How do I choose a trustworthy quantity surveyor?

Compare the public evidence on each profile — how many independent reviews they have and across how many named platforms, the rating and how recent it is, any verified credentials, and the company record. A quantity surveyor backed by several named sources is harder to fake than one with a single listing.

Does MyTrustedTraders rank or recommend quantity surveyors for payment?

No. There are no ads and no paid placement. Quantity surveyors are ranked only by the strength of independent public evidence — no one can pay to rank higher, add a badge, or change their reviews.

Where do the reviews come from?

They're imported from named public review platforms and always shown with the source named — they aren't reviews written on MyTrustedTraders. We cross-check the same business across sources rather than creating new reviews.

What should I check before hiring a quantity surveyor?

Confirm credentials and insurance directly with the quantity surveyor, get a written quote, and run the Cowboy Checker on the business first. MyTrustedTraders helps you shortlist on the evidence — it doesn't replace your own checks before you hire.

Quantity surveyors in the United Kingdom

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Find quantity surveyors across the United Kingdom, each compared on their portfolio, verified credentials, past work and reviews — the evidence that matters before a project you'll live with. Add your area below to compare their work near you.

Find quantity surveyors in the United Kingdom

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What to check when hiring quantity surveyors in the United Kingdom

MyTrustedTraders ranks on independent public evidence — no ads, no paid placement. Use these checks alongside the evidence on each profile before you decide who to contact.

Ask to see a portfolio of completed work like yours, plus recent references you can contact.
Check the credentials and registrations that matter for this work — and that they are current.
Get a written, itemised quote with scope, assumptions and a staged payment schedule.
Compare at least three quantity surveyors on the depth of their evidence, not just price.

Which credentials should a quantity surveyor have? See the guide →

How to judge a quantity surveyor

Independent, no-ads guidance — the trade-specific checks that matter most, the warning signs, and what to ask before you hire. Use it alongside each trader’s public evidence above.

Verify before you hire

Check they hold MRICS or FRICS status — verify free on rics.org/find-a-member; anyone can call themselves a QS without it.
Check their firm is RICS-regulated at ricsfirms.com — a regulated firm must have a complaints procedure, dispute resolution access, and client money protection.
Confirm they carry professional indemnity insurance before signing anything; RICS-regulated firms must hold it, unregulated ones may not.
Ask whether they specialise in residential work — loft conversions and extensions need different expertise than commercial projects.

Warning signs of a cowboy

They can't show MRICS or FRICS membership — the title 'quantity surveyor' is unprotected in UK law, so anyone can use it.
They have commercial ties to a contractor or builder, which means they're not truly on your side when scrutinising valuations.
No professional indemnity insurance — if their cost plan is wrong and you lose money, you have no route to claim it back.
Estimates that seem unusually low and vague with no written breakdown — a cheap guess is as damaging as no plan at all.

Questions to ask before you hire

Are you MRICS or FRICS chartered, and can I verify your membership on the RICS website?
Is your firm RICS-regulated, and do you hold professional indemnity insurance with run-off cover?
Have you handled projects similar to mine — same type, size, and build complexity?
If my self-build lender needs a stage-payment valuation, will your report satisfy their requirements?

Frequently asked questions

How do I choose a trustworthy quantity surveyor?: Compare the public evidence on each profile — how many independent reviews they have and across how many named platforms, the rating and how recent it is, any verified credentials, and the company record. A quantity surveyor backed by several named sources is harder to fake than one with a single listing.
Does MyTrustedTraders rank or recommend quantity surveyors for payment?: No. There are no ads and no paid placement. Quantity surveyors are ranked only by the strength of independent public evidence — no one can pay to rank higher, add a badge, or change their reviews.
Where do the reviews come from?: They're imported from named public review platforms and always shown with the source named — they aren't reviews written on MyTrustedTraders. We cross-check the same business across sources rather than creating new reviews.
What should I check before hiring a quantity surveyor?: Confirm credentials and insurance directly with the quantity surveyor, get a written quote, and run the Cowboy Checker on the business first. MyTrustedTraders helps you shortlist on the evidence — it doesn't replace your own checks before you hire.

More ways to check who to trust

Free, independent checks — no ads, no paid placement.

Trade Credential Guide
Which official register to check for each trade — and how to verify it.
Cowboy Checker
Spot the warning signs of a rogue trader before you hire.
Council Experience
Which architects and agents know your local council.
Planning Approval Rate
How often a firm's planning applications get approved.
Planning Finder
Planning applications and the architects behind them, by postcode.

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