Questionable business practices

Requested Ark Waterproofing to come and quote on addressing a long term rising damp issue.

My plumber ruled out any issues with potential leaks on his side, and multiple other service providers concluded the issue was rising damp.

After the assessment, they concluded there was damp in the bathroom, laundry and garage, but refused to complete the work without me paying R6700 for them to “rule out a plumbing leak”.

A clear attempt to extract money from me for unnecessary work, and calls the integrity of their operations into question.

When I raised my concern, the made a scene about me questioning their “honesty”, they said I should rather get a different company to do the work.

Not impressed.