Brandwave

Email signature marketing platforms in New Zealand:Which are most popular?

CodeTwo and Exclaimer tie for the highest share of searches among email signature marketing platforms in New Zealand, at 38.2% each in October 2026. When we checked with ChatGPT and Google AI Overviews, CodeTwo, Exclaimer and WiseStamp were mentioned most often, in four of the five answers. Exclaimer was recommended most often, coming first in two out of four responses that gave a list.

Search and AI answers in October 2026
  1. CodeTwoShare of searches 38.2%Mentioned in 4 of 5 AI answersPlace in AI recommendations 2nd
  2. ExclaimerShare of searches 38.2%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
  3. OpensenseShare of searches 12.7%Mentioned in 1 of 5 AI answersPlace in AI recommendations 5th
  4. WiseStampShare of searches 9.1%Mentioned in 4 of 5 AI answersPlace in AI recommendations 3rd
  5. NewoldstampShare of searches 1.8%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th

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Top email signature marketing platforms in ChatGPT and Google AI Overviews

In Brandwave's three ChatGPT questions and two Google AI Overviews, CodeTwo, Exclaimer and WiseStamp were mentioned most often, in four of the five answers. Exclaimer was recommended most often, coming first in two out of four answers that gave a list. CodeTwo was second, and WiseStamp was third.

Most recommended by AI

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

  1. Exclaimer1st
  2. CodeTwo2nd
  3. WiseStamp3rd
  4. Newoldstamp4th
  5. Opensense5th

Mentioned by AI

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

  • CodeTwo4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Exclaimer4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • WiseStamp4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Newoldstamp3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Opensense1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about email signature marketing platforms

5 answers

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.

How the Brand Demand Index is measured

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