked, 2 with DOB)

Ownership & PSC

2 active PSC(s) of 2 total, 2 with control declared

Director network

Network not yet resolved

Filing history

61 filings on record

Gazette notices

No matching gazette notices (standard for active companies)

Opportunity Score

72/100Strong

PassWatchWorth a lookStrongExceptional

Solid opportunity signal. Worth a dedicated memo and management meeting.

Business quality

Adequate — check latest filings for context.

Acquirability

Strong succession / seller-readiness signals.

Risk profile

Some moderate concerns — review flags.

Signal strength

Good data coverage for analysis.

Signals from accounts

Derived from iXBRL accounts · accounting standard not declared

Positive net assets

Net assets £18,944

Net assets shrinking

Down £8,109 YoY

Key financials

2 years extracted from filed iXBRL accounts

Cash

—

Net Worth

£19k

↓ 30% YoY

Current Assets

£20k

↓ 29% 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	£18.9k	£27.1k
Current assets	£20.0k	£28.0k
Net assets	£18.9k	£27.1k

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

Recent activity

Last 30 days

filings

Last 90 days

filings

Last 180 days

filings

Counts from Companies House filing history.

Corporate timeline (24 events)Click to expand

2025-12-23
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2024-10-23
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2023-12-21
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2022-12-23
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2021-12-23
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2021-01-13
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2019-12-18
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2018-12-18
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2017-12-20
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2016-11-22
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2016-05-16
📄
annual-return-company-with-made-up-date-full-list-shareholders
annual-return · AR01
2015-12-12
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2015-04-23
📄
annual-return-company-with-made-up-date-full-list-shareholders
annual-return · AR01
2014-12-05
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2014-05-07
📄
annual-return-company-with-made-up-date-full-list-shareholders
annual-return · AR01
2013-11-11
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2005-06-15
➕
MOUNTSEAL UK LIMITED appointed
corporate-secretary
2005-04-19
➖
DUPORT SECRETARY LIMITED resigned
corporate-nominee-secretary
2005-04-19
➖
DUPORT DIRECTOR LIMITED resigned
corporate-nominee-director
2005-04-18
🏢
Company incorporated
As ADVANCE AC & VENTILATION LTD
2005-04-18
➕
POOLE, Kim Lesley appointed
director
2005-04-18
➕
POOLE, Stewart Ashley appointed
director
2005-04-18
➕
DUPORT SECRETARY LIMITED appointed
corporate-nominee-secretary
2005-04-18
➕
DUPORT DIRECTOR LIMITED appointed
corporate-nominee-director

Owner dependency

91/100

Critical — business is the founder

The business appears inseparable from the founder. Acquisition without a serious earn-out or meaningful transition period would likely destroy value.

FACTORS

+Two-director setup: Only two active directors — typical of owner-managed SMEs but limits succession.
+Long-tenure founder: Senior director has been in place 21 years — deep operational knowledge concentrated in one person.
+Founder age: Director aged approximately 67 — succession pressure is live.
+Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

81/100

Likely off-market candidate

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

SIGNALS

primaryFounder aged 63+: Senior director is approximately 67. Approaching typical UK retirement age — succession thinking likely.
secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
primary20+ year tenure: Director in role 21 years. Very long tenure is a classic succession signal.
secondaryStable-but-static management: Company is 21 years old and no new directors in the last 3 years — succession not yet being planned internally.

Red flags

1 high ·

Confirmation statement overdue

high

Annual confirmation statement not filed on time. Required statutory filing — overdue is a strong discipline signal.

Evidence: Next due: 2026-05-02

Shareholders & ownership

2 active beneficial owners

Name	Shares	Voting rights	Nature of control	Notified
Kim Lesley Poole Individual · British · DOB 02/1959 · age 67	25–50%	25–50%	25-50% shares · 25-50% voting	18/04/2017
Stewart Ashley Poole Individual · British · DOB 11/1965 · age 61	25–50%	25–50%	25-50% shares · 25-50% voting	18/04/2017

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

Similar companies

Active · Construction · LE postcode area

Company	Est. value	Turnover	Net worth	Staff	Age	Opp	Director
A F DEVELOPMENT AND CONSTRUCTION LTD→ 13266866 · est 2021 · no financials extracted	—	—	—	—	5y	—	—
A G TILLEY & SONS LIMITED→ 04344058 · est 2001 · no financials extracted	—	—	—	—	24y	—	—
A H FORMWORK & SONS LTD→ 07295304 · est 2010 · no financials extracted	—	—	—	—	15y	—	—
A HEALEY ELECTRICAL LTD→ 15823854 · est 2024 · no financials extracted	—	—	—	—	1y	—	—
ADAM NEWTON BUILDING CONTRACTOR LTD→ 09881570 · est 2015 · no financials extracted	—	—	—	—	10y	—	—
ADELAIDE BUILDINGS LIMITED→ 10602994 · est 2017 · no financials extracted	—	—	—	—	9y	—	—
ADL ELECTRICAL AND MAINTENANCE LTD→ 09970044 · est 2016 · no financials extracted	—	—	—	—	10y	—	—
ADSR HOLDINGS LIMITED→ 11658534 · est 2018 · no financials extracted	—	—	—	—	7y	—	—
ADVANCED CARPENTRY (LEICESTER) LIMITED→ 07101050 · est 2009 · no financials extracted	—	—	—	—	16y	—	—
ADVANCED ECO SERVICES LTD→ 15530872 · est 2024 · no financials extracted	—	—	—	—	2y	—	—
ADVANCED ELECTRICAL SERVICES (LEICESTER) LIMITED→ 03727707 · est 1999 · no financials extracted	—	—	—	—	27y	—	—
ADVANCED HEATING TECHNOLOGIES LTD→ 13315972 · est 2021 · no financials extracted	—	—	—	—	5y	—	—

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

🔒Tailored diligence questions

8 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.

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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.

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Company details

Statusactive

Typeltd

Incorporated2005-04-18

Jurisdictionengland-wales

Primary SIC43220 — Plumbing, heat and air-conditioning installation

Registered office

63 Fosse Way

Syston

Leicestershire

LE7 1NF

Filing status

Accounts

Next due: 2026-12-31

Last made up to: 2025-03-31

Confirmation statement

Next due: 2026-05-02OVERDUE

Last: 2025-04-18

Officers (3 active · 2 resigned)

MOUNTSEAL UK LIMITED→

corporate-secretary · appointed 2005-06-15

View their other companies + combined net worth →

Active

POOLE, Kim Lesley→

director · ~67y · appointed 2005-04-18

View their other companies + combined net worth →

Active

POOLE, Stewart Ashley→

director · ~61y · appointed 2005-04-18

View their other companies + combined net worth →

Active

DUPORT SECRETARY LIMITED→

corporate-nominee-secretary · appointed 2005-04-18 · resigned 2005-04-19

Resigned

DUPORT DIRECTOR LIMITED→

corporate-nominee-director · appointed 2005-04-18 · resigned 2005-04-19

Resigned

Click a director name to see their full track record across all companies.