£16k
+1084%vs Dec 2024Active11096215Private limited companyBlackpool
CALCULUS ENERGY LIMITED
Significant control: Ramprakash Srinivasan Puri (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Calculus Energy Limited sell?
Registered activity: Other research and experimental development on natural sciences and engineering (SIC 72190). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
CALCULUS ENERGY LIMITED is an active private limited company (company number 11096215) incorporated on 5 December 2017, registered in Blackpool. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest micro accounts cover the period ending 31 December 2025, showing net assets of £16k, with 1 employee on average. Turnover was £21k and profit for the year £17k. Net assets rose 1084% on the prior period (£1,325). Across the last 3 periods on record the net-asset trend is rising.
Peer position · net assets
By net assets it sits in the upper half of 3,656 comparable companies in the UK (median £559, upper quartile £49k).
02
Ownership and control
- Dr Ramprakash Srinivasan Puri
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Joseph Pierce Morris
- owns 25–50% of shares
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
- 5 December 20178 yrs ago
- Next accounts due
- 30 September 2027in 338 days
- Confirmation statement due
- 19 December 2026in 53 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
£21k
Not reported the period before1
−50%vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £16k | — | — | £7,932 | £21k | £17k | 1 |
| 31 December 2024 | £1,325 | — | — | £4,873 | — | — | 2 |
| 31 December 2023 | £687 | — | — | £4,873 | — | — | 1 |
Current ratio2.85Current assets ÷ creditors within one year
Net margin79.3%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 £15,688 at 31 December 2025
- Net assets up 10% or more on the prior period+1084.0% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 2.85
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 5 December 2017
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
- Next accounts duein 338 days
- Confirmation statement duein 53 days
- Accounts period endNet assets £16k · micro accounts
- Accounts period endNet assets £1,325 · micro accounts
- Accounts period endNet assets £687 · micro accounts
- Incorporated
08
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- PANTHERA BIOPARTNERS LIMITEDPreston · inc. Dec 2018
- LANCASTER SCIENTIFIC LTDMorecambe · inc. Jan 2019
All companies incorporated on 5 December 2017 · in Dec 2017.
09
Reminders for CALCULUS ENERGY LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.