SEZANNE MARINE LIMITED

🌳Matureactive

SC512214 · ltd · incorporated 2015-08-04

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.

Why now

Window steady · low confidence

Stable recent picture — watch for any upcoming trigger event.

What changed my view

Last 30 days

No material changes in the last 30 days.

Last 90 days

No snapshot from 90 days ago — start tracking from today.

Last 180 days

No snapshot from 180 days ago — start tracking from today.

🔒Estimated value

—

Upgrade to see

Turnover

—

year to Aug 2025

Net worth

—

book net assets

Opportunity

79/100

Strong

🔒Generate AI memo →🔒Outreach pack →🔒Corporate story →📑 Reports →Sign in to watch

What this business does

Primary activity: Engineering design activities for industrial process and production

Sector: Professional, scientific & technical

ALSO REGISTERED FOR

72190Other research and experimental development on natural sciences and engineering

Investor take

Pursue

Strong opportunity: active trading company with strong profile and bankable structure.

Opportunity 79/100 (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: high (80/100)

Strong data coverage across all sections. AI outputs should be trusted with minimal caveats.

Company profile

address, 2 SIC codes, incorporation date

100

Financials

2 years of iXBRL accounts extracted (YoY deltas available) + narrative notes parsed

Lenders & charges

Confirmed no charges registered

Directors & officers

2 officers (2 active, 2 linked, 2 with DOB)

Ownership & PSC

2 active PSC(s) of 2 total, 2 with control declared

Director network

2 connected companies via shared directors

Filing history

29 filings on record

Gazette notices

No matching gazette notices (standard for active companies)

Opportunity Score

79/100Strong

PassWatchWorth a lookStrongExceptional

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

Business quality

Active, clean filings, stable charge profile.

Acquirability

Strong succession / seller-readiness signals.

Risk profile

Few red flags.

Signal strength

Good data coverage for analysis.

Key financials

2 years extracted from filed iXBRL accounts

Cash

—

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
Average employees	200	200

Amounts extracted automatically from iXBRL. Fields left blank were not reported or not mapped. Values in GBP unless stated.

🔒Filing-note intelligence

3 signals 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

filings

Last 90 days

filing

• 1 accounts

Last 180 days

filing

• 1 accounts

Counts from Companies House filing history.

Corporate timeline (18 events)Click to expand

2026-04-20
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2025-05-27
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2024-03-22
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2023-04-05
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2022-05-20
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2020-12-24
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2020-03-19
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2019-03-05
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2017-11-27
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2017-05-01
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2016-08-11
📄
change-person-director-company-with-change-date
officers · CH01
2016-08-11
📄
change-person-director-company-with-change-date
officers · CH01
2016-08-11
📍
move-registers-to-sail-company-with-new-address
address · AD03
2016-08-11
📍
change-sail-address-company-with-new-address
address · AD02
2016-07-11
📍
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2015-08-04
🏢
Company incorporated
As SEZANNE MARINE LIMITED
2015-08-04
➕
HAMILTON, Fiona Anne appointed
director
2015-08-04
➕
REID, Ceri, Dr appointed
director

Owner dependency

71/100

High — earn-out structure required

Material 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 64 — approaching natural succession window.
+No director turnover: Company is 11 years old with no director changes — suggests a very tight-knit founder team never broadened.

Succession & seller-readiness

61/100

Strong succession signal

Multiple signals suggest succession is on the horizon. Candidate for proactive outreach.

SIGNALS

primaryFounder aged 63+: Senior director is approximately 64. Approaching typical UK retirement age — succession thinking likely.
secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
supportingClean filings + long tenure: Disciplined long-tenure operator — classic lifestyle-business pattern that often sells quietly.

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

2 active beneficial owners

Name	Shares	Voting rights	Nature of control	Notified
Dr Ceri Reid Individual · British · DOB 10/1962 · age 64	25–50%	50–75%	sig. influence50-75% shares · 50-75% voting · significant influence	06/04/2016
Ms Fiona Anne Hamilton Individual · British · DOB 08/1965 · age 61	25–50%	25–50%	sig. influence25-50% shares · 25-50% voting · significant influence	06/04/2016

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 · Professional services · PA postcode area

Company	Est. value	Turnover	Net worth	Staff	Age	Opp	Director
STEWART SHAW HOLDINGS LIMITED→ SC080687 · est 1982	£1.09M £800.5k–£1.37M	—	—	89	43y	85	75y
WEST HOLIDAYS LIMITED→ SC714316 · est 2021	£74.8k £55.1k–£94.5k	£198.8k	—	300	4y	93	48y
HEWITT ACCOUNT MANAGEMENT LIMITED→ SC693563 · est 2021	£71.3k £52.5k–£90.1k	£28.6k	—	200	5y	84	48y
POD SUBSEA CONTRACTORS LIMITED→ SC666683 · est 2020	£6.8k £5.0k–£8.6k	£4.2k	—	100	5y	86	58y
FORBES LESLIE NETWORK LIMITED→ SC148828 · est 1994	—	—	—	14	32y	83	62y
HEBRIDEAN WHALE AND DOLPHIN TRUST LIMITED→ SC172338 · est 1997 · no financials extracted	—	—	—	—	29y	83	79y
MACFARLANE YOUNG LIMITED→ SC332280 · est 2007	—	—	£146.8k	—	18y	83	62y
RSVP DESIGN LIMITED→ SC253981 · est 2003	—	—	£31.6k	—	22y	83	71y
STIRLING & MAIR LIMITED→ SC261547 · est 2004	—	—	£184.0k	—	22y	83	61y
ALISTAIR BROWN LIMITED→ SC243272 · est 2003	—	—	£11.0k	—	23y	82	82y
ASCOG LIMITED→ SC244061 · est 2003	—	—	£143.0k	—	23y	82	77y
CASTLETON HOLDINGS LIMITED→ SC246219 · est 2003	—	—	—	0	23y	82	76y

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

Incorporated2015-08-04

Jurisdictionscotland

Primary SIC71121 — Engineering design activities for industrial process and production

Registered office

European Marine Science Park Scottish Marine Institute

Dunbeg

Oban

Argyll

PA37 1QA

Filing status

Accounts

Next due: 2027-05-31

Last made up to: 2025-08-31

Confirmation statement

Next due: 2026-08-18

Last: 2025-08-04

Officers (2 active · 0 resigned)

HAMILTON, Fiona Anne→

director · ~61y · appointed 2015-08-04

View their other companies + combined net worth →

Active

REID, Ceri, Dr→

director · ~64y · appointed 2015-08-04

View their other companies + combined net worth →

Active

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