Colinwell Masonry Products Limited
Registered name: COLINWELL MASONRY PRODUCTS LIMITED
Part of Rtu Limited groupColinwell Masonry Products Limited made £4.9m revenue and £859k profit in the year to 31 Jul 2025.
Colinwell Masonry Products Limited’s revenue was £4.9m in the year to 31 Jul 2025, with £859k profit and 18 employees. The company is classified under “manufacture of concrete products for construction purposes” and is based in Belfast; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Belfast, Northern Ireland
- Age
- 5 yrs · since 2021
- 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: “Colinwell Masonry Products Holdings Limited”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Oct 2022 | 31 Mar 2024 | 31 Jul 2024 | 31 Jul 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | No P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | — | — | £1.4m | £4.9m |
| Cost of sales | — | — | £762k | £2.4m |
| Gross profit | — | — | £685k | £2.5m |
| Operating profit | — | — | £320k | £1.1m |
| Profit before tax | — | — | £322k | £1.1m |
| Profit after tax | — | — | £242k | £859k |
| Profit (best available) | — | — | £242k | £859k |
| Staff costs | — | — | £300k | £1.3m |
| Employees (average) | 17 | 17 | 16 | 18 |
| Ratios | ||||
| Profit margin | — | — | 16.7% | 17.5% |
| Gross margin | — | — | 47.4% | 50.3% |
| Revenue per employee | — | — | £90.4k | £272k |
| Profit per employee | — | — | £15.1k | £47.7k |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £773k | £669k | £234k | £97.1k |
| Net assets | £1.9m | £1.4m | £2.3m | £3.1m |
| Fixed assets | £1m | £659k | £613k | £667k |
| Current assets | £1.6m | £1.6m | £2.7m | £3.7m |
| Debtors | £422k | £575k | £469k | £559k |
| Source | FilletedAccounts · bulk data Nov 2024 | FilletedAccounts · bulk data Nov 2024 | FilletedAccounts · bulk data Apr 2025 | FullAccounts · bulk data Apr 2026 |
How the business works
- Profit margin
- 17.5%
- Profit ÷ revenue.
- Gross margin
- 50.3%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £272k
- Revenue ÷ average employees.
- Profit per employee
- £47.7k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 13.6%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 11.4%
- Money owed by customers. Low = customers pay quickly.
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 £3.1m
- Cash at bank
- —
- Now £97.1k
- Headcount
- —
- Now 18
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now £667k
Group structure
Ownership chain
- Rtu Limitedultimate parent75–100%
- Colinwell Masonry Products Holdings Limited75–100%
- Colinwell Masonry Products 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).
Similar profitable businesses
- O’reilly Precast LimitedBarry · Manufacture of concrete products for construction purposes
- Revenue
- £6.1m
- Profit
- £553k
- Staff
- 7
- Stressline LimitedLeicestershire · Manufacture of concrete products for construction purposes
- Revenue
- £7.2m
- Profit
- £99.8k
- Staff
- 56
- J.k.h.drainage Units LimitedBury ST. Edmunds · Manufacture of concrete products for construction purposes
- Revenue
- £9.7m
- Profit
- £402k
- Staff
- 70
Sources
Latest figures from FullAccounts for the year to 31 Jul 2025 (profit £859k), from the Companies House accounts bulk data published Apr 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.