A & J BUILDERS ( MOUNTAIN ASH) LIMITED
🏛️Establishedactive
10926163 · ltd · incorporated 2017-08-22
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 Aug 2025
Net worth
—
book net assets
Opportunity
77/100
Strong
What this business does
Primary activity: Other building and industrial cleaning activities
Sector: Administrative & support services
Investor take
PursueStrong opportunity: active trading company with strong profile and bankable structure.
Opportunity 77/100 (strong), 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 (73/100).
Data confidence
Overall: medium (78/100)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, 3 with DOB)
90
Ownership & PSC
2 active PSC(s) of 3 total, 3 with control declared
90
Director network
Network not yet resolved
30
Filing history
31 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
77/100Strong
PassWatchWorth a lookStrongExceptional
Solid opportunity signal. Worth a dedicated memo and management meeting.
Business quality
65
Adequate — check latest filings for context.
Acquirability
75
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 · accounting standard unknown| Metric | 2025-08-31 | 2024-08-31 |
|---|
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 (23 events)Click to expand
- 2026-05-31📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2025-11-12📄gazette-filings-brought-up-to-dategazette · DISS40
- 2025-11-11📄gazette-notice-compulsorygazette · GAZ1
- 2025-08-19📄gazette-filings-brought-up-to-dategazette · DISS40
- 2025-08-17📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2025-07-29📄gazette-notice-compulsorygazette · GAZ1
- 2024-10-18➕LOCK, Jayne appointeddirector
- 2024-10-18📄notification-of-a-person-with-significant-controlpersons-with-significant-control · PSC01
- 2024-10-18📄cessation-of-a-person-with-significant-controlpersons-with-significant-control · PSC07
- 2024-10-18📄appoint-person-director-company-with-name-dateofficers · AP01
- 2024-10-18📄termination-director-company-with-name-termination-dateofficers · TM01
- 2024-10-17➖LOCK, Jayne resigneddirector
- 2024-05-30📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2022-09-15📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2022-05-30📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2020-11-29📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2020-03-03📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2019-11-13📄gazette-filings-brought-up-to-dategazette · DISS40
- 2019-11-12📄gazette-notice-compulsorygazette · GAZ1
- 2019-08-17📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2017-08-22🏢Company incorporatedAs A & J BUILDERS ( MOUNTAIN ASH) LIMITED
- 2017-08-22➕LOCK, Andrew appointeddirector
- 2017-08-22➕LOCK, Jayne appointeddirector
Owner dependency
74/100
High — earn-out structure requiredMaterial founder dependency. Consider a 2-3 year earn-out and build in a handover plan before completion.
FACTORS
- +Two-director setup: Only two active directors — typical of owner-managed SMEs but limits succession.
- +Senior director age: Director aged approximately 63 — approaching natural succession window.
- +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.
Succession & seller-readiness
56/100
Strong succession signalMultiple signals suggest succession is on the horizon. Candidate for proactive outreach.
SIGNALS
- primaryFounder aged 63+: Senior director is approximately 63. Approaching typical UK retirement age — succession thinking likely.
- secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
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 |
|---|---|---|---|---|
Mrs Jayne Lock Individual · British · DOB 09/1964 · age 62 | 25–50% | — | 25-50% shares | 18/10/2024 |
Mr Andrew Lock Individual · Welsh · DOB 10/1963 · age 63 | 25–50% | — | 25-50% shares | 22/08/2017 |
1 historic (ceased) PSC
- Mr Jayne Lockceased 17/10/2024· 25-50% shares
From Companies House Persons with Significant Control filings. Share ranges are banded per the public PSC regime.
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|---|---|---|---|---|---|---|---|
| A F DELIVERIES VAN LTD→ 16919767 · est 2025 · no financials extracted | — | — | — | — | — | — | — |
| AC DOORS WALES LTD→ 15730500 · est 2024 · no financials extracted | — | — | — | — | 1y | — | — |
| AF-PERSONALTRAINING LTD→ 16403642 · est 2025 · no financials extracted | — | — | — | — | — | — | — |
| AGE CONCERN MORGANNWG LIMITED→ 06717361 · est 2008 · no financials extracted | — | — | — | — | 17y | — | — |
| AGORA NEXUS LIMITED→ 11556667 · est 2018 · no financials extracted | — | — | — | — | 7y | — | — |
| AH (APL) LIMITED→ 12282651 · est 2019 · no financials extracted | — | — | — | — | 6y | — | — |
| AH HAIR & BEAUTY LTD→ 17088083 · est 2026 · no financials extracted | — | — | — | — | — | — | — |
| AHK SECURITY LTD→ 13307395 · est 2021 · no financials extracted | — | — | — | — | 5y | — | — |
| AIR SAINT KITTS NEVIS UK LTD→ 16793121 · est 2025 · no financials extracted | — | — | — | — | — | — | — |
| AIRFIELD & BUSINESS CONSULTANCY LIMITED→ 16518338 · est 2025 · no financials extracted | — | — | — | — | — | — | — |
| AIX-TRADING LIMITED→ 09185605 · est 2014 · no financials extracted | — | — | — | — | 11y | — | — |
| AJ CHEZ AMINA LTD→ 16899818 · est 2025 · no financials extracted | — | — | — | — | — | — | — |
Peers ranked by estimated value, then turnover, then opportunity score.See all →
🔒Tailored diligence questions
6 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
Incorporated2017-08-22
Jurisdictionwales
Primary SIC81229 — Other building and industrial cleaning activities
Registered office
Duffryn Villa
Woodfield Terrace
Mountain Ash
CF45 3UT
Wales
Filing status
Accounts
Next due: 2027-05-31
Last made up to: 2025-08-31
Confirmation statement
Next due: 2026-09-04
Last: 2025-08-21
Officers (2 active · 1 resigned)
LOCK, Andrew→
Activedirector · ~63y · appointed 2017-08-22
View their other companies + combined net worth →
Active
LOCK, Jayne→
Resigneddirector · ~63y · appointed 2017-08-22 · resigned 2024-10-17
Click a director name to see their full track record across all companies.
Recent filings (31 total)
accounts-with-accounts-type-micro-entity
accounts · AA
2026-05-31
gazette-filings-brought-up-to-date
gazette · DISS40
2025-11-12
gazette-notice-compulsory
gazette · GAZ1
2025-11-11
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-11-10
gazette-filings-brought-up-to-date
gazette · DISS40
2025-08-19
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-08-17
gazette-notice-compulsory
gazette · GAZ1
2025-07-29
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-10-18
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC01
2024-10-18
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2024-10-18
appoint-person-director-company-with-name-date
officers · AP01
2024-10-18
termination-director-company-with-name-termination-date
officers · TM01
2024-10-18
accounts-with-accounts-type-micro-entity
accounts · AA
2024-05-30
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-10-25
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-09-15