ALONGSIDE MARINE LTD.
🌳Matureactive
06436736 · ltd · incorporated 2007-11-26
Investment thesis
Well-run mature business — low negotiation leverage; premium likely.
Why interesting: Textbook target; clean filings, stable trading.
Why risky: No pressure on seller; any deal likely at full price.
Opportunity decay
hardening · 12-months
Already tight — no obvious softening catalysts on the horizon.
- · Thesis: well-run, low negotiation leverage
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Nov 2025
Net worth
—
book net assets
Opportunity
80/100
Exceptional
What this business does
Primary activity: Management consultancy activities other than financial management
Sector: Professional, scientific & technical
Investor take
PursueActive trading company with a 76-year-old founder — textbook succession opportunity.
Opportunity 80/100 (exceptional), bankability 75/100. Strong seller-intent signal (63/100, director aged 76). Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).
Data confidence
Overall: medium (77/100)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
4 officers (4 active, 4 linked, 3 with DOB)
85
Ownership & PSC
3 active PSC(s) of 3 total, 3 with control declared
90
Director network
Network not yet resolved
30
Filing history
54 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
80/100Exceptional
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
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 | 2025-11-30 | 2024-11-30 |
|---|
Amounts extracted automatically from iXBRL. Fields left blank were not reported or not mapped. Values in GBP unless stated.
Recent activity
Last 30 days
1
filing
- • 1 accounts
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
- 2026-06-26📄accounts-with-accounts-type-dormantaccounts · AA
- 2025-08-27📄accounts-with-accounts-type-dormantaccounts · AA
- 2024-08-07📄accounts-with-accounts-type-dormantaccounts · AA
- 2023-07-27📄accounts-with-accounts-type-dormantaccounts · AA
- 2022-07-27📄accounts-with-accounts-type-dormantaccounts · AA
- 2021-07-29📄change-to-a-person-with-significant-controlpersons-with-significant-control · PSC04
- 2021-07-29📄accounts-with-accounts-type-dormantaccounts · AA
- 2020-10-23📄accounts-with-accounts-type-dormantaccounts · AA
- 2020-10-22📄change-person-director-company-with-change-dateofficers · CH01
- 2020-10-22📄change-person-director-company-with-change-dateofficers · CH01
- 2020-10-22📄change-person-director-company-with-change-dateofficers · CH01
- 2020-10-22📍change-registered-office-address-company-with-date-old-address-new-addressaddress · AD01
- 2019-07-25📄accounts-with-accounts-type-dormantaccounts · AA
- 2018-07-27📄accounts-with-accounts-type-dormantaccounts · AA
- 2017-07-24📄accounts-with-accounts-type-dormantaccounts · AA
- 2007-11-26🏢Company incorporatedAs ALONGSIDE MARINE LTD.
- 2007-11-26➕LONG, Lesley Blanche Gladys appointedsecretary
- 2007-11-26➕LONG, Joanna Elizabeth appointeddirector
- 2007-11-26➕LONG, Lesley Blanche Gladys appointeddirector
- 2007-11-26➕LONG, Richard Charles Bryan appointeddirector
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
- +Founder name in company name: Company name contains director surname "LONG" — strong identity link between founder and business.
- +Long-tenure founder: Senior director has been in place 19 years — deep operational knowledge concentrated in one person.
- +Founder age: Director aged approximately 76 — succession pressure is live.
- +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.
Succession & seller-readiness
83/100
Likely off-market candidateStrong acquirability signals converging. Worth approaching directly — this is how off-market deals start.
SIGNALS
- primaryFounder aged 70+: Senior director is approximately 76 years old. Natural succession window is now.
- secondary12+ year tenure: Director in role 19 years.
- secondaryStable-but-static management: Company is 19 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
3 active beneficial owners| Name | Shares | Voting rights | Nature of control | Notified |
|---|---|---|---|---|
Miss Joanna Elizabeth Long Individual · English · DOB 02/1987 · age 39 | 25–50% | — | 25-50% shares | 26/11/2016 |
Mrs Lesley Blanche Gladys Long Individual · English · DOB 11/1952 · age 74 | 25–50% | — | 25-50% shares | 26/11/2016 |
Mr Richard Charles Bryan Long Individual · British · DOB 07/1950 · age 76 | 25–50% | — | 25-50% shares | 26/11/2016 |
From Companies House Persons with Significant Control filings. Share ranges are banded per the public PSC regime.
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|---|---|---|---|---|---|---|---|
| ALPHA CONSULTANCY MS LIMITED→ 14708999 · est 2023 · no financials extracted | — | — | — | — | 3y | — | — |
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| ALSOP & CO. LIMITED→ 09788592 · est 2015 · no financials extracted | — | — | — | — | 10y | — | — |
| ALTO VENTURE LTD→ 15782668 · est 2024 · no financials extracted | — | — | — | — | 1y | — | — |
| ALVATEK LTD→ 06367212 · est 2007 · no financials extracted | — | — | — | — | 18y | — | — |
| AM MARINE UK HOLDINGS LTD→ 16926671 · est 2025 · no financials extracted | — | — | — | — | — | — | — |
| AMA ACCOUNTANCY LTD→ 13165682 · est 2021 · no financials extracted | — | — | — | — | 5y | — | — |
| AMAKHALA (WINCHESTER) LIMITED→ 13207225 · est 2021 · no financials extracted | — | — | — | — | 5y | — | — |
| AMBASSADOR PLANT HIRE LIMITED→ 04483372 · est 2002 · no financials extracted | — | — | — | — | 23y | — | — |
| AMBERLYNX LIMITED→ 08755977 · est 2013 · no financials extracted | — | — | — | — | 12y | — | — |
| AMCOTSHIRE LTD.→ 14060222 · est 2022 · no financials extracted | — | — | — | — | 3y | — | — |
| AMD LEGAL CONSULTING LIMITED→ 09127180 · est 2014 · no financials extracted | — | — | — | — | 11y | — | — |
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
Incorporated2007-11-26
Jurisdictionengland-wales
Primary SIC70229 — Management consultancy activities other than financial management
Registered office
Flints
Petersfield Road
Winchester
SO23 0JD
England
Filing status
Accounts
Next due: 2027-08-31
Last made up to: 2025-11-30
Confirmation statement
Next due: 2026-08-10
Last: 2025-07-27
Officers (4 active · 0 resigned)
LONG, Lesley Blanche Gladys→
Activesecretary · appointed 2007-11-26
View their other companies + combined net worth →
LONG, Joanna Elizabeth→
Activedirector · ~39y · appointed 2007-11-26
View their other companies + combined net worth →
LONG, Lesley Blanche Gladys→
Activedirector · ~74y · appointed 2007-11-26
View their other companies + combined net worth →
LONG, Richard Charles Bryan→
Activedirector · ~76y · appointed 2007-11-26
View their other companies + combined net worth →
Click a director name to see their full track record across all companies.
Recent filings (54 total)
accounts-with-accounts-type-dormant
accounts · AA
2026-06-26
accounts-with-accounts-type-dormant
accounts · AA
2025-08-27
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-07-28
accounts-with-accounts-type-dormant
accounts · AA
2024-08-07
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-08-07
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-07-27
accounts-with-accounts-type-dormant
accounts · AA
2023-07-27
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-08-17
accounts-with-accounts-type-dormant
accounts · AA
2022-07-27
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-11-30
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2021-07-29
accounts-with-accounts-type-dormant
accounts · AA
2021-07-29
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-11-27
accounts-with-accounts-type-dormant
accounts · AA
2020-10-23
change-person-director-company-with-change-date
officers · CH01
2020-10-22