Active16625534Private limited companySheffield

AMPLISI LIMITED

Significant control: Northern Gritstone Limited (25–50%)

From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Amplisi 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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Summary

Generated from filed data · no estimates

AMPLISI LIMITED is an active private limited company (company number 16625534) incorporated on 4 August 2025, registered in Sheffield. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest small accounts cover the period ending 31 March 2026, showing net assets of £1.66m and cash of £1.83m, with 2 employees on average.

Peer position · net assets

By net assets it sits in the top quarter of 52 comparable companies in Sheffield (median £100, upper quartile £98k).

Ownership and control

1 active · 2 other

Northern Gritstone Limited
corporate entity, United Kingdom · since 4 March 2026
- owns 25–50% of shares
- holds 25–50% of voting rights
25–50%
SV
Dr Siddharth Vijay Patwardhan
Individual · since 4 August 2025 · ceased 4 March 2026
- owns 25–50% of shares
- holds 25–50% of voting rights
25–50%
GF
Dr Gwendolen Frances Ann Blake Chimonides
Individual · since 4 August 2025 · ceased 4 March 2026
- owns 50–75% of shares
- holds 50–75% of voting rights
50–75%

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.

Key dates

Incorporated: 4 August 20251 yr ago
Next accounts due: 31 December 2027in 434 days
Confirmation statement due: 18 August 2027in 299 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

Activity

SIC 72190: Other research and experimental development on natural sciences and engineering
Accounts type: Total Exemption Full
Size band: MicroCompanies Act thresholds

Financials

1 period on record · latest ending 31 March 2026

Net assets

£1.66m

1 period on record

Cash at bank

£1.83m

1 period on record

Turnover

Not reported

Employees

1 period on record

Filed accounts by period, newest first
Period end	Net assets	Cash	Debtors	Creditors <1y	Turnover	Profit	Employees
31 March 2026	£1.66m	£1.83m	£25k	—	—	—	2

Cash per employee£916kCash ÷ average employees

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

Filing and accounts signals

Facts from the register · no rating

Net assets above zeroNet assets £1,659,790 at 31 March 2026
Cash at bank of £50,000 or moreCash £1,831,544
Incorporated less than two years agoIncorporated 4 August 2025; no accounts due yet

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.

Timeline

Newest first

31 Dec 2027Next accounts duein 434 days
18 Aug 2027Confirmation statement duein 299 days
31 Mar 2026Accounts period endNet assets £1.66m · small accounts
04 Aug 2025Incorporated

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All companies incorporated on 4 August 2025 · in Aug 2025.

Reminders for AMPLISI LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.