# Chartered Institute of Architectural Technologists

The professional body for architectural technologists in the UK, specialists in the technical side of building design. Chartered members (MCIAT) are assessed for competence and follow a code of conduct.

- Type: Trade association
- Traders with a CIAT entry in the public data we track: 1,553
- Data collected up to: 11 Jul 2026
- Official register: https://architecturaltechnology.com/online-directories/check-a-member.html
- Page: https://mytrustedtraders.com/certifications/ciat

Counts reflect collected public entries, not official membership totals. Absence from this data does not mean a trader is unregistered.

## Where holders are

- London: 10
- Manchester: 4
- Hayling Island: 2
- Hinckley: 2
- Dartford: 2
- Chippenham: 2
- Cardiff: 2
- Birmingham: 2
- Leeds: 2

## Trades that hold it

- Architect: 1,470
- Builder: 26
- Painter / decorator: 14
- Roofer: 9
- Heating engineer: 8
- Carpenter / joiner: 2
- Damp proofing / waterproofing: 2
- Bathroom fitter: 2

## CIAT holders with review evidence

A slice of holders that also have customer reviews on MyTrustedTraders. This is not the register itself.

- **Rowlen Boiler Services Ltd**: hvac · Sutton · 461 reviews. https://mytrustedtraders.com/traders/rowlen-boiler-services-ltd-3
- **Envirowarm Services Ltd**: hvac · Hull · 250 reviews. https://mytrustedtraders.com/traders/envirowarm-services-limited
- **James Brown Refurbishment Ltd**: builder · Sutton · 206 reviews. https://mytrustedtraders.com/traders/james-brown-refurbishments-limited-2
- **A&A Roofing Ltd**: roofer · Malton, York · 191 reviews. https://mytrustedtraders.com/traders/a-a-roofing
- **CDW Building Services Ltd**: builder · Hayling Island, Portsmouth · 163 reviews. https://mytrustedtraders.com/traders/c-d-w-building-services-limited
- **S A Decorators**: decorator · Bromley · 161 reviews. https://mytrustedtraders.com/traders/s-a-decorators
- **S Thompson Ltd**: roofer · Grange over Sands, Lancaster · 140 reviews. https://mytrustedtraders.com/traders/s-thompson-limited
- **JP Building Services**: roofer · London · 134 reviews. https://mytrustedtraders.com/traders/jp-building-services-4
- **Lake and Brown Roofing Ltd**: roofer · Godalming, Guildford · 125 reviews. https://mytrustedtraders.com/traders/lake-and-brown-roofing-limited
- **Crown Air Conditioning Ltd**: hvac · Banstead, Sutton · 123 reviews. https://mytrustedtraders.com/traders/crown-air-conditioning-limited
- **Rowlands Castle Roofing Ltd**: roofer · Rowlands Castle, Portsmouth · 122 reviews. https://mytrustedtraders.com/traders/rowlands-castle-roofing-limited
- **DK Designs FPT Ltd**: architect · Sheffield · 118 reviews. https://mytrustedtraders.com/traders/dk-designs-fpt-ltd

## Common questions

### What is Chartered Institute of Architectural Technologists?

The professional body for architectural technologists in the UK, specialists in the technical side of building design. Chartered members (MCIAT) are assessed for competence and follow a code of conduct. (Trade association.)

### How many traders hold Chartered Institute of Architectural Technologists?

We track 1,553 traders with a Chartered Institute of Architectural Technologists entry, based on register and listing data collected up to 11 Jul 2026. This reflects the public entries we have collected, not necessarily the scheme's complete membership.

### How do I check whether a specific trader holds Chartered Institute of Architectural Technologists?

Check the official register at https://architecturaltechnology.com/online-directories/check-a-member.html, or look the trader up on MyTrustedTraders. Profiles show the credentials we have found for them, alongside reviews and other public evidence.