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Company No. 11389544 · Incorporated 30 May 2018

Seilwaith Amey Cymru / Amey Infrastructure Wales Limited

Registered name: SEILWAITH AMEY CYMRU / AMEY INFRASTRUCTURE WALES LIMITED

Part of Project Ardent Bidco Limited group

Seilwaith Amey Cymru / Amey Infrastructure Wales Limited made £133m revenue and £2.7m profit in the year to 31 Dec 2025.

Seilwaith Amey Cymru / Amey Infrastructure Wales Limited’s revenue fell 17% to £133m in the year to 31 Dec 2025, with £2.7m profit and 119 employees. The company is classified under “passenger rail transport, interurban” and is based in Pontypridd; we hold 2 years of its filed accounts.

Full P&L filedSection H · Transportation and storageSIC 49100Passenger rail transport, interurban
Status
Active
Location
Pontypridd, Wales
Age
8 yrs · since 2018
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. From the filing: “Amey Rail Limited”

Latest accounts · year to 31 Dec 2025

Key figures

Capital-light
Revenue
£133m
Growth ▼17.4%
Profit
£2.7m
Growth ▲40%
Profit margin
2%
Gross 5.4%
Employees
119
Change ▲5.3%
Profit / employee
£22.7k
Revenue/employee £1.1m
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.

2 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Dec 202431 Dec 2025
DisclosureFull P&LFull P&L
Profit & loss
Revenue (turnover)£161m£133m
Cost of sales−£155m−£126m
Gross profit£6.5m£7.1m
Operating profit£2.7m£3.6m
Profit before tax£2.6m£3.6m
Profit after tax£1.9m£2.7m
Profit (best available)£1.9m£2.7m
Employees (average)113119
Ratios
Profit margin1.2%2%
Gross margin4%5.4%
Revenue per employee£1.4m£1.1m
Profit per employee£17.1k£22.7k
Growth (year on year)
Revenue growth—▼17.4%
Profit growth—▲40%
Headcount growth—▲5.3%
Balance sheet — indirect signals, not revenue
Cash at bank£4.6m£12k
Net assets£8.4m£11.1m
Fixed assets£840k£756k
Current assets£43.4m£59.5m
Debtors£3m£6.1m
Deferred income£7.9m£14.5m
SourceFull accounts · bulk data Aug 2026Full accounts · bulk data Aug 2026
Derived from the latest filing

How the business works

Profit margin
2%
Profit ÷ revenue.
Gross margin
5.4%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£1.1m
Revenue ÷ average employees.
Profit per employee
£22.7k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
0.6%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
10.9%
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
4.6%
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
▲32%
Now £11.1m
Cash at bank
▼100%
Now £12k
Headcount
▲5%
Now 119
Deferred income
▲83%
Now £14.5m
Fixed assets
▼10%
Now £756k
Corporate ownership

Group structure

Ownership chain

  1. Project Ardent Bidco Limitedultimate parent75–100%
  2. Amey UK Limited75–100%
  3. Amey Holdings Limited75–100%
  4. Amey Limited75–100%
  5. Amey Rail Limited75–100%
  6. Seilwaith Amey Cymru / Amey Infrastructure Wales Limitedthis company

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

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

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Latest figures from Full accounts for the year to 31 Dec 2025 (profit £2.7m), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.

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