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Company No. 01800000 · Incorporated 1 Apr 1984

British Telecommunications Limited

Registered name: BRITISH TELECOMMUNICATIONS LIMITED

Part of BT Group PLC group

British Telecommunications Limited made £19.7bn revenue and £1.7bn profit in the year to 31 Mar 2026.

British Telecommunications Limited’s revenue fell 3% to £19.7bn in the year to 31 Mar 2026, with £1.7bn profit and 84,000 employees. The company is classified under “other telecommunications activities” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 61900Other telecommunications activities
Status
Active
Location
London, London
Age
42 yrs · since 1984
Type
Private Limited Company

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.

Latest accounts · year to 31 Mar 2026

Key figures

Revenue
£19.7bn
Growth ▼3.5%
Profit
£1.7bn
Growth ▼3.1%
Profit margin
8.8%
 
Employees
84,000
Change ▲263.6%
Profit / employee
£20.5k
Revenue/employee £234k
Profitable streak
3yrs
Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Mar 202431 Mar 202531 Mar 2026
DisclosureFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£20.8bn£20.4bn£19.7bn
Operating profit£2.2bn£2.5bn£2.9bn
Profit before tax£1.9bn£2.1bn£2.1bn
Profit after tax£1.6bn£1.8bn£1.7bn
Profit (best available)£1.6bn£1.8bn£1.7bn
Employees (average)24,70023,10084,000
Ratios
Profit margin7.5%8.8%8.8%
Revenue per employee£842k£881k£234k
Profit per employee£63.4k£77.1k£20.5k
Growth (year on year)
Revenue growth—▼2.1%▼3.5%
Profit growth—▲13.7%▼3.1%
Headcount growth—▼6.5%▲263.6%
Balance sheet — indirect signals, not revenue
Net assets———
SourceAccounts · bulk data Jul 2025Accounts · bulk data Jul 2025Accounts · bulk data Jun 2026
Derived from the latest filing

How the business works

Profit margin
8.8%
Profit ÷ revenue.
Gross margin
—
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£234k
Revenue ÷ average employees.
Profit per employee
£20.5k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
—
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
—
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
—
Money owed by customers. Low = customers pay quickly.
Indirect — not revenue

Balance-sheet signals

Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.

Net assets
—
Now —
Cash at bank
—
Now —
Headcount
▲264%
Now 84,000
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Ownership chain

  1. BT Group PLCultimate parent75–100%
  2. BT Group Investments Limited75–100%
  3. British Telecommunications Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Subsidiaries (29)

Sister companies (1)

From the Persons with Significant Control register (corporate controllers only).

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 31 Mar 2026 (profit £1.7bn), from the Companies House accounts bulk data published Jun 2026. Spotted an error? Request a correction.

Updated from Companies House on 13 Oct 2026

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.