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Other telecommunications activities · London, Greater London
SDT
SDT Ltd
Private limited company registered in London, classed under “Other telecommunications activities” and 2 other activities.
Headline figures
FY to Mar 2025 · Company only
Turnover
For subscribers
Profit after tax
—
Not filed: small-company exemption
Net assets
For subscribers
Cash
For subscribers
Employees
For subscribers
What the numbers say
2 findings from the figures, in plain English
Written by rules from the figures on this page. Not a forecast or a credit opinion.
History
| £ | 2020 | 2021 | 2022* | 2023* | 2025 |
|---|---|---|---|---|---|
| Profit after tax | — | ||||
| Turnover | |||||
| Net assets | |||||
| Cash | |||||
| Employees |
Every figure for all 5 years
“—” means we did not find the figure in a source; it is never filled with an estimate. * Restated: the next year's accounts printed different figures for this year, and those later figures are shown.
Balance sheet and ratios
From the filed balance sheets · £
| Balance sheet | 2021 | 2022 | 2023 | 2025 |
|---|---|---|---|---|
| Fixed assets | ||||
| Current assets | ||||
| Creditors due within a year | ||||
| Net current assets | ||||
| Net assets | ||||
| Ratios | ||||
| Current ratioCurrent assets for every £1 owed within a year | ||||
| Creditors to assetsEverything owed to creditors as a share of fixed plus current assets | ||||
5 balance-sheet lines and 2 ratios, every year
A ratio appears only for years where every line it needs was filed. Lines are as tagged in the accounts; nothing is added up or estimated.
Questions people ask
›What does SDT do?
Private limited company registered in London, classed under “Other telecommunications activities” and 2 other activities.
›How much turnover does SDT make?
Answered in the full report
›Is SDT profitable?
SDT's profit isn't public: small companies may file without a profit and loss account.
›How many people work at SDT?
Answered in the full report
›Where is SDT based?
Its registered office is 77 Cornhill, London, Greater London, EC3V 3QQ, in London, Greater London.
›When was SDT founded?
SDT Ltd was incorporated on 13 June 1994.
›Is SDT still trading?
The register lists SDT Ltd as active.