A1 INFRASTRUCTURE AND BUILDING LIMITED
🌳Matureactive
05677791 · ltd · incorporated 2006-01-17
Investment thesis
Property vehicle with a workable charge structure — clean refinance potential.
Why interesting: Asset-backed; value largely in underlying property; lender engagement likely possible.
Why risky: Dependent on title and valuation due diligence; standard property risks.
Opportunity decay
approaching window · 12-months
Approaching a transaction window — refinance or sale event plausible in the next 12 months.
- · Oldest live charge 8.0y old — refinance window within 12 months
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Jan 2025
Net worth
£222.7k
book net assets
Opportunity
82/100
Exceptional
What this business does
Primary activity: Construction of commercial buildings
Sector: Construction
Investor take
PursueAsset-holding vehicle with a 66-year-old founder — textbook succession opportunity.
Opportunity 82/100 (exceptional), bankability 85/100. Strong seller-intent signal (83/100, director aged 66). Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).
🏦
Refinance opportunity
1 live charge · oldest 8.0y
85/100
ready
Refinance conversation should be productive — structure clean and timing right.
- · Oldest live charge is 8.0 years old — likely at or near maturity.
- · Single lender — cleanest path to refinance.
- · Legal-friction score 15/100 — clean.
Data confidence
Overall: medium (79/100)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
1 charges (1/1 with lender, 1/1 with type)
90
Directors & officers
5 officers (3 active, 5 linked, 3 with DOB)
82
Ownership & PSC
2 active PSC(s) of 3 total, 3 with control declared
90
Director network
1 connected companies via shared directors
48
Filing history
49 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
82/100Exceptional
PassWatchWorth a lookStrongExceptional
Strong composite across quality, acquirability, and risk. High-priority target — progress to serious diligence.
Business quality
70
Active, clean filings, stable charge profile.
Acquirability
80
Strong succession / seller-readiness signals.
Risk profile
85
Few red flags.
Signal strength
100
Good data coverage for analysis.
Signals from accounts
Derived from iXBRL accounts · accounting standard not declaredPositive net assets
Net assets £222,693
Key financials
2 years extracted from filed iXBRL accountsCash
—
Net Worth
£223k
Current Assets
£127k
Current Liabilities
—
Hover to see exact values · click legend to toggle series
Financials
Extracted from Companies House accounts · accounting standard unknown| Metric | 2025-01-31 | 2024-01-31 |
|---|---|---|
| Total assets | £340.6k | — |
| Current assets | £126.7k | — |
| Net assets | £222.7k | — |
| Average employees | — | -200 |
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
0
filings
Counts from Companies House filing history.
Corporate timeline (25 events)Click to expand
- 2025-09-25📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2024-03-25📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2023-05-16📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2022-10-14📄cessation-of-a-person-with-significant-controlpersons-with-significant-control · PSC07
- 2022-06-20📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2021-10-22📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2020-10-23📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2019-12-17📄mortgage-satisfy-charge-fullmortgage · MR04
- 2019-12-17🔓Charge satisfied #1
- 2019-10-29📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2019-04-23📄termination-director-company-with-name-termination-dateofficers · TM01
- 2019-04-05➖O'BOYLE, Sean Daniel resigneddirector
- 2018-10-19📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2018-05-15📄mortgage-create-with-deed-with-charge-number-charge-creation-datemortgage · MR01
- 2018-05-04🔒Charge registered #1Lender: Barclays Bank PLC
- 2017-10-27📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2016-10-24📄accounts-with-accounts-type-total-exemption-smallaccounts · AA
- 2016-01-18📄annual-return-company-with-made-up-date-full-list-shareholdersannual-return · AR01
- 2015-10-08➕O'BOYLE, Paula Janet appointeddirector
- 2006-11-01➕O'BOYLE, Sean Daniel appointeddirector
- 2006-01-17🏢Company incorporatedAs A1 INFRASTRUCTURE AND BUILDING LIMITED
- 2006-01-17➕O'BOYLE, Paula Janet appointedsecretary
- 2006-01-17➕O'BOYLE, Michael Joseph appointeddirector
- 2006-01-17➕ALDBURY SECRETARIES LIMITED appointedcorporate-nominee-secretary
- 2006-01-17➖ALDBURY SECRETARIES LIMITED resignedcorporate-nominee-secretary
Owner dependency
91/100
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
- +Two-director setup: Only two active directors — typical of owner-managed SMEs but limits succession.
- +Long-tenure founder: Senior director has been in place 20 years — deep operational knowledge concentrated in one person.
- +Founder age: Director aged approximately 66 — succession pressure is live.
- +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.
Succession & seller-readiness
86/100
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 66. 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 20 years. Very long tenure is a classic succession signal.
- secondaryStable-but-static management: Company is 20 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
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 Michael Joseph O'Boyle Individual · British · DOB 08/1960 · age 66 | 25–50% | 25–50% | 25-50% shares · 25-50% voting | 06/04/2016 |
Mrs Paula Janet O'Boyle Individual · British · DOB 03/1964 · age 62 | 25–50% | 25–50% | 25-50% shares · 25-50% voting | 06/04/2016 |
1 historic (ceased) PSC
- Mr Sean Daniel O'Boyleceased 13/10/2022· 25-50% shares · 25-50% voting
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.
See pricing →Similar companies
Active · Construction · LN postcode area| Company | Est. value | Turnover | Net worth | Staff | Age | Opp | Director |
|---|---|---|---|---|---|---|---|
| 3BUILD LTD→ 09434088 · est 2015 · no financials extracted | — | — | — | — | 11y | — | — |
| 888 OK LTD→ 10497898 · est 2016 · no financials extracted | — | — | — | — | 9y | — | — |
| A & A L GELDER & SON LIMITED→ 05721954 · est 2006 · no financials extracted | — | — | — | — | 20y | — | — |
| A B WELLS PROJECTS LTD→ 11300477 · est 2018 · no financials extracted | — | — | — | — | 8y | — | — |
| A C DEVELOPMENTS (LINCOLN) LIMITED→ 10672993 · est 2017 · no financials extracted | — | — | — | — | 9y | — | — |
| A.C.E. INSTALLATIONS & MAINTENANCE LIMITED→ 13049215 · est 2020 · no financials extracted | — | — | — | — | 5y | — | — |
| A1 BUILDING CONTRACTORS LTD→ 13931870 · est 2022 · no financials extracted | — | — | — | — | 4y | — | — |
| A1 FLOWSCREED LTD→ 10377793 · est 2016 · no financials extracted | — | — | — | — | 9y | — | — |
| AA ROOFING (LINCOLN) LIMITED→ 16983930 · est 2026 · no financials extracted | — | — | — | — | — | — | — |
| AAA SCAFFOLDING ( LINCOLN ) LIMITED→ 06723056 · est 2008 · no financials extracted | — | — | — | — | 17y | — | — |
| AARDVARK ELECTRICAL SERVICES LTD→ 16984570 · est 2026 · no financials extracted | — | — | — | — | — | — | — |
| AARON DAVENPORT LTD→ 14867270 · est 2023 · no financials extracted | — | — | — | — | 2y | — | — |
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
Incorporated2006-01-17
Jurisdictionengland-wales
Primary SIC41201 — Construction of commercial buildings
Registered office
12 Chelsea Close, Forest Park
Lincoln
Lincolnshire
LN6 0XF
Filing status
Accounts
Next due: 2026-10-31
Last made up to: 2025-01-31
Confirmation statement
Next due: 2026-10-28
Last: 2025-10-14
Officers (3 active · 2 resigned)
O'BOYLE, Paula Janet→
Activesecretary · appointed 2006-01-17
View their other companies + combined net worth →
O'BOYLE, Michael Joseph→
Activedirector · ~66y · appointed 2006-01-17
View their other companies + combined net worth →
O'BOYLE, Paula Janet→
Activedirector · ~62y · appointed 2015-10-08
View their other companies + combined net worth →
ALDBURY SECRETARIES LIMITED→
Resignedcorporate-nominee-secretary · appointed 2006-01-17 · resigned 2006-01-17
O'BOYLE, Sean Daniel→
Resigneddirector · ~44y · appointed 2006-11-01 · resigned 2019-04-05
Click a director name to see their full track record across all companies.
Mortgages & charges
1
Total charges
0
Outstanding
0
Active lenders
Status:Lender:1 of 1 shown
| Type | Properties | |||||
|---|---|---|---|---|---|---|
| satisfied | Barclays Barclays Bank PLC | A registered charge | — | 04/05/2018 | 17/12/2019 |
Recent filings (49 total)
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-10-24
accounts-with-accounts-type-micro-entity
accounts · AA
2025-09-25
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-10-28
accounts-with-accounts-type-micro-entity
accounts · AA
2024-03-25
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-11-01
accounts-with-accounts-type-micro-entity
accounts · AA
2023-05-16
confirmation-statement-with-updates
confirmation-statement · CS01
2022-10-18
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2022-10-14
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-06-20
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-01-11
accounts-with-accounts-type-micro-entity
accounts · AA
2021-10-22
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-01-15
accounts-with-accounts-type-total-exemption-full
accounts · AA
2020-10-23
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-01-13
mortgage-satisfy-charge-full
mortgage · MR04
2019-12-17