Company Overview
Red Semiconductor International Ltd is listed at the official companies registry as Active Private Limited Company. The company was incorporated on Tuesday 24 April 2018, so this is a well established company. Red Semiconductor International Ltd has been in business for 7 years and 11 months. The accounts status is micro entity and the accounts are next due on Saturday 31 October 2026.
Registered Address

173 Harwell Innovation Centre Curie Avenue, Harwell Science & Innovation Campus, Didcot, Oxfordshire, OX11 0QG
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Companies House Data
Company NameRED SEMICONDUCTOR INTERNATIONAL LTD
Company Number11325766
Registered Office Address173 Harwell Innovation Centre Curie Avenue
 Harwell Science & Innovation Campus
 OX11 0QG
Company CategoryPrivate Limited Company
Company StatusActive
Country of OriginUnited Kingdom
Incorporation Date24/04/2018
Accounting Reference Date Day31
Accounting Reference Date Month1
Accounts Next Due Date31/10/2026
Accounts Last Made Up Date31/01/2025
Accounts Account CategoryMICRO ENTITY
Returns Next Due Date22/05/2019
Previous Company NameChanged Date
SOUNZ ELECTRIC LTD24 Jan 2024
Directors & Members
Ajaz Ahmed - Director
(British, 51 years old, born October 1975)
Appointed 05 August 2025
 Active
David Calderwood - Director
(British, 67 years old, born July 1959)
Appointed 01 February 2024
 Active
Eng Calderwood - Director
(British, 71 years old, born March 1955)
Appointed 01 February 2024
 Active
James Lewis - Director
(British, 65 years old, born December 1961)
Appointed 24 April 2018
 Active
Secretaries
Ajaz Ahmed - Secretary
Appointed 05 August 2025
 Active
Other Company Directorships
Ajaz Ahmed
CHARTERHOUSE ADVISORY LIMITED
COMMUNITY FOCUS INCLUSIVE ARTS
ENERGY SOLUTIONS HOLDING LIMITED
RIDGE CAPITAL LIMITED
RIDGE ENERGY HOLDING LTD.
WESTGATE RESOURCES LTD
David Calderwood
CALDERWOOD HAN LIMITED
HIWAVE TECHNOLOGIES PLC
HUMAN INTERFACE WAVEFORMS LIMITED
NVF TECH LTD
Eng Calderwood
CALDERWOOD HAN LIMITED
EXTRAORDINARY CPU SOFTWARE RESEARCH LTD.
James Lewis
HELIX TECHNOLOGIES LIMITED
Balance Sheet Unlock full report
Accounts Date 31-Jan-2025 30-Apr-2022 30-Apr-2021
Balance Sheet
Fixed Assets 99 99 99
Current Assets 3,999 3,999 3,999
Creditors Due Within One Year 0 0 0
Working Cap 3,999 3,999 3,999
Total Assets Less Current Liabilities 4,098 4,098 4,098
Long-term Liabilities 1,428 1,428 1,428
Net Assets 2,670 2,670 2,670
Share Capital & Reserves
Share Cap - - -
Profit & Loss Reserves - - -
Other Reserves - - -
Shareholders Funds 2,670 2,670 2,670
Common Size Financial Analysis Unlock full report
Accounts Date 31-Jan-2025 30-Apr-2022 30-Apr-2021
Tangible Fixed Assets - - -
Fixed Assets 2.4% 2.4% 2.4%
Stocks Inventory - - -
Debtors - - -
Cash Bank In Hand - - -
Current Assets 97.6% 97.6% 97.6%
Creditors Due Within One Year 0.0% 0.0% 0.0%
Net Current Assets Liabilities 97.6% 97.6% 97.6%
Creditors Due After One Year - - -
Accruals Deferred Income - - -
Provisions For Liabilities Charges - - -
Net Assets Liabilities Including Pension Asset Liability - - -
Called Up Share Capital - - -
Share Capital Allotted Called Up Paid - - -
Profit Loss Account Reserve - - -
Shareholder Funds 65.2% 65.2% 65.2%
Capital Employed - - -
Total Assets Less Current Liabilities 100.0% 100.0% 100.0%
Financial Ratio Analysis Unlock full report
Accounts Date 31-Jan-2025 30-Apr-2022 30-Apr-2021
Liquidity Ratio 3999.0 3999.0 3999.0
Solvency Ratio 2.9 2.9 2.9
Reserves to Assets - - -
Secured Creditors Unlock full report
Mortgages Charges 0
Mortgages Outstanding 0
Mortgages Part Satisfied 0
Mortgages Satisfied 0
Assets and Debt Analysis Unlock full report
Accounts Date 31-Jan-2025 30-Apr-2022 30-Apr-2021
Assets 4,098 4,098 4,098
Debt 1,428 1,428 1,428
Net Assets/Debt 2,670 2,670 2,670
It is not clear that the company was actively trading prior to the latest financial data filed. Examination of the full accounts may provide further information. If the company remains active on the company register it may have traded in the period since the date of the latest filed accounts. A full credit report may provide information relating to trade payment history and county court or court judgments if any.
Public Record Information Unlock full report
Exact Court Judgements
Period of Months Last 12m 13-24m 25-36m 37-48m 49-60m 61-72m
Number of Exact CCJS X Y Y X X Y
Value of Exact CCJS YXY YK S S X KX
Supplier Credit Limits Unlock full report
Date Sector Notified Amount Terms
XK-SXY XKXYXK SXSKXYXK £X,000 XS XYSKS
SK-SYY SKXYXKYKKY KSXX KKXXYXS £YY,000 YS XYSKS SK YXXSXS
YK-SXY XKXYXYYK SXSXYXK £SX,000 XS XYSKS
Payment Records Unlock full report
Payment Records from it's suppliers' company ledger show how a company is paying its suppliers

Payment Analysis

Total Invoices Paid Before
30 days due		 Paid After
30 days due		 Owing Before
30 days due		 Owing after
30 days due
XYX SX K YX X
Company Valuation Analysis Unlock full report

Going Concern Valuation

The going concern valuations value the company on the basis that it continues to trade without the threat of liquidation for the foreseeable future. These valuations are primarily profit and cashflow based.

Valuations Valuation Measures
Estimated High Value £XSI,000 Retained Profit £YX,000
Estimated Mid Value £YY,000 EBIT £SY,000
Estimated Low Value £X,000 EBITDA £SSX,000

Liquidation Valuation

The liquidaton valuation values the company as if it were to cease trading and assets were subject to rapid disposal to cover liabilities. This valuation is primarily asset based.

Valuations Valuation Measures
Estimated High Value £XY,000 Total Assets £XIX,000
Estimated Mid Value £Y,000 Net Assets £YX,000
Estimated Low Value £S,000 Tangible Equity £SX,000

The above valuations are based on our own algorithms and take no account of many factors that can influence actual valuations realized and should not therefore be assumed to be accurate.
Credit Status Checklist Unlock full report
Business Growth Please purchase a report to see true comments
EBITDA Purchase a report to see true comments
Dividends Please purchase a report to see true comments about this company
Retained Profits Retained Profits for this company
Debt Interest Debt Interest for this company
Cash Flow Cash Flow for this company
CCJs CCJs for this company
Age of Company Age of Company for this company
Solvency Solvency for this company
Secured Creditors Secured Creditors for this company
Ownership Ownership for this company


First Report Score: (0-10) X
Financial Status Guide:
10 Very Strong
9 Strong
8 Very Good
7 Good
6 Above Average
5 Average
4 Below Average
3 Poor
2 Weak
1 Very Weak
0 Critical

Risk Score Trend

Risk Rating Unlock full report

This is the credit risk assessment used by one of the top UK credit reference agencies.

Risk Score (1-100) X
Risk Band Description XXMXMXMX SISX
Risk Assessment Meeting of Creditors
Credit Rating XSKX
Altman Z Score Credit Risk Rating Unlock full report

There have been many bankruptcy predictors developed, however none has been so thoroughly tested and broadly accepted as the Altman Z-Score.

Z Score X
Risk Band XY
Risk Band Description The Z Score is not used for small companies where full accounts are not filed because profit and loss account items are required to calculate the score.

Z Score Bands

1 Low Risk 3.00 and above
2 Caution 2.63 - 2.99
3 Risk of Failure within 2 years 1.24 - 2.62
4 High Probability Failure Below 1.24
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Document Filings
Confirmation statement made on 1 December 2025 with updates
Registered office address changed from Greenacre Farm Murcott Kidlington OX5 2RE United Kingdom to 173 Harwell Innovation Centre Curie Avenue Harwell Science & Innovation Campus Didcot Oxfordshire OX11 0QG on 2 January 2026
Statement of capital following an allotment of shares on 18 August 2025
Appointment of Mr Ajaz Ahmed as a secretary on 5 August 2025
Appointment of Mr Ajaz Ahmed as a director on 5 August 2025
Previous accounting period shortened from 30 April 2024 to 31 January 2024
Change of details for Mr David James Anderson Calderwood as a person with significant control on 23 January 2025
Change of details for Mrs Eng Juan Han Calderwood as a person with significant control on 23 January 2025
Confirmation statement made on 1 December 2024 with updates
Confirmation statement made on 2 April 2024 with updates
Notification of Eng Juan Calderwood as a person with significant control on 1 April 2024
Change of details for Mr James Edwin Lewis as a person with significant control on 1 April 2024
Notification of David James Anderson Calderwood as a person with significant control on 1 April 2024
Appointment of Mrs Eng Juan Han Calderwood as a director on 1 February 2024
Appointment of Mr David James Anderson Calderwood as a director on 1 February 2024
Certificate of change of name
Confirmation statement made on 23 April 2023 with no updates
Confirmation statement made on 23 April 2022 with no updates
Confirmation statement made on 23 April 2021 with no updates
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