JMB Design & Build
Based on rating, review volume, independent sources and verification. Evidence context — not a guarantee of workmanship.
What we can verify about JMB Design & Build
Each card summarises one evidence dimension from public sources — open it for the full detail and named source. This is evidence context, not a guarantee.
See the full verification checklist for JMB Design & Build →About
JMB Design & Build is a full service building construction company dedicated to building and improving residential and commercial structures according to client needs and desires. Owned and managed by James Boulton, himself and his team have over 25 years of experience in the industry with qualifications in carpentry, plastering and bricklaying. Based in Hertfordshire, the team at JMB is ready to give your space whatever updates it requires. Our skilled team of builders adopt a thorough approach to ensure every renovation project we undertake is delivered on time, budget and to the highest standard. Whether you want to update a tired looking property or just want to modernise a single room (Kitchen or Bathroom) we can provide you with a huge range of renovation solutions to revive your home. Just give us a call or enquire online today and we’ll get back to you as soon as we can with a quote.
What customers say
Named registry and membership evidence
Official or controlled checks carry the strongest weight here. Listed, missing, and ambiguous evidence stays visibly weaker than a verified pass.
Trust checks and red flags
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Review sources
Official sources
What's strong, and what to check yourself
Public evidence last checked May 2026
Common questions about JMB Design & Build
What do customers say about JMB Design & Build?
JMB Design & Build has 34 public reviews, averaging 5 out of 5, gathered across 2 independent sources. You can read the individual reviews and where each came from in the reviews section above.
How do I know JMB Design & Build's reviews are genuine?
JMB Design & Build's 34 public reviews are gathered and cross-checked across 2 independent public sources. Reviews spread across several named sources are harder to fake than a single polished page. MyTrustedTraders brings this public evidence together with no ads and no paid placement: we show where every review came from rather than selling rankings, so you can weigh the evidence for yourself.
Is JMB Design & Build qualified and accredited?
We hold 1 independently sourced credential for JMB Design & Build, including Waste carrier (Environment Agency). Each is attributed to the body that issued it in the credentials section.

