Brandwave

Dunbar Sloane vs International Art Centre:Which is more popular?

In September 2026, Dunbar Sloane had more branded searches than International Art Centre among auction houses in New Zealand. Dunbar Sloane had about 10,500 branded searches, while International Art Centre had 1,300. Dunbar Sloane made up 10.6% of all auction house searches we track, and International Art Centre accounted for 1.3%. When we asked ChatGPT and Google AI Overviews about auction houses, Dunbar Sloane appeared in all three answers and International Art Centre in two. Dunbar Sloane was mentioned before International Art Centre in every answer.

Among auction houses in New Zealand in September 2026

Who do people search for more?

Dunbar Sloane, about 8 searches for every 1 for International Art Centre

Dunbar Sloane 10.5K searchesInternational Art Centre 1.3K searches

Who does AI mention more?

Dunbar Sloane, mentioned in every answer we collected

Dunbar Sloane in 3 of 3International Art Centre in 2 of 3

Who does AI recommend more?

Dunbar Sloane, named ahead of International Art Centre in every answer

Dunbar Sloane first in 3International Art Centre never first

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Top auction houses in ChatGPT and Google AI Overviews

In three ChatGPT questions, Dunbar Sloane appeared in all three answers. International Art Centre was mentioned in two out of three: in two of the three ChatGPT answers. Dunbar Sloane was listed before International Art Centre in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Webb's1st
  2. Cordy's2nd
  3. Dunbar Sloane3rd
  4. Art+Object4th
  5. International Art Centre5th
  6. Turners–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

See every answer about auction houses

3 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 19, 2026.

Is Dunbar Sloane or International Art Centre more popular in search?

This chart shows how often people search Google for Dunbar Sloane and International Art Centre by name. Each line represents a brand's share of searches for all six auction houses we track, month by month, from searches in New Zealand.

Dunbar Sloane and International Art Centre among auction houses in New Zealand, by month

Share of searches by month for Dunbar Sloane, International Art Centre. The figures are in the table below the chart.

View monthly share of searches table
MonthTurnersWebb'sCordy'sDunbar SloaneInternational Art CentreArt+Object
Oct 202558%18.1%9.9%11.5%1.6%0.85%
Nov 202558.9%18.4%10.1%9.9%1.9%0.81%
Dec 202562.5%19%8.5%8.6%0.92%0.45%
Jan 202670.3%14.8%8.1%5.7%0.88%0.32%
Feb 202658.1%16.7%12.1%10.5%1.6%0.85%
Mar 202659%15.5%12.6%10.5%1.6%0.72%
Apr 202658.8%17%12.3%9.9%1.6%0.34%
May 202654.2%19.1%13.9%11.1%1.5%0.28%
Jun 202656%18%14.2%9.6%1.5%0.73%
Jul 202653.7%19.1%13.8%11.5%1.5%0.47%
Aug 202654.9%19.2%14%9.9%1.5%0.5%
Sep 202658.3%16.8%12.2%10.6%1.3%0.81%

How has the Dunbar Sloane and International Art Centre comparison changed over the last 12 months?

3 findings

How did search popularity change for New Zealand auction houses in September 2026?

2 changes

  1. In September 2026, Dunbar Sloane gained share of searches among auction houses in New Zealand, from 9.9% to 10.6%.

  2. Estimated monthly branded searches for International Art Centre in New Zealand fell 18.8% over 12 measured months, from 1.6K to 1.3K in September 2026.

How are branded searches counted?

4 search terms

Brandwave collects information about searches that people make online using Dunbar Sloane’s and International Art Centre’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.

Dunbar Sloane

3 branded search terms

  • dunbar sloane
  • dunbar sloane auction
  • dunbarsloane

International Art Centre

1 branded search term

  • international art centre

How the Brand Demand Index is measured

Other head-to-heads among auction houses

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