AG BLACKWELL LIMITED
💤Zombieactive
08189108 · ltd · incorporated 2012-08-23
Investment thesis
Zombie company — trading but stalled; unlikely mover.
Why interesting: Quiet, steady; could be a succession or carve-out candidate with the right conversation.
Why risky: No growth signal; thin margin for error on price.
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Aug 2025
Net worth
—
book net assets
Opportunity
78/100
Strong
What this business does
Primary activity: Plumbing, heat and air-conditioning installation
Sector: Construction
Investor take
PursueStrong opportunity: active trading company with strong profile and bankable structure.
Opportunity 78/100 (strong), bankability 75/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Biggest value-creation lever: Broaden director team. Sole director creates succession risk and reduces buyer comfort. Appoint a second director or strong #2. Most likely exit: share sale to pe / searcher (73/100).
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
75
Lenders & charges
Confirmed no charges registered
85
Directors & officers
3 officers (2 active, 3 linked, 1 with DOB)
77
Ownership & PSC
2 active PSC(s) of 2 total, 2 with control declared
90
Director network
Network not yet resolved
30
Filing history
39 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
78/100Strong
PassWatchWorth a lookStrongExceptional
Solid opportunity signal. Worth a dedicated memo and management meeting.
Business quality
70
Active, clean filings, stable charge profile.
Acquirability
70
Strong succession / seller-readiness signals.
Risk profile
85
Few red flags.
Signal strength
90
Good data coverage for analysis.
Key financials
2 years extracted from filed iXBRL accountsCash
—
Net Worth
—
Current Assets
—
Current Liabilities
—
Hover to see exact values · click legend to toggle series
Financials
Extracted from Companies House accounts · FRS 102| Metric | 2025-08-31 | 2024-08-31 |
|---|---|---|
| Total assets | — | £670 |
| Current assets | — | £29.5k |
| Cash | — | £6.3k |
| Net assets | — | £-2.8k |
Amounts extracted automatically from iXBRL. Fields left blank were not reported or not mapped. Values in GBP unless stated.
🔒Filing-note intelligence
1 signal 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
0
filings
Last 90 days
1
filing
- • 1 accounts
Last 180 days
1
filing
- • 1 accounts
Counts from Companies House filing history.
Corporate timeline (20 events)Click to expand
- 2026-05-21📄accounts-with-accounts-type-unaudited-abridgedaccounts · AA
- 2025-10-16📄change-to-a-person-with-significant-controlpersons-with-significant-control · PSC04
- 2024-11-26📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2023-11-30📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2022-10-17📄notification-of-a-person-with-significant-controlpersons-with-significant-control · PSC01
- 2022-10-12📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2021-12-24📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2021-05-18📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2020-12-18📍change-registered-office-address-company-with-date-old-address-new-addressaddress · AD01
- 2020-05-29📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2020-01-06📄change-to-a-person-with-significant-controlpersons-with-significant-control · PSC04
- 2018-12-31📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2018-05-24📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2017-07-20📄accounts-amended-with-accounts-type-total-exemption-smallaccounts · AAMD
- 2017-05-31📄accounts-with-accounts-type-total-exemption-smallaccounts · AA
- 2014-08-23➕BLACKWELL, Deborah Jean appointedsecretary
- 2014-08-23➖BAILEY, Brenda Evelyn resignedsecretary
- 2012-08-23🏢Company incorporatedAs AG BLACKWELL LIMITED
- 2012-08-23➕BLACKWELL, Alan Geoffrey appointeddirector
- 2012-08-23➕BAILEY, Brenda Evelyn appointedsecretary
Owner dependency
98/100
Critical — business is the founderThe business appears inseparable from the founder. Acquisition without a serious earn-out or meaningful transition period would likely destroy value.
FACTORS
- +Sole director: Only one active director — all governance concentrated on one person.
- +Founder name in company name: Company name contains director surname "BLACKWELL" — strong identity link between founder and business.
- +Senior director age: Director aged approximately 64 — approaching natural succession window.
Succession & seller-readiness
78/100
Likely off-market candidateStrong acquirability signals converging. Worth approaching directly — this is how off-market deals start.
SIGNALS
- primaryFounder aged 63+: Senior director is approximately 64. Approaching typical UK retirement age — succession thinking likely.
- primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.
- secondary12+ year tenure: Director in role 14 years.
- supportingClean filings + long tenure: Disciplined long-tenure operator — classic lifestyle-business pattern that often sells quietly.
Red flags
cleanNo red flags detected from available public data. (This is not a clean bill of health — detailed accounts review still recommended.)
Shareholders & ownership
2 active beneficial owners| Name | Shares | Voting rights | Nature of control | Notified |
|---|---|---|---|---|
Mr Alan Geoffrey Blackwell Individual · English · DOB 06/1962 · age 64 | 25–50% | 25–50% | board control25-50% shares · 25-50% voting · board control | 20/06/2016 |
Mrs Deborah Jean Blackwell Individual · British · DOB 02/1963 · age 63 | 25–50% | 25–50% | 25-50% shares · 25-50% voting | 06/04/2016 |
From Companies House Persons with Significant Control filings. Share ranges are banded per the public PSC regime.
Similar companies
Active · Construction · SS postcode area| Company | Est. value | Turnover | Net worth | Staff | Age | Opp | Director |
|---|---|---|---|---|---|---|---|
| A & J BUILDING SERVICES LTD→ 14450583 · est 2022 · no financials extracted | — | — | — | — | 3y | — | — |
| A I E INDUSTRIAL ENGINEERING LIMITED→ 11342998 · est 2018 · no financials extracted | — | — | — | — | 7y | — | — |
| A J DOYLE BUILDING SERVICES LTD→ 04272068 · est 2001 · no financials extracted | — | — | — | — | 24y | — | — |
| ADVANCED FACILITIES MANAGEMENT LTD→ 15704970 · est 2024 · no financials extracted | — | — | — | — | 1y | — | — |
| ADVANCED THERMAL SERVICES LTD→ 15218136 · est 2023 · no financials extracted | — | — | — | — | 2y | — | — |
| AEGIS 2024 LTD→ 15262147 · est 2023 · no financials extracted | — | — | — | — | 2y | — | — |
| AEL CARPENTRY LTD→ 09239083 · est 2014 · no financials extracted | — | — | — | — | 11y | — | — |
| AFAS INTERIORS LTD→ 11702228 · est 2018 · no financials extracted | — | — | — | — | 7y | — | — |
| AG CONTRACTS LTD→ 15619389 · est 2024 · no financials extracted | — | — | — | — | 2y | — | — |
| AG PROPERTY SERVICES (U.K) LIMITED→ 16982063 · est 2026 · no financials extracted | — | — | — | — | — | — | — |
| AGK HEATING LTD→ 16892241 · est 2025 · no financials extracted | — | — | — | — | — | — | — |
| AGL CERAMICS LTD→ 13136632 · est 2021 · no financials extracted | — | — | — | — | 5y | — | — |
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
Incorporated2012-08-23
Jurisdictionengland-wales
Primary SIC43220 — Plumbing, heat and air-conditioning installation
Registered office
4 Capricorn Centre
Cranes Farm Road
Basildon
Essex
SS14 3JJ
England
Filing status
Accounts
Next due: 2027-05-31
Last made up to: 2025-08-31
Confirmation statement
Next due: 2026-10-30
Last: 2025-10-16
Officers (2 active · 1 resigned)
BLACKWELL, Deborah Jean→
Activesecretary · appointed 2014-08-23
View their other companies + combined net worth →
BLACKWELL, Alan Geoffrey→
Activedirector · ~64y · appointed 2012-08-23
View their other companies + combined net worth →
BAILEY, Brenda Evelyn→
Resignedsecretary · appointed 2012-08-23 · resigned 2014-08-23
Click a director name to see their full track record across all companies.
Recent filings (39 total)
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2026-05-21
confirmation-statement-with-updates
confirmation-statement · CS01
2025-10-24
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2025-10-16
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-11-26
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-10-16
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-11-30
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-10-31
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-10-17
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC01
2022-10-17
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-10-12
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-12-24
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-10-26
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-05-18
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-12-21
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2020-12-18