Engineering and environmental consultancies to acquire in the UK

Name: Engineering and environmental consultancies to acquire in the UK
Creator: Firmbase
License: https://firmbase.co/terms

Updated 9 November 2026

Looking to acquire an engineering or environmental consultancy in the UK? Firmbase ranks 626 engineering and environmental consultancies using public company information to help buyers prioritise firms for research and potential outreach. The Approach Score ranks firms using public signals including director age and tenure, ownership, business scale, financial strength and recent changes. These firms are not listed for sale, and the ranking does not indicate that an owner is considering a sale.

The median firm has 11 staff and has been in business for 14 years; 2 firms are owned by groups that have acquired several firms in this sector.

This list brings together structural, civil and environmental consultancies, so use each firm's website to establish the work it actually undertakes. Buying an engineering consultancy involves examining the scope of its appointments, from design work to technical advice and environmental assessments commissioned by clients. For each appointment, match the agreed fees to its deliverables and project stages to understand what remains to be delivered or billed.

Put accountable engineers behind a broader project book

A consultancy is easier to integrate when technical decisions and client commitments are well documented. Firmbase covers 626 UK limited-company and LLP engineering and environmental consultancies with five or more staff. The ranking then gives you an order for checking ownership and company history. Regional proximity may matter where engineers must attend a project site and work closely with a client team.

Ownership data can guide a search for independent consultancies in a chosen region. Directors of the engineering consultancies listed have a median age of 50. Across the consultancies shown, 19% have one person holding 75% or more. The age of an engineering director does not establish whether an owner intends to discuss a transaction. Use the record to organise research, then learn about the firm through direct contact.

Before comparing firms, decide which appointments would complement your team's capacity and professional cover. Check whether named specialists can continue to supervise the technical decisions on live projects. Compare the firm's insurance and review process with the liabilities it has accepted. The Approach Score helps decide where to start, but it cannot show how a firm's engineers would work alongside yours.

This engineering ranking is a sourcing tool, not a list of businesses for sale. There is no single firm regulator covering every engineering and environmental consultancy. The Engineering Council's professional register concerns individuals, so verify any claimed registration without treating it as certification of the consultancy. Check professional indemnity, project liabilities, subcontracting and the staff responsible for signed technical work.

626

Firms

15%

Every director 55+

19%

Held 75%+ by one person

Median years in business

Median headcount

£500k to £1m

Median turnover band

includes our estimates

Key facts

The Engineering Council's professional registration applies to individuals, with candidates assessed through licensed institutions. Engineering Council

The Engineering Council sets professional registration categories for engineers and technicians. Engineering Council

The Engineering Council's RegCheck service lets you confirm whether a named engineer is registered. Engineering Council

The first 25 firms, in Approach Score order

Rank	Firm	Approach Score	The facts behind the score
1	Simon Bastone Associates Exeter	Approach Score 87/100	In post since 2002 1 individual holds 75%+ · independent More about this firm 8 staff · turnover est. £696k Net assets £201k (Mar 2026) Company no. 04540207 · Companies House sb-a.co.uk
2	OSE Consulting London, Hertfordshire	Approach Score 87/100	1 director aged 60-64, 1 aged 50-54 · longest in post since 2009 1 individual holds 75%+ · independent More about this firm 10 staff · turnover est. £726k Net assets £253k (Sep 2025) Director resigned Jul 2025 Company no. 06875735 · Companies House ose-consulting.co.uk
3	Horizon Power and Energy Southampton, Hampshire	Approach Score 84/100	Director aged 60-64 · in post since 2012 1 individual holds 75%+ · held via a trust or firm · independent More about this firm 12 staff · turnover est. £1.3m Net assets £1.7m (May 2026) Company no. 08054141 · Companies House horizonpowerandenergy.com
4	GEO-4D Faringdon, Oxfordshire	Approach Score 84/100	Director aged 60-64 · in post since 2013 1 individual holds 75%+ · independent More about this firm 9 staff · turnover est. £913k Net assets £543k (Mar 2026) Company no. 08433858 · Companies House geo-4d.com
5	Applied Geology Warwick, Warwickshire	Approach Score 83/100	1 director aged 60-64, 1 aged 55-59 · longest in post since 2009 2 individuals hold 75%+ · independent More about this firm 26 staff · turnover est. £1.6m Net assets £684k (Jun 2026) Company no. 06882453 · Companies House appliedgeology.co.uk
6	Structural Design Bureau Worcester Park, Surrey	Approach Score 81/100	1 director aged 65-69, 1 aged 60-64 · longest in post since 2011 2 individuals hold 50%+ · independent More about this firm 7 staff · turnover est. £256k Net assets £134k (Mar 2026) PSC register changed Jan 2025 Company no. 07544799 · Companies House sdblimited.com
7	Rowntree Partnership Gloucester, Gloucestershire	Approach Score 81/100	Director aged 55-59 · in post since 2015 1 individual holds 75%+ · independent More about this firm 14 staff · turnover est. £803k Net assets £317k (Jun 2025) Director resigned Feb 2025 · PSC register changed Feb 2025 Company no. 09559238 · Companies House rowntree.co.uk
8	Kaya Consulting Glasgow	Approach Score 79/100	Director aged 55-59 · in post since 2008 1 individual holds 75%+ · independent More about this firm 20 staff · turnover est. £993k Net assets £883k (Mar 2026) Company no. SC283178 · Companies House kayaconsulting.co.uk
9	RMA Environmental Taunton, Somerset	Approach Score 79/100	2 directors aged 55-59 · longest in post since 2009 1 individual holds 75%+ · independent More about this firm 8 staff · turnover est. £326k Net assets £142k (May 2026) Company no. 06915388 · Companies House rma-environmental.co.uk
10	Neville Fee Engineering Dromara, CO. Down	Approach Score 79/100	Longest in post since 2012 Independent More about this firm 9 staff · turnover est. £1.6m Net assets £898k (Apr 2025) PSC register changed May 2025 Company no. NI613082 · Companies House nevillefee.com
11	Gtce Hull, East Yorkshire	Approach Score 79/100	1 director aged 65-69, 1 aged 45-49, 1 aged under 45 · longest in post since 2013 1 individual holds 75%+ · independent More about this firm 9 staff · turnover est. £655k Net assets £229k (Jul 2025) Director resigned Jul 2026 Company no. 08612560 · Companies House griffintoomes.co.uk
12	Rigby & Partners Chorley, Lancashire	Approach Score 79/100	In post since 2021 1 individual holds 75%+ · independent More about this firm 7 staff · turnover est. £124k Net assets £367k (Oct 2025) Company no. 13664029 · Companies House rigbyandpartners.co.uk
13	AW Group Lichfield	Approach Score 79/100	Director aged 55-59 · in post since 2021 1 individual holds 75%+ · independent More about this firm 5 staff · turnover est. £693k Net assets £1m (Jun 2025) Company no. 13177679 · Companies House awgroupce.com
14	J D L Consultants Bristol	Approach Score 78/100	2 directors aged 60-64, 1 aged 55-59 · longest in post since 2001 2 individuals hold 50%+ · independent More about this firm 11 staff · turnover est. £567k Net assets £85k (Oct 2025) Company no. 04298278 · Companies House jdlconsultants.co.uk
15	Egniol Bangor, Gwynedd A director sits on 4 or more companies	Approach Score 77/100	1 director aged 65-69, 1 aged 55-59, 1 aged 45-49 · longest in post since 2008 2 individuals hold 50%+ · independent More about this firm 44 staff · turnover est. £3.8m Net assets £791k (Dec 2025) Director resigned Jan 2026 Company no. 06668552 · Companies House egniol.com
16	SA Consulting Uttoxeter, Staffordshire	Approach Score 77/100	Director aged 60-64 · in post since 2008 2 individuals hold 75%+ · independent More about this firm 5 staff · turnover est. £257k Net assets £177k (Mar 2025) Company no. 05649313 · Companies House saconsult.co
17	Gall Zeidler Consultants - , Croydon	Approach Score 77/100	We hold older figures than Companies House Longest in post since 2006 1 individual holds 75%+ · independent More about this firm 10 staff · turnover est. £2.1m Net assets £2m · newer accounts made up to Oct 2025 Company no. 05957251 · Companies House gzconsultants.com
18	ADS Consultancy London	Approach Score 77/100	We hold older figures than Companies House Director aged 65-69 · in post since 2000 1 individual holds 75%+ · independent More about this firm 7 staff · turnover est. £306k Net assets £200k · newer accounts made up to Mar 2025 Company no. 03914506 · Companies House adsconsultancy.com
19	Faraj Consulting Plymouth, Devon	Approach Score 77/100	We hold older figures than Companies House In post since 1998 1 individual holds 75%+ · independent More about this firm 6 staff · turnover est. £411k Net assets £127k (Jul 2021) · newer accounts made up to Jul 2025 Company no. 03588984 · Companies House faraj-consulting.co.uk
20	ZLX Technology Glasgow, Lanarkshire A director sits on 4 or more companies	Approach Score 77/100	We hold older figures than Companies House Director aged 65-69 · in post since 2019 1 individual holds 75%+ · independent More about this firm 18 staff · turnover £2.3m Net assets £216k (Mar 2022) · newer accounts made up to Mar 2025 Director resigned Mar 2025 Company no. SC623040 · Companies House zlx.co.uk
21	ARP Geotechnical Servia Hill Leeds, West Yorkshire	Approach Score 77/100	1 director aged 60-64, 1 aged 55-59, 1 aged under 45 · longest in post since 1999 1 individual holds 75%+ · independent More about this firm 26 staff · turnover est. £1.6m Net assets £630k (Dec 2024) Company no. 03771811 · Companies House arpgeotechnical.co.uk
22	Hewson Consulting Guildford	Approach Score 77/100	Longest in post since 2005 Independent More about this firm 27 staff · turnover est. £2.9m Net assets £1.9m (Mar 2026) Company no. 05383430 · Companies House hewson-consulting.com
23	Beam Consulting Engineers Wakefield, West Yorkshire	Approach Score 76/100	1 director aged 65-69, 1 aged 50-54 · longest in post since 2010 2 individuals hold 75%+ · independent More about this firm 8 staff · turnover est. £477k Net assets £55k (Sep 2025) Charge satisfied Sep 2026 Company no. 07269218 · Companies House beamconsulting.co.uk
24	AMA Consult Shoreham-by-SEA, West Sussex	Approach Score 76/100	Longest in post since 2010 2 individuals hold 50%+ · independent More about this firm 7 staff · turnover est. £798k Net assets £318k (Sep 2026) Company no. 05496284 · Companies House amaconsult.co.uk
25	Structural Engineers Cambridge Cambridge	Approach Score 76/100	1 director aged 65-69, 1 aged 60-64 · longest in post since 2014 2 individuals hold 50%+ · independent More about this firm 5 staff · turnover est. £236k Net assets £54k (Mar 2026) Company no. 09172549 · Companies House structuralengineerscambridge.co.uk

601 more firms are in the list, in Approach Score order.

You're seeing the first 25. Buy all 626 for £799 + VAT, with the facts behind each score, director names, shareholders and financials.

Buy the list of all 626 firms, with director names, ages and shareholders

Each row comes with the facts behind its score, financials with dates and contact details.

What's in the file

One row per firm, in Approach Score order, as Excel + CSV.

The score and the firm

Approach Score

The facts behind the score

Points for each part of the score

Financials with dates

Website

Publicly available contact details, where identified

Directors and shareholders

Director names

Director birth month and year

Director appointment dates

Named shareholders with more than 25%, with ownership bands

Some people with significant control appear as Other individual, with no further detail. Director email lookups are not included.

Frequently asked questions

How do I approach an engineering consultancy owner?

Identify yourself in your first communication and give a concrete account of the technical services your group supports. Explain that their details came from the public Companies House register through Firmbase. Provide a route to object to your use of the data, and stop if they object. Before calling, check the Telephone Preference Service and the Corporate Telephone Preference Service. Do not suggest that client projects will move automatically.

What professional registration should I verify?

Engineering Council registration covers individual engineers, and its RegCheck service confirms a claimed title. Verify the status of people whose titles and competence matter to the services offered. Do not present an individual's registration as certification of the whole consultancy. Review its appointments, insurance and technical supervision separately, especially where a project relies on a named specialist.

Engineering Council

Can the engineering Approach Score assess a project portfolio?

The Approach Score draws on public company records, and its method appears on the methodology page. It can give you an order for researching firms, but a project portfolio requires a different review. Read the scope of appointments, deliverables and insurance against the skills of the staff who would remain. Those operational findings, rather than the ranking alone, should guide a decision to make contact.

How should project handover be planned?

List active commissions with their deliverables, responsible engineers, deadlines and client consent terms. Work out which drawings, models and reports have already been issued, and who can sign future revisions. Speak with the existing team about capacity and continuity before promising clients a handover. The plan should reflect each appointment rather than assuming all projects transfer alike.

How this list is filtered

Active on Companies House. Companies in liquidation, administration, receivership or a voluntary arrangement, or with a proposal to strike off, are left out.
Dormant companies are left out.
Firms whose owners asked to be removed are left out.
Private limited companies, public limited companies, LLPs and private unlimited companies only. Sole traders and partnerships are not covered.
Firmbase industry tag: Structural Engineering or Environmental Consulting.
SIC code 71121, 71122, 71129 or 74901.
5 or more staff, from filed headcount or our estimate where none is filed.
Registered office in the UK.

How this list is built

The Approach Score ranks firms mainly on public Companies House information about owner tenure and age, ownership, size, financial strength and recent register changes.

Firms with higher scores appear first in each list.

Use the ranking to order research, then check each business directly.

Read how the Approach Score works

What it does not mean

No firm here is for sale, and the score says nothing about any owner's plans.

At least 95% of the firms where we hold directors had them checked in or after November 2026.

What we do not cover

We cover limited companies, LLPs and private unlimited companies. Sole traders and ordinary partnerships are not on Companies House, so they are not here. Regulatory information is not included in this list. Buyers should check the relevant register as part of their due diligence. There is no single regulator for these consultancies. Check claimed individual Engineering Council registration through RegCheck; professional registration does not certify the consultancy itself.

Why age bands but no people's names

Age bands come from the month and year of birth on Companies House. This page shows no exact ages and no people's names. Both come with the purchased list. The band edges from 45 to 65 are the ages where the score changes. A row shows no age bands when a director's surname is in the firm's name, its group's name or its website. Those directors' ages still count towards the score.

Is this your firm?

You can ask us to take it off every acquisition page, and out of every list we sell after that. Give us your name and work email, and we send you a link to confirm. If your email address is on the firm's own website domain, the firm comes off once you confirm. If it is not, a person reviews your request first. A list already sold stays with its buyer.

To have personal data erased, see our privacy policy.

Other areas

East Midlands East of England London North East North West Northern Ireland Scotland South East South West Wales West Midlands Yorkshire and The Humber

The standard Firmbase list

Structural Engineering Companies in the UK