# K O Marko Building Contractors

K O Marko Building Contractors is a tradesperson in London. Rated 4.9/5 from 3 public reviews across 1 review source. This is the MyTrustedTraders public-evidence profile — independent reviews, credentials and registry data from named public sources, with no ads and no paid placement.

Trust score: 46/100

## About
In London.

## Public review evidence (by source)
| Source | Average rating | Reviews |
| --- | --- | --- |
| Checkatrade | 4.9/5 | 3 |

_Per-source review counts may overlap — they need not sum to the 3 cross-checked total above._

Most recent review: 6 years ago.

## In customers' own words
_Verbatim quotes from this trader's public reviews, each attributed to its source:_
> "Everything went as planned with no hiccups. Finished the work before christmas as promised. Had a small problem with new bifold door and they sorted it out same day. Anestis and his team have were all excellent."
> — Anonymous (5.0, via Checkatrade)

> "Excellent service consistently throughout the entire month. Immaculate finish to the house, contractor and company went above and beyond to ensure all areas of the house was finished to its utmost quality. Even small details were taken care of. We were informed about all relevant details, and updated whenever something was completed. There were no delays. Work was fast, reliable and perfect."
> — Anonymous (5.0, via Checkatrade)

> "The team at KO Marko building were great from start to finish. No job was too much trouble, even if this was additional to what was agreed originally. We had a new kitchen fitted, new bathroom, installation of a downstairs toilet and removal of an internal wall. KO Marko building contractors completed all the work very quickly and to a high standard. Very pleased with the final outcome! They transformed a dated house to a modern and bright home!"
> — Anonymous (4.7, via Checkatrade)

## Independent verification
_What MyTrustedTraders independently checked for this business (verified items only):_
- Review volume: MTT is showing 3 public reviews on this profile. (via MyTrustedTraders public listing)
- Public listing spread: MTT is showing 1 public listing for this trader. (via MyTrustedTraders public listing)
- Business identity: MTT is showing public business identity data with operating status unknown. (via MyTrustedTraders public listing)

Full verification checklist: https://mytrustedtraders.com/traders/k-o-marko-building-contractors/checks

## Credentials & sources
- Credentials shown: 0
- Companies House status: unknown
- Evidence held from: Checkatrade
- Public evidence last checked May 2026

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Source: MyTrustedTraders — https://mytrustedtraders.com/traders/k-o-marko-building-contractors
Real public evidence only: every figure traces to a named source and is cross-checked. If a source does not carry a field, it is not shown.