How much does Ark Mechanical and Electrical Services Limited make?

Ark Mechanical and Electrical Services Limited reported revenue of £101m and a loss of £68k in the year to 31 Mar 2026, according to its accounts filed at Companies House.

How many employees does Ark Mechanical and Electrical Services Limited have?

Ark Mechanical and Electrical Services Limited reported an average of 99 employees in the year to 31 Mar 2026.

Is Ark Mechanical and Electrical Services Limited profitable?

No — Ark Mechanical and Electrical Services Limited reported a loss of £68k in the year to 31 Mar 2026.

Company No. 08441858 · Incorporated 12 Mar 2013

Ark Mechanical and Electrical Services Limited

Registered name: ARK MECHANICAL AND ELECTRICAL SERVICES LIMITED

Part of JRL Group Holdings Limited group

Ark Mechanical and Electrical Services Limited made £101m revenue and a £68k loss in the year to 31 Mar 2026.

Ark Mechanical and Electrical Services Limited’s revenue was £101m in the year to 31 Mar 2026, with a loss of £68k and 99 employees. The company is classified under “construction of commercial buildings” and is based in Borehamwood; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 41201Construction of commercial buildings SIC 41202Construction of domestic buildings

Status: Active
Location: Borehamwood, East of England
Age: 13 yrs · since 2013
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

£101m

Growth —

Profit

−£68k

Growth —

Profit margin

−0.1%

Gross 4.7%

Employees

Change —

Profit / employee

−£687

Revenue/employee £1m

Profitable streak

0yrs

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 2023	31 Mar 2025	30 Apr 2025	31 Mar 2026
Disclosure	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£112m	£123m	£123m	£101m
Cost of sales	£104m	−£108m	£108m	−£96.5m
Gross profit	£8.1m	£14.8m	£14.8m	£4.7m
Operating profit	£2.2m	£6.3m	£6.3m	−£62k
Profit before tax	£2.2m	£6.3m	£6.3m	−£69k
Profit after tax	£1.6m	£4.8m	£4.8m	−£68k
Profit (best available)	£1.6m	£4.8m	£4.8m	−£68k
Staff costs	£8.4m	—	£11.6m	—
Employees (average)	109	103	103	99
Ratios
Profit margin	1.4%	3.9%	3.9%	−0.1%
Gross margin	7.2%	12%	12%	4.7%
Revenue per employee	£1m	£1.2m	£1.2m	£1m
Profit per employee	£14.6k	£46.4k	£46.4k	−£687
Balance sheet — indirect signals, not revenue
Cash at bank	£4.8m	—	£5.4m	—
Net assets	£14.9m	—	£19.7m	—
Fixed assets	£49k	—	£33k	—
Current assets	£52.1m	—	£54.4m	—
Debtors	£66k	—	£67k	—
Deferred income	£12.9m	—	£11.4m	—
Source	FullAccounts · bulk data Jan 2026	Accounts · bulk data Aug 2026	FullAccounts · bulk data Jan 2026	Accounts · bulk data Aug 2026

Derived from the latest filing

How the business works

Profit margin: −0.1%; Profit ÷ revenue.
Gross margin: 4.7%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £1m; Revenue ÷ average employees.
Profit per employee: −£687; 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: —; Now 99
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

JRL Group Holdings Limitedultimate parent75–100%
JRL Group Limited75–100%
Ark Mechanical and Electrical Services Limitedthis company

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

Sister companies (28)

Midgard LtdRev. £580m · Profit −£11.6m
J. Reddington LtdRev. £298m · Profit −£5.7m
McMullen Facades LimitedRev. £121m · Profit −£11.7m
Thames Reinforcements LimitedRev. £65.5m · Profit £693k
Midgard City LimitedRev. £62.8m · Profit −£3.3m
London Tower Crane Hire & Sales LimitedRev. £57.7m · Profit £5.5m
JRL Modular LtdRev. £20.2m · Profit −£5.2m
JRL Environmental LimitedRev. £14.3m · Profit −£1.1m
Anglo Swiss Façade Design LimitedFigures not disclosed
Elstree Civil Engineering LimitedFigures not disclosed
JRL Access LimitedFigures not disclosed
JRL Civil Engineering LimitedFigures not disclosed
JRL Demolition LimitedFigures not disclosed
JRL Drylining LimitedFigures not disclosed
JRL GH Facades LimitedFigures not disclosed
JRL Plant and Logistics LimitedFigures not disclosed
JRL Structures LimitedFigures not disclosed
JRL Trading (3) LtdFigures not disclosed
London Concrete Pumping LimitedFigures not disclosed
Midgard Design Services LtdFigures not disclosed
Midgard Public Sector LimitedFigures not disclosed
Quantum Gate LimitedFigures not disclosed
Slipstructures LimitedFigures not disclosed
Stair Master LtdFigures not disclosed
Trent Precast Concrete LimitedFigures not disclosed
Trent Reinforcements LtdFigures not disclosed
UK Facades LimitedFigures not disclosed
Woodland Environmental 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 Mar 2026 (profit −£68k), from the Companies House accounts bulk data published Aug 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.