runsonwhat

Open House Group's tech stack

What does Open House Group use?

Open House Group (openhouse-group.com) uses at least 15 tools we can see from public records, including Microsoft 365 for email and documents, HubSpot for sales, Zendesk for customer support and Marketo for marketing. Last checked .

Industry
Real Estate
Size
201–1,000 employees
Based in
Marunouchi, Japan
Founded
1996
LinkedIn
Company page
Re-check liveVisit openhouse-group.com
Tools found
15
Categories
10
Layers
3 of 5
Last checked
Oct 2026

Open House Group's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

2 tools, where the bytes are served from

CDN & Edge

DNS

Go-to-market

5 tools, how they find and keep customers

Marketing

Sales & CRM

Support & Docs

Company Ops

8 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Finance & Legal

Companies like Open House Group also use

Tools common among companies with a similar stack that we haven't found at Open House Group.

Companies with a stack like Open House Group's

Ranked by shared tools, with rare tools counting more.

More Real Estate companies

Other Real Estate companies we've checked.

Open House Group tech stack FAQ

What tools does Open House Group use?

We've found 15 tools at Open House Group (openhouse-group.com). Edge & Hosting: Amazon Route 53 and Akamai. Go-to-market: HubSpot, Zendesk and Salesforce. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 3, 2026.

What CRM does Open House Group use?

Open House Group uses HubSpot and Salesforce for sales and CRM. We found HubSpot through email records.

What email provider does Open House Group use?

Open House Group uses Microsoft 365, Google Workspace and Apple Business for email and documents. We found Microsoft 365 through DNS verification records and email records.

What does Open House Group use for customer support?

Open House Group uses Zendesk for customer support. We found Zendesk through email records.

What marketing software does Open House Group use?

Open House Group uses Marketo for marketing. We found Marketo through custom domain.

Does Open House Group use Microsoft 365?

Yes. We found Microsoft 365 at Open House Group through DNS verification records and email records. Microsoft 365 is used by 245,233 companies we track.

How does runsonwhat know what Open House Group uses?

We read public traces only: Open House Group's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.