ADDYSON MONITORING SERVICES LIMITED

💤Zombieactive

07211184 · ltd · incorporated 2010-04-01

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

—

Upgrade to see

Turnover

—

year to Apr 2025

Net worth

£17.8k

book net assets

Opportunity

80/100

Exceptional

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What this business does

Primary activity: Research and experimental development on biotechnology

Sector: Professional, scientific & technical

Investor take

Pursue

Asset-holding vehicle with a 67-year-old founder — textbook succession opportunity.

Opportunity 80/100 (exceptional), bankability 75/100. Strong seller-intent signal (83/100, director aged 67). 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 (73/100).

Data confidence

Overall: medium (76/100)

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

Lenders & charges

Confirmed no charges registered

Directors & officers

2 officers (2 active, 2 linked, 1 with DOB)

Ownership & PSC

1 active PSC(s) of 1 total, 1 with control declared

Director network

Network not yet resolved

Filing history

34 filings on record

Gazette notices

No matching gazette notices (standard for active companies)

Opportunity Score

80/100Exceptional

PassWatchWorth a lookStrongExceptional

Strong composite across quality, acquirability, and risk. High-priority target — progress to serious diligence.

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.

Signals from accounts

Derived from iXBRL accounts · accounting standard not declared

Positive net assets

Net assets £17,773

Key financials

2 years extracted from filed iXBRL accounts

Cash

—

Net Worth

£18k

~ YoY

Current Assets

£37k

~ YoY

Current Liabilities

—

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown

Metric	2025-04-30	2024-04-30
Total assets	£17.8k	£17.8k
Current assets	£36.5k	£36.5k
Net assets	£17.8k	£17.8k

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

Recent activity

Last 30 days

filings

Last 90 days

filing

• 1 confirmation-statement

Last 180 days

filings

• 1 confirmation-statement
• 1 accounts

Counts from Companies House filing history.

Corporate timeline (18 events)Click to expand

2026-01-29
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2025-01-31
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2024-01-30
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2023-02-03
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2022-01-26
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2021-03-11
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2020-01-31
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2019-01-25
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2018-03-23
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2017-01-31
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2016-04-27
📄
annual-return-company-with-made-up-date-full-list-shareholders
annual-return · AR01
2016-01-31
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2015-04-29
📄
annual-return-company-with-made-up-date-full-list-shareholders
annual-return · AR01
2015-01-30
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2014-04-23
📄
annual-return-company-with-made-up-date-full-list-shareholders
annual-return · AR01
2010-04-01
🏢
Company incorporated
As ADDYSON MONITORING SERVICES LIMITED
2010-04-01
➕
TEALE, Alan Edgar appointed
secretary
2010-04-01
➕
TEALE, Kym Maria appointed
director

Owner dependency

100/100

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.
+Long-tenure founder: Senior director has been in place 16 years — deep operational knowledge concentrated in one person.
+Founder age: Director aged approximately 67 — succession pressure is live.
+No director turnover: Company is 16 years old with no director changes — suggests a very tight-knit founder team never broadened.

Succession & seller-readiness

88/100

Likely off-market candidate

Strong acquirability signals converging. Worth approaching directly — this is how off-market deals start.

SIGNALS

primaryFounder aged 63+: Senior director is approximately 67. Approaching typical UK retirement age — succession thinking likely.
primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.
secondary12+ year tenure: Director in role 16 years.
secondaryStable-but-static management: Company is 16 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

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

Name	Shares	Voting rights	Nature of control	Notified
Mr Alan Edgar Teale Individual · British · DOB 07/1969 · age 57	25–50%	—	25-50% shares	06/04/2016

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

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ADD LIV LTD→ 12175257 · est 2019 · no financials extracted	—	—	—	—	6y	—	—
ADD THIS LIMITED→ 04733398 · est 2003 · no financials extracted	—	—	—	—	23y	—	—
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Peers ranked by estimated value, then turnover, then opportunity score.See all →

🔒Tailored diligence questions

8 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.

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Company details

Statusactive

Typeltd

Incorporated2010-04-01

Jurisdictionengland-wales

Primary SIC72110 — Research and experimental development on biotechnology

Registered office

5 Frampton Cottages

Alderton

Tewkesbury

GL20 8NX

Filing status

Accounts

Next due: 2027-01-31

Last made up to: 2025-04-30

Confirmation statement

Next due: 2027-04-15

Last: 2026-04-01

Officers (2 active · 0 resigned)

TEALE, Alan Edgar→

secretary · appointed 2010-04-01

View their other companies + combined net worth →

Active

TEALE, Kym Maria→

director · ~67y · appointed 2010-04-01

View their other companies + combined net worth →

Active

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