APTAMER SOLUTIONS LIMITED

🌳Matureactive
08027459 · ltd · incorporated 2012-04-12
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.
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Jun 2025
Net worth
—
book net assets
Opportunity
73/100
Strong
🔔
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What this business does
Primary activity: Research and experimental development on biotechnology
Sector: Professional, scientific & technical
Investor take
Pursue
Strong opportunity: active trading company with strong profile and bankable structure.

Opportunity 73/100 (strong), bankability 75/100. Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (58/100).

Data confidence

Overall: high (80/100)

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

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
6 officers (2 active, 6 linked, 6 with DOB)
90
Ownership & PSC
1 active PSC(s) of 2 total, 2 with control declared
90
Director network
4 connected companies via shared directors
57
Filing history
60 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
73/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
70
Active, clean filings, stable charge profile.
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 101
Loss-making
Loss before tax £68,496

Key financials

2 years extracted from filed iXBRL accounts
Cash
—
Net Worth
—
Current Assets
—
Current Liabilities
—
£0£0£0£0£0£0Jun 2024Jun 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 101
Metric2025-06-302024-06-30
Profit before tax£-68.5k—
Average employees2200

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
0
filings
Last 90 days
1
filing
  • • 1 confirmation-statement
Last 180 days
1
filing
  • • 1 confirmation-statement
Counts from Companies House filing history.
Corporate timeline (30 events)Click to expand
  1. 2025-12-08
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2024-12-11
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  3. 2023-12-18
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  4. 2023-09-15
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  5. 2023-09-15
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  6. 2023-08-21
    ➕
    TOLLEY, Arron Craig, Dr appointed
    director
  7. 2023-08-21
    ➖
    QUINN, Robert, Dr resigned
    director
  8. 2023-05-17
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  9. 2023-05-17
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  10. 2023-05-16
    ➕
    QUINN, Robert, Dr appointed
    director
  11. 2023-05-16
    ➖
    TOLLEY, Arron Craig, Dr resigned
    director
  12. 2023-03-24
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  13. 2022-10-12
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  14. 2022-06-23
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  15. 2022-06-13
    ➖
    BROWN, Eleanor resigned
    director
  16. 2022-04-26
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC05
  17. 2022-04-26
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  18. 2022-04-26
    📄
    change-person-director-company-with-change-date
    officers · CH01
  19. 2022-04-26
    📄
    change-person-director-company-with-change-date
    officers · CH01
  20. 2022-01-19
    📄
    change-person-director-company-with-change-date
    officers · CH01
  21. 2021-12-16
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  22. 2021-10-27
    📄
    second-filing-capital-allotment-shares
    capital · RP04SH01
  23. 2021-10-19
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  24. 2021-10-18
    ➕
    BROWN, Eleanor appointed
    director
  25. 2021-06-17
    📄
    change-account-reference-date-company-current-extended
    accounts · AA01
  26. 2015-11-10
    ➖
    TOLLEY, Melanie resigned
    director
  27. 2013-10-07
    ➕
    TOLLEY, Melanie appointed
    director
  28. 2012-04-12
    🏢
    Company incorporated
    As APTAMER SOLUTIONS LIMITED
  29. 2012-04-12
    ➕
    BUNKA, David Harry John, Dr appointed
    director
  30. 2012-04-12
    ➕
    TOLLEY, Arron Craig, Dr appointed
    director

Owner dependency

58/100
Moderate — manageable with handover

Some founder dependency, but not acute. A structured handover period should cover most risk.

FACTORS
  • +Two-director setup: Only two active directors — typical of owner-managed SMEs but limits succession.

Succession & seller-readiness

49/100
Moderate signal

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

SIGNALS
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • secondary12+ year tenure: Director in role 14 years.
  • 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.)

Group structure

Aptamer Group Plc is the ultimate parent — holding 75%+ shares. This company sits inside their group.

🏛️
Aptamer Group Plc
Corporate parent · holds 75-100% shares
ultimate parent
⬇
APTAMER SOLUTIONS LIMITED
This company · 08027459

Parent relationships inferred from Persons with Significant Control filings. Full subsidiary tree requires reverse-lookup (coming).

Shareholders & ownership

1 active beneficial owner · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Aptamer Group Plc
Corporate entity
75–100%
—75-100% shares11/04/2017
1 historic (ceased) PSC
  • Dr Arron Craig Tolleyceased 22/12/2021· significant influence

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 →

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————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
Incorporated2012-04-12
Jurisdictionengland-wales
Primary SIC72110 — Research and experimental development on biotechnology

Registered office

Windmill House
Innovation Way
York
YO10 5BR
England

Filing status

Accounts
Next due: 2027-03-31
Last made up to: 2025-06-30
Confirmation statement
Next due: 2027-04-26
Last: 2026-04-12

Officers (2 active · 4 resigned)

BUNKA, David Harry John, Dr→
director · ~48y · appointed 2012-04-12
View their other companies + combined net worth →
Active
TOLLEY, Arron Craig, Dr→
director · ~49y · appointed 2023-08-21
View their other companies + combined net worth →
Active
BROWN, Eleanor→
director · ~51y · appointed 2021-10-18 · resigned 2022-06-13
Resigned
QUINN, Robert, Dr→
director · ~44y · appointed 2023-05-16 · resigned 2023-08-21
Resigned
TOLLEY, Arron Craig, Dr→
director · ~49y · appointed 2012-04-12 · resigned 2023-05-16
Resigned
TOLLEY, Melanie→
director · ~54y · appointed 2013-10-07 · resigned 2015-11-10
Resigned

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

Recent filings (60 total)

confirmation-statement-with-no-updates
confirmation-statement · CS01
2026-04-17
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-12-08
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-04-14
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-12-11
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-04-22
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-12-18
termination-director-company-with-name-termination-date
officers · TM01
2023-09-15
appoint-person-director-company-with-name-date
officers · AP01
2023-09-15
appoint-person-director-company-with-name-date
officers · AP01
2023-05-17
termination-director-company-with-name-termination-date
officers · TM01
2023-05-17
confirmation-statement-with-updates
confirmation-statement · CS01
2023-04-12
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-03-24
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2022-10-12
termination-director-company-with-name-termination-date
officers · TM01
2022-06-23
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-04-26