How much does Structural Engineers Registration Limited make?

Structural Engineers Registration Limited reported revenue of £1.7m and £653k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

Is Structural Engineers Registration Limited profitable?

Yes — Structural Engineers Registration Limited reported a profit of £653k in the year to 31 Dec 2025.

Company No. 05251866 · Incorporated 6 Oct 2004

Structural Engineers Registration Limited

Registered name: STRUCTURAL ENGINEERS REGISTRATION LIMITED

Part of Institution of Structural Engineers group

Structural Engineers Registration Limited made £1.7m revenue and £653k profit in the year to 31 Dec 2025.

Structural Engineers Registration Limited’s revenue grew 13% to £1.7m in the year to 31 Dec 2025, with £653k profit. The company is classified under “other professional, scientific and technical activities” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection M · Professional, scientific and technical activitiesSIC 74909Other professional, scientific and technical activities n.e.c.

Status: Active
Location: London, London
Age: 22 yrs · since 2004
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

Operating leverage

Revenue

£1.7m

Growth ▲13.1%

Profit

£653k

Growth ▲75.1%

Profit margin

39.1%

Gross 59.4%

Employees

—

Change —

Profit / employee

—

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 to	31 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£1.5m	£1.5m	£1.7m
Cost of sales	−£683k	−£792k	−£678k
Gross profit	£780k	£683k	£991k
Operating profit	£474k	£373k	£653k
Profit before tax	£474k	£373k	£653k
Profit after tax	£474k	£373k	£653k
Profit (best available)	£474k	£373k	£653k
Employees (average)	—	—	—
Ratios
Profit margin	32.4%	25.3%	39.1%
Gross margin	53.3%	46.3%	59.4%
Growth (year on year)
Revenue growth	—	▲0.9%	▲13.1%
Profit growth	—	▼21.3%	▲75.1%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—
Source	Accounts · bulk data May 2025	Accounts · bulk data May 2025	Accounts · bulk data Aug 2026

Derived from the latest filing

How the business works

Profit margin: 39.1%; Profit ÷ revenue.
Gross margin: 59.4%; 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

Institution of Structural Engineersultimate parent75–100%
Structural Engineers Registration Limitedthis company

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

Sister companies (3)

Istructe LtdRev. £1.2m · Profit £347k
Association of Construction EngineersFigures not disclosed
Institution of Construction EngineersFigures 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 £653k), from the Companies House accounts bulk data published Aug 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.