How much does J & S Seddon (Building) Limited make?

J & S Seddon (Building) Limited reported revenue of £1.2m and £293k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

Is J & S Seddon (Building) Limited profitable?

Yes — J & S Seddon (Building) Limited reported a profit of £293k in the year to 31 Dec 2025.

Company No. 02384505 · Incorporated 16 May 1989

J & S Seddon (Building) Limited

Registered name: J & S SEDDON (BUILDING) LIMITED

Part of Seddon Group Limited group

J & S Seddon (Building) Limited made £1.2m revenue and £293k profit in the year to 31 Dec 2025.

J & S Seddon (Building) Limited’s revenue grew 162% to £1.2m in the year to 31 Dec 2025, with £293k profit. The company is classified under “development of building projects” and is based in Bolton; we hold 3 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 41100Development of building projects

Status: Active
Location: Bolton, North West
Age: 37 yrs · since 1989
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

Revenue

£1.2m

Growth ▲162.4%

Profit

£293k

Growth —

Profit margin

25.2%

Gross 40.3%

Employees

—

Change —

Profit / employee

—

Profitable streak

1yr

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 to	31 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£491k	£442k	£1.2m
Cost of sales	−£763k	−£851k	−£693k
Gross profit	−£272k	−£408k	£468k
Operating profit	−£305k	−£438k	£390k
Profit before tax	−£305k	−£438k	£390k
Profit after tax	−£233k	−£328k	£293k
Profit (best available)	−£233k	−£328k	£293k
Employees (average)	—	—	—
Ratios
Profit margin	−47.5%	−74.2%	25.2%
Gross margin	−55.4%	−92.3%	40.3%
Growth (year on year)
Revenue growth	—	▼9.9%	▲162.4%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—
Source	Accounts · bulk data Sep 2025	Accounts · bulk data Sep 2025	Accounts · bulk data Jul 2026

Derived from the latest filing

How the business works

Profit margin: 25.2%; Profit ÷ revenue.
Gross margin: 40.3%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: —; Revenue ÷ average employees.
Profit per employee: —; 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 —
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

Seddon Group Limitedultimate parent75–100%
Seddon Construction Limited75–100%
J & S Seddon (Building) Limitedthis company

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

Sister companies (5)

Seddon Property Services LimitedRev. £61.7m · Profit £1.5m
Seddon Painting & Maintenance LimitedRev. £4.9m · Profit £285k
Seddon Engineering Services LtdRev. £4.2m · Profit −£351k
G.& J.seddon LimitedRev. £125k · Profit −£179k
Seddon Housing Partnerships 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 Dec 2025 (profit £293k), from the Companies House accounts bulk data published Jul 2026. Spotted an error? Request a correction.

Updated from Companies House on 12 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.