---
title: "Business email providers: Which brands are most popular in search?"
description: "Compare services and tools used to provide hosted business email accounts. Share of Search among Microsoft 365, Proton Mail, Zoho Mail, Google Workspace and Fastmail, the business email providers Brandwave compares worldwide, using the same methodology, market, and reporting period. 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/global-en/categories/business-email-providers"
publisher: "Brandwave"
---

# Business email providers: Which brands are most popular in search?

Compare services and tools used to provide hosted business email accounts. Share of Search among Microsoft 365, Proton Mail, Zoho Mail, Google Workspace and Fastmail, the business email providers Brandwave compares worldwide, using the same methodology, market, and reporting period. 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

- **Competitive set**: Business email providers
- **Market**: Global
- **Brands compared**: 5
- **Month measured**: Aug 2026
- **Highest Share of Search**: Microsoft 365, 60.3%

## Which brand is most popular in search among business email providers worldwide?

- In August 2026, Microsoft 365 was the most searched among business email providers worldwide, with an estimated 13.7M branded searches and 60.3% estimated Share of Search within this set.
- Proton Mail is in 2nd place, 42.2 percentage points behind at 18.1% Share of Search.
- Across the 11 months ending August 2026, Microsoft 365’s estimated Share of Search among business email providers worldwide decreased from 75.2% to 60.3%.
- Across the 11 months ending August 2026, Proton Mail’s estimated Share of Search among business email providers worldwide increased from 9.7% to 18.1%.
- Across the 11 months ending August 2026, Zoho Mail’s estimated Share of Search among business email providers worldwide increased from 9.7% to 12.1%.
- Across the 11 months ending August 2026, Google Workspace’s estimated Share of Search among business email providers worldwide increased from 4.9% to 8.7%.
- Across the 11 months ending August 2026, Microsoft 365’s estimated Share of Search among business email providers worldwide peaked at 75.4% in November 2025 and was lowest at 58.2% in July 2026.
- Across the 11 months ending August 2026, Proton Mail’s estimated Share of Search among business email providers worldwide peaked at 19% in July 2026 and was lowest at 9.7% in October 2025.
- Across the 11 months ending August 2026, Zoho Mail’s estimated Share of Search among business email providers worldwide peaked at 12.7% in July 2026 and was lowest at 7.4% in November 2025.
- Across the 11 months ending August 2026, Google Workspace’s estimated Share of Search among business email providers worldwide peaked at 9.3% in July 2026 and was lowest at 4.9% in October 2025.
- Across the 11 months ending August 2026, Proton Mail rose from 3rd to 2nd among business email providers worldwide.
- Across the 11 months ending August 2026, Zoho Mail fell from 2nd to 3rd among business email providers worldwide.
- Across the 11 months ending August 2026, Fastmail held steady: its estimated Share of Search among business email providers worldwide moved less than 0.5 percentage points.

## Compare search popularity between leading brands

- [Microsoft 365 vs Proton Mail: compare search popularity](/demand/global-en/compare/microsoft-365-vs-proton-mail): 60.3% against 18.1% Share of Search.
- [Microsoft 365 vs Zoho Mail: compare search popularity](/demand/global-en/compare/microsoft-365-vs-zoho-mail): 60.3% against 12.1% Share of Search.
- [Microsoft 365 vs Google Workspace: compare search popularity](/demand/global-en/compare/google-workspace-vs-microsoft-365): 60.3% against 8.7% Share of Search.
- [Proton Mail vs Zoho Mail: compare search popularity](/demand/global-en/compare/proton-mail-vs-zoho-mail): 18.1% against 12.1% Share of Search.
- [Proton Mail vs Google Workspace: compare search popularity](/demand/global-en/compare/google-workspace-vs-proton-mail): 18.1% against 8.7% Share of Search.
- [Zoho Mail vs Google Workspace: compare search popularity](/demand/global-en/compare/google-workspace-vs-zoho-mail): 12.1% against 8.7% Share of Search.

## How did search popularity change for business email providers worldwide in August 2026?

- In August 2026, Microsoft 365 gained estimated Share of Search among business email providers worldwide, from 58.2% to 60.3%.
- In August 2026, Proton Mail lost estimated Share of Search among business email providers worldwide, from 19% to 18.1%.
- In August 2026, Zoho Mail lost estimated Share of Search among business email providers worldwide, from 12.7% to 12.1%.
- In August 2026, Google Workspace lost estimated Share of Search among business email providers worldwide, from 9.3% to 8.7%.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Microsoft 365 | 60.3% | 13.7M | +9.0% | Microsoft |
| 2 | Proton Mail | 18.1% | 4.1M | +0.0% | Proton Mail |
| 3 | Zoho Mail | 12.1% | 2.7M | -0.0% | Zoho |
| 4 | Google Workspace | 8.7% | 2M | -0.9% | Google |
| 5 | Fastmail | 0.78% | 176K | +0.1% | Fastmail |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Microsoft 365 | 26M | 75.2% | 1 |
| Oct 2025 | Zoho Mail | 3.4M | 9.7% | 2 |
| Oct 2025 | Proton Mail | 3.4M | 9.7% | 3 |
| Oct 2025 | Google Workspace | 1.7M | 4.9% | 4 |
| Oct 2025 | Fastmail | 176K | 0.51% | 5 |
| Nov 2025 | Microsoft 365 | 22.8M | 75.4% | 1 |
| Nov 2025 | Proton Mail | 3.4M | 11.1% | 2 |
| Nov 2025 | Zoho Mail | 2.2M | 7.4% | 3 |
| Nov 2025 | Google Workspace | 1.7M | 5.6% | 4 |
| Nov 2025 | Fastmail | 144K | 0.48% | 5 |
| Dec 2025 | Microsoft 365 | 18.6M | 71.5% | 1 |
| Dec 2025 | Proton Mail | 3.4M | 12.9% | 2 |
| Dec 2025 | Zoho Mail | 2.2M | 8.6% | 3 |
| Dec 2025 | Google Workspace | 1.7M | 6.4% | 4 |
| Dec 2025 | Fastmail | 144K | 0.55% | 5 |
| Jan 2026 | Microsoft 365 | 21.1M | 71.3% | 1 |
| Jan 2026 | Proton Mail | 4.1M | 13.8% | 2 |
| Jan 2026 | Zoho Mail | 2.2M | 7.6% | 3 |
| Jan 2026 | Google Workspace | 2M | 6.7% | 4 |
| Jan 2026 | Fastmail | 174K | 0.59% | 5 |
| Feb 2026 | Microsoft 365 | 21.1M | 73.2% | 1 |
| Feb 2026 | Proton Mail | 3.4M | 11.6% | 2 |
| Feb 2026 | Zoho Mail | 2.2M | 7.8% | 3 |
| Feb 2026 | Google Workspace | 2M | 6.9% | 4 |
| Feb 2026 | Fastmail | 145K | 0.5% | 5 |
| Mar 2026 | Microsoft 365 | 21.2M | 71.2% | 1 |
| Mar 2026 | Proton Mail | 4.1M | 13.8% | 2 |
| Mar 2026 | Zoho Mail | 2.3M | 7.6% | 3 |
| Mar 2026 | Google Workspace | 2M | 6.8% | 4 |
| Mar 2026 | Fastmail | 176K | 0.59% | 5 |
| Apr 2026 | Microsoft 365 | 18.6M | 67.3% | 1 |
| Apr 2026 | Proton Mail | 4.1M | 14.8% | 2 |
| Apr 2026 | Zoho Mail | 2.7M | 9.9% | 3 |
| Apr 2026 | Google Workspace | 2.1M | 7.4% | 4 |
| Apr 2026 | Fastmail | 145K | 0.52% | 5 |
| May 2026 | Microsoft 365 | 18.7M | 68.6% | 1 |
| May 2026 | Proton Mail | 4.1M | 15.1% | 2 |
| May 2026 | Zoho Mail | 2.2M | 8.3% | 3 |
| May 2026 | Google Workspace | 2M | 7.4% | 4 |
| May 2026 | Fastmail | 175K | 0.64% | 5 |
| Jun 2026 | Microsoft 365 | 15.3M | 63% | 1 |
| Jun 2026 | Proton Mail | 4.1M | 16.8% | 2 |
| Jun 2026 | Zoho Mail | 2.7M | 11.3% | 3 |
| Jun 2026 | Google Workspace | 2M | 8.2% | 4 |
| Jun 2026 | Fastmail | 176K | 0.72% | 5 |
| Jul 2026 | Microsoft 365 | 12.5M | 58.2% | 1 |
| Jul 2026 | Proton Mail | 4.1M | 19% | 2 |
| Jul 2026 | Zoho Mail | 2.7M | 12.7% | 3 |
| Jul 2026 | Google Workspace | 2M | 9.3% | 4 |
| Jul 2026 | Fastmail | 176K | 0.81% | 5 |
| Aug 2026 | Microsoft 365 | 13.7M | 60.3% | 1 |
| Aug 2026 | Proton Mail | 4.1M | 18.1% | 2 |
| Aug 2026 | Zoho Mail | 2.7M | 12.1% | 3 |
| Aug 2026 | Google Workspace | 2M | 8.7% | 4 |
| Aug 2026 | Fastmail | 176K | 0.78% | 5 |
| Sep 2026 | Fastmail | — | — | — |
| Sep 2026 | Google Workspace | — | — | — |
| Sep 2026 | Microsoft 365 | — | — | — |
| Sep 2026 | Proton Mail | — | — | — |
| Sep 2026 | Zoho Mail | — | — | — |

## What is being compared

- **Fastmail**: Measured on the search terms “email fastmail”, “fastmail”, “fastmail app” and “fastmail com”, summed into one figure.
- **Google Workspace**: Measured on the search terms “business email google workspace”, “email google workspace”, “google workspace”, “google workspace app”, “google workspace business email”, “google workspace email”, “google workspace software”, “googleworkspace” and “gsuite”, summed into one figure.
- **Microsoft 365**: Measured on the search terms “business email microsoft 365”, “email microsoft 365”, “microsoft 365”, “microsoft 365 app”, “microsoft 365 business email”, “microsoft 365 email”, “microsoft 365 software”, “microsoft365” and “office 365”, summed into one figure.
- **Proton Mail**: Measured on the search terms “email proton mail”, “proton mail”, “proton mail app”, “proton mail business email”, “proton mail email”, “proton mail software” and “protonmail”, summed into one figure.
- **Zoho Mail**: Measured on the search terms “business email zoho mail”, “email zoho mail”, “zoho mail”, “zoho mail app”, “zoho mail business email”, “zoho mail software” and “zohomail”, summed into one figure.

- [Fastmail](/demand/global-en/brands/fastmail)
- [Google Workspace](/demand/global-en/brands/google-workspace)
- [Microsoft 365](/demand/global-en/brands/microsoft-365)
- [Proton Mail](/demand/global-en/brands/proton-mail)
- [Zoho Mail](/demand/global-en/brands/zoho-mail)

## Methodology

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

## Frequently asked questions

### Which brand is most popular in search among business email providers worldwide?

In August 2026, Microsoft 365 was the most searched among business email providers worldwide, with an estimated 13.7M branded searches and 60.3% estimated Share of Search within this set. Worldwide · English terms: these are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "Business email providers: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/business-email-providers

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/business-email-providers. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.