How much does Esi Controls Limited make?

Esi Controls Limited reported revenue of £9.6m and £1.5m profit in the year to 31 Mar 2026, according to its accounts filed at Companies House.

How many employees does Esi Controls Limited have?

Esi Controls Limited reported an average of 21 employees in the year to 31 Mar 2026.

Is Esi Controls Limited profitable?

Yes — Esi Controls Limited reported a profit of £1.5m in the year to 31 Mar 2026.

Company No. 07089566 · Incorporated 27 Nov 2009

Esi Controls Limited

Registered name: ESI CONTROLS LIMITED

Part of Addtech Ab (Publ) group

Esi Controls Limited made £9.6m revenue and £1.5m profit in the year to 31 Mar 2026. read from filing text

Esi Controls Limited’s revenue fell 9% to £9.6m in the year to 31 Mar 2026, with £1.5m profit and 21 employees. The company is classified under “wholesale of hardware, plumbing and heating equipment and supplies” and is based in Buckingham; we hold 4 years of its filed accounts.

Full P&L filedSection G · Wholesale and retail trade; repair of motor vehiclesSIC 46740Wholesale of hardware, plumbing and heating equipment and supplies

Status: Active
Location: Buckingham, South East
Age: 16 yrs · since 2009
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

Capital-lightBoring industryCash flow filed

Revenue

£9.6m

Growth ▼9.4%

Profit

£1.5m

Growth ▼19.5%

Profit margin

15.8%

Gross 44.4%

Employees

Change ▲10.5%

Profit / employee

£72.7k

Revenue/employee £459k

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.

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Mar 2023	31 Mar 2024	31 Mar 2025	31 Mar 2026
Disclosure	No P&L	Full P&Lread from filing text	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	—	£10.4m	£10.6m	£9.6m
Cost of sales	—	£6.2m	£5.9m	£5.4m
Gross profit	—	£4.2m	£4.7m	£4.3m
Operating profit	—	£2.1m	£2.5m	£2m
Profit before tax	—	£2m	£2.4m	£1.9m
Profit after tax	—	£1.6m	£1.9m	£1.5m
Profit (best available)	—	£1.6m	£1.9m	£1.5m
Staff costs	—	£1.1m	£1.2m	£1.4m
Employees (average)	19	19	19	21
Ratios
Profit margin	—	15.5%	17.8%	15.8%
Gross margin	—	40%	44.4%	44.4%
Revenue per employee	—	£547k	£560k	£459k
Profit per employee	—	£84.9k	£99.8k	£72.7k
Cash conversion	—	−123.8%	−81%	−174.7%
Growth (year on year)
Revenue growth	—	—	▲2.4%	▼9.4%
Profit growth	—	—	▲17.4%	▼19.5%
Headcount growth	—	0%	0%	▲10.5%
Balance sheet — indirect signals, not revenue
Cash at bank	£2.1m	£821k	£339k	£1.1m
Net assets	£6.7m	£4.5m	£4.4m	£3.7m
Fixed assets	£180k	£76.3k	£45.3k	£31.6k
Current assets	£7.2m	£5.6m	£5.4m	£4.7m
Debtors	£2.3m	£2.7m	£2.4m	£1.6m
Cash from operations	—	−£2.6m	−£2m	−£3.4m
Source	FullAccounts · bulk data Oct 2024	FullAccounts · bulk data Oct 2024	FullAccounts · bulk data Oct 2025	FullAccounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: 15.8%; Profit ÷ revenue.
Gross margin: 44.4%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £459k; Revenue ÷ average employees.
Profit per employee: £72.7k; Profit ÷ average employees.
Cash conversion: −174.7%; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 0.3%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 17%; 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: ▼15%; Now £3.7m
Cash at bank: ▲233%; Now £1.1m
Headcount: ▲11%; Now 21
Deferred income: —; Now —
Fixed assets: ▼30%; Now £31.6k

Corporate ownership

Group structure

Ownership chain

Addtech Ab (Publ) (registered outside the UK register)ultimate parent75–100%
Esi Controls 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

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Mar 2026 (profit £1.5m), from the Companies House accounts bulk data published Sep 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.