How much does Terahelix Ltd make?

Terahelix Ltd reported revenue of £846k and £265k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Terahelix Ltd have?

Terahelix Ltd reported an average of 1 employee in the year to 31 Dec 2025.

Is Terahelix Ltd profitable?

Yes — Terahelix Ltd reported a profit of £265k in the year to 31 Dec 2025.

Company No. 11746405 · Incorporated 2 Jan 2019

Terahelix Ltd

Registered name: TERAHELIX LTD

Part of S&P Global Inc. group

Terahelix Ltd made £846k revenue and £265k profit in the year to 31 Dec 2025.

Terahelix Ltd’s revenue fell 49% to £846k in the year to 31 Dec 2025, with £265k profit and 1 employee. The company is classified under “business and domestic software development” and is based in London; we hold 4 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 62012Business and domestic software development SIC 62020Information technology consultancy activities

Status: Active
Location: London, London
Age: 7 yrs · since 2019
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 Dec 2025

Key figures

Small team

Revenue

£846k

Growth ▼48.9%

Profit

£265k

Growth ▲82.8%

Profit margin

31.3%

Employees

Change ▼50%

Profit / employee

£265k

Revenue/employee £846k

Profitable streak

2yrs

Consecutive profitable years in our data

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

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Dec 2022	31 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	No P&L	No P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	—	—	£1.7m	£846k
Operating profit	—	—	£192k	£348k
Profit before tax	—	—	£194k	£353k
Profit after tax	—	—	£145k	£265k
Profit (best available)	—	—	£145k	£265k
Employees (average)	0	0	2	1
Ratios
Profit margin	—	—	8.8%	31.3%
Revenue per employee	—	—	£828k	£846k
Profit per employee	—	—	£72.5k	£265k
Growth (year on year)
Revenue growth	—	—	—	▼48.9%
Profit growth	—	—	—	▲82.8%
Headcount growth	—	—	—	▼50%
Balance sheet — indirect signals, not revenue
Cash at bank	—	£50.1k	£111k	—
Net assets	£52.5k	£82.3k	£228k	—
Fixed assets	£0	£703	£752	—
Current assets	£91.1k	£135k	£277k	—
Debtors	—	£48.1k	£91.4k	—
Deferred income	£13	£13	—	—
Source	FilletedAccounts · bulk data Apr 2024	FilletedAccounts · bulk data Apr 2024	FilletedAccounts · bulk data Apr 2025	Accounts · bulk data May 2026

Derived from the latest filing

How the business works

Profit margin: 31.3%; Profit ÷ revenue.
Gross margin: —; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £846k; Revenue ÷ average employees.
Profit per employee: £265k; 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: ▼50%; Now 1
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

S&P Global Inc. (registered outside the UK register)ultimate parent75–100%
S&P Global Capital Limited50–75%
S&P Global Beta Limited75–100%
Ihs International Holdings Limited75–100%
Ihs Group Holdings Limited75–100%
Ihsm Global Holdings Ltd.50–75%
Ihs Markit Lending 175–100%
Ihsm Holdings UK Ltd75–100%
S&P Global Limited75–100%
Terahelix Ltdthis company

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

Sister companies (6)

Ihs Markit Holdings LimitedFigures not disclosed
Ihs Markit Investments LimitedFigures not disclosed
Ihsm Holdings Germany LtdFigures not disclosed
Ipreo LimitedFigures not disclosed
Rushmore Associates LimitedFigures not disclosed
S&P Global Holdings Europe LimitedFigures not disclosed

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

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Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 31 Dec 2025 (profit £265k), from the Companies House accounts bulk data published May 2026. Spotted an error? Request a correction.

Updated from Companies House on 12 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.