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Company No. 03539665 · Incorporated 2 Apr 1998

HS1 Limited

Registered name: HS1 LIMITED

Part of Betjeman Holdings Jvco Limited group

HS1 Limited made £292m revenue and £115m profit in the year to 31 Mar 2026.

HS1 Limited’s revenue fell 1% to £292m in the year to 31 Mar 2026, with £115m profit and 62 employees. The company is classified under “other urban, suburban or metropolitan passenger land transport (not underground, metro or similar)” and is based in London; we hold 3 years of its filed accounts.

Status
Active
Location
London, London
Age
28 yrs · since 1998
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
£292m
Growth ▼0.5%
Profit
£115m
Growth ▼5.3%
Profit margin
39.5%
Gross 14.5%
Employees
62
Change ▲5.1%
Profit / employee
£1.9m
Revenue/employee £4.7m
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)£300m£293m£292m
Cost of sales£248m£235m£250m
Gross profit£52m£58.2m£42.3m
Profit before tax£101m£137m£133m
Profit after tax£102m£122m£115m
Profit (best available)£102m£122m£115m
Staff costs£8.5m£8.6m£9.6m
Employees (average)605962
Ratios
Profit margin33.9%41.5%39.5%
Gross margin17.3%19.8%14.5%
Revenue per employee£5m£5m£4.7m
Profit per employee£1.7m£2.1m£1.9m
Growth (year on year)
Revenue growth—▼2.1%▼0.5%
Profit growth—▲19.8%▼5.3%
Headcount growth—▼1.7%▲5.1%
Balance sheet — indirect signals, not revenue
Cash at bank£9.3m£3.6m£3m
Net assets£445m£612m£703m
Fixed assets£3.8bn£3.9bn£3.9bn
Current assets£116m£111m£122m
Debtors£92.5m£87.8m£92.2m
Deferred income£600k£300k£1.2m
SourceFullAccounts · bulk data Aug 2025FullAccounts · bulk data Aug 2025FullAccounts · bulk data Jul 2026
Derived from the latest filing

How the business works

Profit margin
39.5%
Profit ÷ revenue.
Gross margin
14.5%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£4.7m
Revenue ÷ average employees.
Profit per employee
£1.9m
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
1344%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
0.4%
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
31.6%
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
▲15%
Now £703m
Cash at bank
▼17%
Now £3m
Headcount
▲5%
Now 62
Deferred income
▲300%
Now £1.2m
Fixed assets
▲2%
Now £3.9bn

Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.

Corporate ownership

Group structure

Ownership chain

  1. Betjeman Holdings Jvco Limitedultimate parent75–100%
  2. Betjeman Holdings Midco Limited75–100%
  3. Betjeman Holdings Limited75–100%
  4. Helix Midco Limited75–100%
  5. Helix Bufferco Limited75–100%
  6. Helix Acquisition Limited75–100%
  7. HS1 Limitedthis company

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

Subsidiaries (1)

Sister companies (3)

Minority corporate shareholders

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

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Latest figures from FullAccounts for the year to 31 Mar 2026 (profit £115m), from the Companies House accounts bulk data published Jul 2026. Spotted an error? Request a correction.

Updated from Companies House on 11 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.