Brandwave

Colliers Valuation vs Opteon:Which is more popular?

In September 2026, Opteon had more branded searches than Colliers Valuation among property valuation services in New Zealand. Opteon had about 390 branded searches, while Colliers Valuation had 40. Opteon made up 0.26% of all property valuation service searches we track, and Colliers Valuation accounted for 0.03%. When we asked ChatGPT and Google AI Overviews about property valuation services, Opteon appeared in two of the five answers and Colliers Valuation in one. Opteon was mentioned before Colliers Valuation in every answer that named either.

Among property valuation services in New Zealand in September 2026

Who do people search for more?

Opteon, about 10 searches for every 1 for Colliers Valuation

Opteon 390 searchesColliers Valuation 40 searches

Who does AI mention more?

Opteon, mentioned in 2 of 5 answers, Colliers Valuation in 1

Opteon in 2 of 5Colliers Valuation in 1 of 5

Who does AI recommend more?

Opteon, named ahead of Colliers Valuation in 2 of 2 answers

Opteon first in 2Colliers Valuation never first

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Top property valuation services in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Opteon was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Colliers Valuation was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Opteon was listed before Colliers Valuation in every answer that named either.

Most recommended by AI

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

  1. QV1st
  2. Homes.co.nz2nd
  3. Opteon3rd
  4. Colliers Valuation4th
  5. Valocity–
  6. CoreLogic–

Mentioned by AI

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

  • QV5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Homes.co.nz3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Opteon2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Colliers Valuation1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Valocity0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • CoreLogic0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about property valuation services

5 answers

  • Asked ChatGPT

    “Which property valuation service should I use in New Zealand?”

    1. 1QV
    2. 2Opteon

  • Asked ChatGPT

    “What are the best property valuation services in New Zealand?”

    1. 1QV
    2. 2Opteon
    3. 3Colliers Valuation

  • Asked ChatGPT

    “What's the best property valuation service in New Zealand for a home estimate?”

    1. 1QV
    2. 2Homes.co.nz

  • Searched Google, AI Overview

    “property valuation nz”

    1. 1QV
    2. 2Homes.co.nz

  • Searched Google, AI Overview

    “house valuation nz”

    1. 1QV
    2. 2Homes.co.nz

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 Colliers Valuation or Opteon more popular in search?

This chart shows how often people search Google for Colliers Valuation and Opteon by name. Each line represents a brand's share of searches for all six property valuation services we track, month by month, from searches in New Zealand.

Colliers Valuation and Opteon among property valuation services in New Zealand, by month

Share of searches by month for Opteon, Colliers Valuation. The figures are in the table below the chart.

View monthly share of searches table
MonthHomes.co.nzQVValocityCoreLogicOpteonColliers Valuation
Oct 202581.3%14.2%2.4%1.8%0.26%0.03%
Nov 202581.4%14.2%2.4%1.7%0.26%0.03%
Dec 202583.6%12.3%2.4%1.5%0.27%0.01%
Jan 202687%9.3%1.8%1.6%0.28%0.02%
Feb 202686.5%9.2%2.1%1.9%0.28%0.03%
Mar 202686.1%9.2%2.6%1.9%0.28%0.03%
Apr 202686.2%9.6%2.3%1.7%0.2%0.03%
May 202684.7%11%2.5%1.5%0.22%0.02%
Jun 202682.2%13.3%2.7%1.6%0.24%0.02%
Jul 202683.4%12.2%2.4%1.8%0.27%0.01%
Aug 202682.4%13.3%2.6%1.3%0.29%0.02%
Sep 202681%14.5%2.8%1.4%0.26%0.03%

How has the Colliers Valuation and Opteon comparison changed over the last 12 months?

3 findings

How did search popularity change for New Zealand property valuation services in September 2026?

2 changes

  1. Estimated monthly branded searches for Colliers Valuation in New Zealand fell 20% over 12 measured months, from 50 to 40 in September 2026.

  2. Estimated monthly branded searches for Opteon in New Zealand fell 18.8% over 12 measured months, from 480 to 390 in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Colliers Valuation’s and Opteon’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.

Colliers Valuation

1 branded search term

  • colliers valuation

Opteon

1 branded search term

  • opteon

How the Brand Demand Index is measured

Other head-to-heads among property valuation services

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