How much does Kelston Sparkes Contractors Limited make?

Kelston Sparkes Contractors Limited reported revenue of £39.6m and £4.7m profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Kelston Sparkes Contractors Limited have?

Kelston Sparkes Contractors Limited reported an average of 43 employees in the year to 31 Dec 2025.

Is Kelston Sparkes Contractors Limited profitable?

Yes — Kelston Sparkes Contractors Limited reported a profit of £4.7m in the year to 31 Dec 2025.

Company No. 01157216 · Incorporated 16 Jan 1974

Kelston Sparkes Contractors Limited

Registered name: KELSTON SPARKES CONTRACTORS LIMITED

Part of Kelston Sparkes Holdings Limited group

Kelston Sparkes Contractors Limited made £39.6m revenue and £4.7m profit in the year to 31 Dec 2025.

Kelston Sparkes Contractors Limited’s revenue fell 22% to £39.6m in the year to 31 Dec 2025, with £4.7m profit and 43 employees. The company is classified under “other specialised construction activities” and is based in Bristol; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 43999Other specialised construction activities n.e.c.

Status: Active
Location: Bristol, South West
Age: 52 yrs · since 1974
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 Dec 2025

Key figures

Boring industryCash flow filed

Revenue

£39.6m

Growth ▼22.2%

Profit

£4.7m

Growth ▼27.7%

Profit margin

11.8%

Gross 16.6%

Employees

Change ▼17.3%

Profit / employee

£109k

Revenue/employee £921k

Profitable streak

4yrs

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 2022	31 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£18.7m	£20.5m	£50.9m	£39.6m
Cost of sales	£16.3m	£17.6m	£42.9m	£33m
Gross profit	£2.4m	£2.9m	£8m	£6.6m
Operating profit	£1.3m	£1.7m	£5.7m	£4.2m
Profit before tax	£1.4m	£2m	£6.5m	£5.1m
Profit after tax	£1.4m	£2m	£6.5m	£4.7m
Profit (best available)	£1.4m	£2m	£6.5m	£4.7m
Employees (average)	42	47	52	43
Ratios
Profit margin	7.2%	9.8%	12.7%	11.8%
Gross margin	12.8%	14.2%	15.8%	16.6%
Revenue per employee	£444k	£437k	£979k	£921k
Profit per employee	£32.2k	£42.8k	£125k	£109k
Cash conversion	−58.2%	−139.3%	−78.3%	−84.7%
Growth (year on year)
Revenue growth	—	▲9.9%	▲148.2%	▼22.2%
Profit growth	—	▲48.5%	▲222.2%	▼27.7%
Headcount growth	—	▲11.9%	▲10.6%	▼17.3%
Balance sheet — indirect signals, not revenue
Cash at bank	£1m	£9.5k	£34.3k	£1k
Net assets	£4.3m	£6.3m	£12.8m	£15.5m
Current assets	£7.4m	£11.6m	£21.5m	£27.9m
Debtors	£153k	£1.7m	£3.5m	£6.3m
Deferred income	£723k	£2.8m	£4.7m	£5.9m
Cash from operations	−£739k	−£2.3m	−£4.5m	−£3.6m
Source	FullAccounts · bulk data Sep 2024	FullAccounts · bulk data Sep 2024	FullAccounts · bulk data Aug 2025	FullAccounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: 11.8%; Profit ÷ revenue.
Gross margin: 16.6%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £921k; Revenue ÷ average employees.
Profit per employee: £109k; Profit ÷ average employees.
Cash conversion: −84.7%; 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: 14.9%; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 16%; 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: ▲21%; Now £15.5m
Cash at bank: ▼97%; Now £1k
Headcount: ▼17%; Now 43
Deferred income: ▲24%; Now £5.9m
Fixed assets: —; Now —

Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.

Corporate ownership

Group structure

Ownership chain

Kelston Sparkes Holdings Limitedultimate parent75–100%
Kelston Sparkes Contractors Limitedthis company

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

Sister companies (4)

Kelston Sparkes (Group) LimitedRev. £18.8m · Profit £853k
Kelston Sparkes Quarry Services LimitedRev. £10.5m · Profit £217k
KSG Vehicle Solutions LimitedRev. £701k · Profit £27.8k
KSG Training Services LimitedRev. £358k · Profit £13.1k

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 FullAccounts for the year to 31 Dec 2025 (profit £4.7m), 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.