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Company No. 01368342 · Incorporated 15 May 1978

A. & B. Engineering (Mechanical Service Division) Limited

Registered name: A. & B. ENGINEERING (MECHANICAL SERVICE DIVISION) LIMITED

Part of A&b Engineering Mep Limited group

A. & B. Engineering (Mechanical Service Division) Limited made £59.9m revenue and £2.7m profit in the year to 28 Feb 2025.

A. & B. Engineering (Mechanical Service Division) Limited’s revenue grew 13% to £59.9m in the year to 28 Feb 2025, with £2.7m profit and 79 employees. The company is classified under “plumbing, heat and air-conditioning installation” and is based in Liverpool; we hold 3 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 43220Plumbing, heat and air-conditioning installation
Status
Active
Location
Liverpool, North West
Age
48 yrs · since 1978
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 28 Feb 2025

Key figures

Capital-lightBoring industryCash flow filed
Revenue
£59.9m
Growth ▲12.7%
Profit
£2.7m
Growth ▲4.5%
Profit margin
4.5%
Gross 12.1%
Employees
79
Change ▲9.7%
Profit / employee
£33.9k
Revenue/employee £758k
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 to28 Feb 202329 Feb 202428 Feb 2025
DisclosureFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£45.4m£53.1m£59.9m
Cost of sales£39.7m£46m£52.6m
Gross profit£5.7m£7.1m£7.2m
Operating profit£1.8m£3.5m£3.7m
Profit before tax£1.8m£3.4m£3.6m
Profit after tax£1.5m£2.6m£2.7m
Profit (best available)£1.5m£2.6m£2.7m
Staff costs£4.2m£4.1m£4.4m
Employees (average)607279
Ratios
Profit margin3.2%4.8%4.5%
Gross margin12.5%13.4%12.1%
Revenue per employee£756k£737k£758k
Profit per employee£24.2k£35.6k£33.9k
Cash conversion−134.6%−123.9%−43%
Growth (year on year)
Revenue growth—▲17.1%▲12.7%
Profit growth—▲76.3%▲4.5%
Headcount growth—▲20%▲9.7%
Balance sheet — indirect signals, not revenue
Cash at bank£1.9m£2.9m£988k
Net assets£2.8m£2.1m£2.3m
Fixed assets£1.1m£1.1m£1.1m
Current assets£13.9m£16m£18.3m
Debtors£11.9m£13.1m£17.3m
Cash from operations−£2.5m−£4.4m−£1.6m
SourceFullAccounts · bulk data Nov 2024FullAccounts · bulk data Nov 2024FullAccounts · bulk data Nov 2025
Derived from the latest filing

How the business works

Profit margin
4.5%
Profit ÷ revenue.
Gross margin
12.1%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£758k
Revenue ÷ average employees.
Profit per employee
£33.9k
Profit ÷ average employees.
Cash conversion
−43%
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
1.8%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
—
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
28.9%
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
▲9%
Now £2.3m
Cash at bank
▼66%
Now £988k
Headcount
▲10%
Now 79
Deferred income
—
Now —
Fixed assets
▼1%
Now £1.1m
Corporate ownership

Group structure

Ownership chain

  1. A&b Engineering Mep Limitedultimate parent75–100%
  2. A. & B. Engineering (Mechanical Service Division) 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 FullAccounts for the year to 28 Feb 2025 (profit £2.7m), from the Companies House accounts bulk data published Nov 2025. Spotted an error? Request a correction.

Updated from Companies House on 15 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.