---
title: "Bailey vs Promax: Which is more popular in New Zealand?"
description: "Is Bailey or Promax more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Water tank brands set in New Zealand. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/nz/compare/bailey-vs-promax"
publisher: "Brandwave"
---

# Bailey vs Promax: Which is more popular in New Zealand?

Is Bailey or Promax more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Water tank brands set in New Zealand. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Compared**: Bailey and Promax
- **Competitive set**: Water tank brands
- **Market**: New Zealand
- **Month measured**: Oct 2026
- **Bailey Share of Search**: 14.3%
- **Promax Share of Search**: 30.7%

## Is Bailey or Promax more popular in search?

- In October 2026, Promax had more branded searches than Bailey among water tank brands in New Zealand. Promax had about 2,910 branded searches, while Bailey had 1,350. Promax made up 30.7% of all water tank brand searches we track, and Bailey accounted for 14.3%.
- Promax was ahead of Bailey in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Bailey’s share of searches among water tank brands in New Zealand moved from 13.6% to 14.3%, and its estimated monthly branded searches moved from 1.2K to 1.4K.
- Across the 12 months ending October 2026, Promax’s share of searches among water tank brands in New Zealand moved from 27.3% to 30.7%, and its estimated monthly branded searches moved from 2.4K to 2.9K.

## Top water tank brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, both Bailey and Promax showed up in all five answers. Promax was listed before Bailey in three of them.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- | --- |
| Promax | 1st | 3 of 3 | 2 of 2 | 5 of 5 |
| Devan Tanks | 2nd | 3 of 3 | 0 of 2 | 3 of 5 |
| Bailey | 2nd | 3 of 3 | 2 of 2 | 5 of 5 |
| Devon | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |
| Thin Tanks | Not ranked | 0 of 3 | 1 of 2 | 1 of 5 |
| Tankworks | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |
| Rhino Water Tanks | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about water tank brands

- Asked ChatGPT "Which water tank brand should I buy in New Zealand?": 1. Devan Tanks, 2. Promax, 3. Bailey
- Asked ChatGPT "What are the best water tank brands in New Zealand?": 1. Promax, 2. Bailey, 3. Devan Tanks
- Asked ChatGPT "What's the best water tank brand in New Zealand for rainwater storage?": 1. Devan Tanks, 2. Promax, 3. Bailey
- Searched Google, AI Overview "water tanks nz": 1. Bailey, 2. Promax
- Searched Google, AI Overview "rainwater tank nz": 1. Promax, 2. Bailey, 3. Thin Tanks

Not named in any answer: Devon, Tankworks and Rhino Water Tanks.

Brands are listed in the order each answer named them. The answers were collected in New Zealand on October 21, 2026.

## How did search popularity change for New Zealand water tank brands in October 2026?

- In October 2026, Promax lost share of searches among water tank brands in New Zealand, from 33% to 30.7%.
- Bailey’s share of searches among water tank brands in New Zealand has gained ground for 3 months in a row, from 12.7% to 14.3% in October 2026.

## How has branded search for Bailey and Promax changed in New Zealand over the last 12 months?

| Month | Bailey estimated searches | Bailey Share of Search | Bailey rank | Promax estimated searches | Promax Share of Search | Promax rank |
| --- | --- | --- | --- | --- | --- | --- |
| Nov 2025 | 1.2K | 13.6% | 4 | 2.4K | 27.3% | 3 |
| Dec 2025 | 900 | 14.9% | 4 | 1.7K | 27.6% | 2 |
| Jan 2026 | 1.1K | 15.7% | 4 | 2.1K | 28.1% | 1 |
| Feb 2026 | 1.1K | 15.4% | 4 | 2.2K | 29.2% | 1 |
| Mar 2026 | 1.3K | 14.7% | 4 | 2.5K | 27.4% | 2 |
| Apr 2026 | 1.1K | 15% | 4 | 2.3K | 30% | 1 |
| May 2026 | 940 | 12.9% | 4 | 2.1K | 29.3% | 1 |
| Jun 2026 | 1.1K | 12.6% | 4 | 2.5K | 28.7% | 2 |
| Jul 2026 | 940 | 12.7% | 4 | 2.4K | 31.9% | 1 |
| Aug 2026 | 1.2K | 13.1% | 4 | 2.9K | 31% | 1 |
| Sep 2026 | 1.4K | 14% | 4 | 3.2K | 33% | 1 |
| Oct 2026 | 1.4K | 14.3% | 4 | 2.9K | 30.7% | 1 |

## How are Bailey’s and Promax’s branded searches counted?

Brandwave collects information about searches that people make online using Bailey’s and Promax’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

- **Bailey**: Measured on the search terms “bailey tanks”, “bailey tanks limited” and “bailey water tanks”, summed into one figure.
- **Promax**: Measured on the search terms “promax”, “promax diesel tanks”, “promax septic tanks”, “promax slimline tanks”, “promax tanks”, “promax underground tank” and “promax water tanks”, summed into one figure.

- [Bailey profile](/demand/nz/brands/bailey)
- [Promax profile](/demand/nz/brands/promax)
- [All water tank brands in New Zealand](/demand/nz/categories/nz-water-tank-brands): The set both shares are measured inside, 7 brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Is Bailey or Promax more popular in search?

In October 2026, Promax had more branded searches than Bailey among water tank brands in New Zealand. Promax had about 2,910 branded searches, while Bailey had 1,350. Promax made up 30.7% of all water tank brand searches we track, and Bailey accounted for 14.3%.

## Cite this page

Brandwave. "Bailey vs Promax: Which is more popular in New Zealand?". https://gobrandwave.com/demand/nz/compare/bailey-vs-promax

This page is also available as HTML at https://gobrandwave.com/demand/nz/compare/bailey-vs-promax. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
