How much does Tetra Tech RPS Energy Consultants Limited make?

Tetra Tech RPS Energy Consultants Limited reported revenue of £13.8m and £289k profit in the year to 28 Sep 2025, according to its accounts filed at Companies House.

Is Tetra Tech RPS Energy Consultants Limited profitable?

Yes — Tetra Tech RPS Energy Consultants Limited reported a profit of £289k in the year to 28 Sep 2025.

Company No. 03287074 · Incorporated 3 Dec 1996

Tetra Tech RPS Energy Consultants Limited

Registered name: TETRA TECH RPS ENERGY CONSULTANTS LIMITED

Part of Tetra Tech, Inc. group

Tetra Tech RPS Energy Consultants Limited made £13.8m revenue and £289k profit in the year to 28 Sep 2025.

Tetra Tech RPS Energy Consultants Limited’s revenue fell 27% to £13.8m in the year to 28 Sep 2025, with £289k profit. The company is classified under “other business support service activities” and is based in Abingdon; we hold 4 years of its filed accounts.

Full P&L filedSection N · Administrative and support servicesSIC 82990Other business support service activities n.e.c.

Status: Active
Location: Abingdon, South East
Age: 29 yrs · since 1996
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 28 Sep 2025

Key figures

Revenue

£13.8m

Growth ▼26.5%

Profit

£289k

Growth ▲200.3%

Profit margin

2.1%

Gross 33.5%

Employees

—

Change —

Profit / employee

—

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	29 Sep 2023	28 Sep 2024	29 Sep 2024	28 Sep 2025
Disclosure	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£17.5m	£18.8m	£18.8m	£13.8m
Cost of sales	−£12.2m	−£12.8m	−£12.8m	−£9.2m
Gross profit	£5.3m	£6m	£6m	£4.6m
Operating profit	£143k	£128k	£128k	£385k
Profit before tax	£143k	£128k	£128k	£385k
Profit after tax	£110k	£96.1k	£96.1k	£289k
Profit (best available)	£110k	£96.1k	£96.1k	£289k
Employees (average)	—	—	—	—
Ratios
Profit margin	0.6%	0.5%	0.5%	2.1%
Gross margin	30.3%	32.1%	32.1%	33.5%
Growth (year on year)
Revenue growth	—	—	—	▼26.5%
Profit growth	—	—	—	▲200.3%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—	—
Source	Accounts · bulk data May 2025	Accounts · bulk data Apr 2026	Accounts · bulk data May 2025	Accounts · bulk data Apr 2026

Derived from the latest filing

How the business works

Profit margin: 2.1%; Profit ÷ revenue.
Gross margin: 33.5%; 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

Tetra Tech, Inc. (registered outside the UK register)ultimate parent75–100%
Tetra Tech UK Holdings Limited75–100%
R P S Group Limited75–100%
Tetra Tech RPS Energy Consultants Limitedthis company

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

Sister companies (4)

Ecl Group LimitedFigures not disclosed
Tetra Tech Consulting LimitedFigures not disclosed
Tetra Tech Environmental Management LimitedFigures not disclosed
Tetra Tech RPS Energy 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 28 Sep 2025 (profit £289k), from the Companies House accounts bulk data published Apr 2026. Spotted an error? Request a correction.

Updated from Companies House on 14 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.