1ST SELECT BUILD UK LTD

💤Zombieactive
11951398 · ltd · incorporated 2019-04-17
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
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Turnover
year to Oct 2024
Net worth
£30.4k
book net assets
Opportunity
71/100
Strong
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What this business does
Primary activity: Construction of domestic buildings
Sector: Construction
Investor take
Pursue
Strong opportunity: asset-holding vehicle with strong profile and bankable structure.

Opportunity 71/100 (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 (58/100).

Data confidence

Overall: medium (72/100)

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
1 year of iXBRL accounts extracted (no YoY comparison) + narrative notes parsed
50
Lenders & charges
Confirmed no charges registered
85
Directors & officers
1 officers (1 active, 1 linked, 1 with DOB)
90
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
2 connected companies via shared directors
51
Filing history
18 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
71/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
65
Adequate — check latest filings for context.
Acquirability
50
Some acquirability indicators.
Risk profile
85
Few red flags.
Signal strength
90
Good data coverage for analysis.

Signals from accounts

Derived from iXBRL accounts · FRS 102
Positive net assets
Net assets £30,354

Key financials

1 year extracted from filed iXBRL accounts
Cash
£17k
Net Worth
£30k
Current Assets
£20k
Current Liabilities

Financials

Extracted from Companies House accounts · FRS 102
Metric2024-10-31
Total assets£36.4k
Current assets£19.6k
Cash£16.9k
Debtors£2.7k
Net assets£30.4k

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
0
filings
Last 180 days
1
filing
  • 1 accounts
Counts from Companies House filing history.
Corporate timeline (14 events)Click to expand
  1. 2025-11-27
    📄
    change-account-reference-date-company-current-extended
    accounts · AA01
  2. 2025-02-20
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  3. 2023-11-30
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  4. 2023-02-09
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  5. 2023-02-09
    📄
    change-person-director-company-with-change-date
    officers · CH01
  6. 2023-02-09
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  7. 2022-12-09
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  8. 2022-11-14
    📄
    change-account-reference-date-company-previous-extended
    accounts · AA01
  9. 2021-09-30
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  10. 2020-09-28
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  11. 2019-09-11
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  12. 2019-04-17
    🏢
    Company incorporated
    As 1ST SELECT BUILD UK LTD
  13. 2019-04-17
    MCMAHON, Gary appointed
    director
  14. 2019-04-17
    📄
    incorporation-company
    incorporation · NEWINC

Owner dependency

80/100
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
  • +Sole director: Only one active director — all governance concentrated on one person.
  • +No director turnover: Company is 7 years old with no director changes — suggests a very tight-knit founder team never broadened.

Succession & seller-readiness

45/100
Moderate signal

Some succession indicators present. Worth watching; approach if sector/strategy fits.

SIGNALS
  • primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.

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

1 active beneficial owner · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Mr Gary Mcmahon
Individual · British · DOB 04/1970 · age 56
75100%
75–100%board control75-100% shares · 75-100% voting · board control17/04/2019

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

🔒Co-director network graph

Radial SVG graph showing every company connected via shared directors, colour-coded by status.

Available from the Pro tier upwards.

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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
Incorporated2019-04-17
Jurisdictionengland-wales
Primary SIC41202 — Construction of domestic buildings

Registered office

Mill House
Liphook Road
Haslemere
Surrey
GU27 3QE
England

Filing status

Accounts
Next due: 2026-12-31
Last made up to: 2024-10-31
Confirmation statement
Next due: 2026-04-30
Last: 2025-04-16

Officers (1 active · 0 resigned)

MCMAHON, Gary
director · ~56y · appointed 2019-04-17
View their other companies + combined net worth →
Active

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

Recent filings (18 total)

change-account-reference-date-company-current-extended
accounts · AA01
2025-11-27
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-04-16
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-02-20
confirmation-statement-with-updates
confirmation-statement · CS01
2024-04-17
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-11-30
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-04-18
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2023-02-09
change-person-director-company-with-change-date
officers · CH01
2023-02-09
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2023-02-09
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-12-09
change-account-reference-date-company-previous-extended
accounts · AA01
2022-11-14
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-04-25
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-09-30
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-04-16
accounts-with-accounts-type-total-exemption-full
accounts · AA
2020-09-28