£333
+495%vs Jun 2024Active12652031Private limited companyBury St. Edmunds
SEROTONIN LTD
Significant control: William John Brocklebank (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Serotonin Ltd sell?
Registered activity: Other retail sale not in stores, stalls or markets (SIC 47990). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SEROTONIN LTD is an active private limited company (company number 12652031) incorporated on 8 June 2020, registered in Bury St. Edmunds. Its registered activity is other retail sale not in stores, stalls or markets (SIC 47990). Latest micro accounts cover the period ending 30 June 2025, showing net assets of £333, with 0 employees on average. Turnover was £14k and profit for the year £211. Net assets rose 495% on the prior period (£56).
Peer position · net assets
By net assets it sits in the lower half of 3,427 comparable companies in Other (median £1,831, upper quartile £39k).
02
Ownership and control
- Mr William John Brocklebank
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 8 June 20206 yrs ago
- Next accounts due
- 30 March 2027in 158 days
- Confirmation statement due
- 22 June 2027in 242 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 47990
- Other retail sale not in stores, stalls or markets
- SIC 59112
- Video production activities
- SIC 90020
- Support activities to performing arts
- SIC 93199
- Other sports activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
£14k
−25%vs Jun 20240
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £333 | — | — | £0 | £14k | £211 | 0 |
| 30 June 2024 | £56 | — | — | £537 | £18k | £535 | — |
Net margin1.5%Profit for the year ÷ turnover
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £333 at 30 June 2025
- Net assets up 10% or more on the prior period+494.6% vs prior period
- Incorporated five or more years agoIncorporated 8 June 2020
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 242 days
- Next accounts duein 158 days
- Accounts period endNet assets £333 · micro accounts
- Accounts period endNet assets £56 · micro accounts
- Incorporated
08
Similar companies in the UK
- ORDINARY ATHLETE LIMITEDYork · inc. Jun 2020
- PLATFORM PERFORM LTDDarlington · inc. Jun 2020
- GIGYANI CORPORATION LTDPoole · inc. Jun 2020
- BASMA'S PLANT CENTRE LTDBoston · inc. Jun 2020
- FOUR FASTENERS LIMITEDLeek · inc. Jun 2020
- 5TH FLAVOUR FOODS LTDStirling · inc. Jun 2020
All companies incorporated on 8 June 2020 · in Jun 2020.
09
Reminders for SEROTONIN LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.