# Drainage contractors in New Zealand 1 drainage contractor in New Zealand, ranked by the strength of independent public evidence. Trust Score is used when available, drawing on reviews, credential evidence and registry data from named public sources, cross-checked wherever more than one source covers a business. No ads, no paid placement. Grouped by main trade first, then businesses that also offer this trade, with possibly closed businesses last. Highest Trust Score first within each group. The only drainage contractor with public evidence is listed below. | Tradesperson | Location | Trust Score | Rating | Reviews | Named sources | Listed under | | --- | --- | --- | --- | --- | --- | --- | | [Bob Morgan Drainage](https://nz.mytrustedtraders.com/traders/mtt264330-bob-morgan-lower-hutt-drainage) | Lower Hutt | Not shown | 5.0/5 | 4 | NoCowboys | Also offer this trade | Each tradesperson's full public evidence is at its profile URL (append `/md` for a Markdown version). Narrow by area at `https://nz.mytrustedtraders.com/find/drainage-contractor/`. --- Source: MyTrustedTraders. https://nz.mytrustedtraders.com/find/drainage-contractor Real public evidence only: every figure traces to a named source, and figures are cross-checked wherever more than one independent source covers the same business. If a source does not carry a field, it is not shown.