Company Overview
Thamesport Interchange Limited is listed at the official companies registry as Active Private Limited Company. The company was incorporated on Friday 19 October 2007, so this is a well established company. Thamesport Interchange Limited has been in business for 18 years and 5 months. The accounts status is full and the accounts are next due on Thursday 31 December 2026.
Registered Address

1-3 Strand, London, WC2N 5EH
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Companies House Data
Company NameTHAMESPORT INTERCHANGE LIMITED
Company Number06404380
Registered Office Address1-3 Strand
 London
 WC2N 5EH
Company CategoryPrivate Limited Company
Company StatusActive
Country of OriginUnited Kingdom
Incorporation Date19/10/2007
Accounting Reference Date Day31
Accounting Reference Date Month3
Accounts Next Due Date31/12/2026
Accounts Last Made Up Date31/03/2025
Accounts Account CategoryFULL
Returns Next Due Date29/08/2016
Returns Last Made Up Date01/08/2015
Directors & Members
Show Resigned
Edward Carter - Director
(British, 53 years old, born January 1973)
Appointed 28 November 2025
 Active
Simon Culkin - Director
(British, 54 years old, born May 1972)
Appointed 01 May 2021
 Active
Secretaries
Show Resigned
Teifion Hill - Secretary
Appointed 28 November 2025
 Active
Other Company Directorships
Edward Carter
GRAIN LNG LIMITED
Simon Culkin
CARBON SENTINEL LIMITED
GRAIN LNG LIMITED
NATIONAL GRID CARBON LIMITED
NATIONAL GRID HYDROGEN LIMITED
Balance Sheet Unlock full report
Accounts Date 31-Mar-2025 31-Mar-2015 31-Mar-2014
Balance Sheet
Fixed Assets 95,503,000 95,503,000 93,274,000
Current Assets 14,111,000 14,111,000 10,841,000
Creditors Due Within One Year 82,631,000 82,631,000 80,932,000
Working Cap -68,520,000 -68,520,000 -70,091,000
Total Assets Less Current Liabilities 26,983,000 26,983,000 23,183,000
Long-term Liabilities 8,555,000 8,555,000 127,000
Net Assets 18,428,000 18,428,000 23,056,000
Share Capital & Reserves
Share Cap 40,000,000 40,000,000 40,000,000
Profit & Loss Reserves -21,572,000 -21,572,000 -16,944,000
Other Reserves 0 0 0
Shareholders Funds 18,428,000 18,428,000 23,056,000
Common Size Financial Analysis Unlock full report
Accounts Date 31-Mar-2025 31-Mar-2015 31-Mar-2014
Tangible Fixed Assets - - -
Fixed Assets 87.1% 87.1% 89.6%
Stocks Inventory 0.0% 0.0% 0.0%
Debtors 0.1% 0.1% 0.6%
Cash Bank In Hand 0.0% 0.0% 0.0%
Current Assets 12.9% 12.9% 10.4%
Creditors Due Within One Year 75.4% 75.4% 77.7%
Net Current Assets Liabilities -62.5% -62.5% -67.3%
Creditors Due After One Year 7.8% 7.8% 0.1%
Accruals Deferred Income - - -
Provisions For Liabilities Charges - - -
Net Assets Liabilities Including Pension Asset Liability 16.8% 16.8% 22.1%
Called Up Share Capital 36.5% 36.5% 38.4%
Share Capital Allotted Called Up Paid 36.5% 36.5% 38.4%
Profit Loss Account Reserve -19.7% -19.7% -16.3%
Shareholder Funds 16.8% 16.8% 22.1%
Capital Employed - - -
Total Assets Less Current Liabilities 24.6% 24.6% 22.3%
Financial Ratio Analysis Unlock full report
Accounts Date 31-Mar-2025 31-Mar-2015 31-Mar-2014
Liquidity Ratio 0.2 0.2 0.1
Solvency Ratio 1.2 1.2 1.3
Reserves to Assets -0.2 -0.2 -0.2
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-Mar-2025 31-Mar-2015 31-Mar-2014
Assets 109,614,000 109,614,000 104,115,000
Debt 91,186,000 91,186,000 81,059,000
Net Assets/Debt 18,428,000 18,428,000 23,056,000

The following is based on the accounts data presented in this report sourced from Companies House, however the company has filed later accounts. Our analysis of the latest account can be viewed by unlocking our full report.

Current debt exceeded short term liquid assets as at the balance sheet date. We would normally view this in the context of other profitability and solvency indicators. Total reserves including retained profitability and movement in reserves has some deficiency. The balance sheet indicates the net assets of a good sized company. The amount of net assets suggests sufficient cover for total debts and obligations for the size of the company inferred by the balance sheet.

Unlock full report  The following is based on the accounts data presented in this report sourced from Companies House, however the company has filed later accounts. Our analysis of the latest account can be viewed by unlocking our full report.Current debt exceeded short term liquid assets as at the balance sheet date. We would normally view this in the context of other profitability and solvency indicators. Total reserves including retained profitability and movement in reserves has some deficiency. The balance sheet indicates the net assets of a good sized company. The amount of net assets suggests sufficient cover for total debts and obligations for the size of the company inferred by the balance sheet.   The following is based on the accounts data presented in this report sourced from Companies House, however the company has filed later accounts. Our analysis of the latest account can be viewed by unlocking our full report.Current debt exceeded short term liquid assets as at the balance sheet date. We would normally view this in the context of other profitability and solvency indicators. Total reserves including retained profitability and movement in reserves has some deficiency. The balance sheet indicates the net assets of a good sized company. The amount of net assets suggests sufficient cover for total debts and obligations for the size of the company inferred by the balance sheet.

This review of public record balance sheet and company status information is presented under the terms of Open Government Licence and is for informational purposes only, is general in nature, and is not intended as an opinion or advice for any specific circumstances. The commentary and the colour band score is not a credit rating or credit risk assessment.

This review does not constitute a full credit rating or credit risk assessment based on the full analysis and credit score algorithms used in our credit reports. A full credit report may also 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
Other Business around WC2N 5EH
NATIONAL GRID VENTURES LIMITED
1-3 STRAND, LONDON, WC2N 5EH
CARBON SENTINEL LIMITED
1-3 STRAND, LONDON, WC2N 5EH
GRAIN LNG LIMITED
Grain Rd, Isle Of Grain, Rochester, Kent, WC2N 5EH
NG NOMINEES LIMITED
C/O INTERPATH LTD, 10 FLEET PLACE, LONDON, WC2N 5EH
LATTICE GROUP LIMITED
1-3 STRAND, LONDON, WC2N 5EH
NATIONAL GRID INTERCONNECTORS LIMITED
1-3 STRAND, LONDON, WC2N 5EH
NATIONAL GRID WILLIAM LIMITED
1-3 STRAND, LONDON, WC2N 5EH
NATIONAL GRID TWENTY-FIVE LIMITED
15 Canada Square, London, WC2N 5EH
NGT TELECOM NO. 1 LIMITED
15 Canada Square, London, WC2N 5EH
NGG FINANCE PLC
1 - 3 STRAND, LONDON, WC2N 5EH
Document Filings
Registration of charge 064043800001, created on 29 January 2026
Appointment of Edward Howard Carter as a director on 28 November 2025
Notification of Garden Bidco Ltd as a person with significant control on 28 November 2025
Cessation of National Grid Commercial Holdings Limited as a person with significant control on 28 November 2025
Appointment of Teifion Mark Hill as a secretary on 28 November 2025
Termination of appointment of Alistair Mark Todd as a director on 28 November 2025
Termination of appointment of Benjamin Hollis Wilson as a director on 28 November 2025
Termination of appointment of Katie Suzanne Hollis as a secretary on 28 November 2025
Registered office address changed from 1-3 Strand London WC2N 5EH to Grain Rd Isle of Grain Rochester Kent ME3 0AB on 10 December 2025
Confirmation statement made on 1 August 2025 with no updates
Termination of appointment of Guy Van Nieuwenhove as a director on 16 September 2024
Termination of appointment of Kate Jackson as a director on 30 August 2024
Appointment of Mr Benjamin Hollis Wilson as a director on 2 September 2024
Confirmation statement made on 1 August 2024 with no updates
Appointment of Katie Suzanne Hollis as a secretary on 6 November 2023
Termination of appointment of Sally Kenward as a secretary on 6 November 2023
Appointment of Mrs Sally Kenward as a secretary on 26 October 2023
Termination of appointment of Lawrence Hagan as a secretary on 26 October 2023
Termination of appointment of Julie Anne Taylor as a director on 1 September 2023
Appointment of Mr Alistair Mark Todd as a director on 1 September 2023
Appointment of Ms Kate Jackson as a director on 1 September 2023
Confirmation statement made on 1 August 2023 with no updates
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