Greatsys's tech stack
What does Greatsys use?
Greatsys (greatsys.com) uses at least 27 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, HubSpot for sales and ConnectWise for customer support. Last checked .
- Industry
- IT Services
- Size
- 51–200 employees
- Based in
- Northbrook, United States
- Founded
- 1996
- Company page
- Tools found
- 27
- Categories
- 13
- Layers
- 5 of 5
- Last checked
- Oct 2026
Greatsys'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
Hosting & Cloud
CDN & Edge
Application
5 tools, what the product is built with
Data & Observability
3 tools, what they measure and store
Go-to-market
12 tools, how they find and keep customers
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
5 tools, what the team runs on day to day
Email Delivery
Workspace
Security & Compliance
Companies like Greatsys also use
Tools common among companies with a similar stack that we haven't found at Greatsys.
Companies with a stack like Greatsys's
Ranked by shared tools, with rare tools counting more.
Expedient Technology SolutionsIT Services · 51–200 people12in common
Quality IPIT Services · 51–200 people13in common
Fluidone (formerly Psu)IT Services · 51–200 people2in common
ParadynIT Services · 51–200 people7in common
ePRINTit™ - Secure Cloud SolutionsIT Services · 51–200 people14in common
Sunset TechnologiesIT Services · 51–200 people12in common
TechWise GroupIT Services · 51–200 people14in common
HILAL TECHNOLOGYIT Services · 51–200 people8in common
More IT Services companies
Other IT Services companies we've checked.
Greatsys tech stack FAQ
What tools does Greatsys use?
We've found 27 tools at Greatsys (greatsys.com). Edge & Hosting: Cloudflare and Vercel. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Mailchimp. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 7, 2026.
What cloud does Greatsys run on?
Greatsys uses Vercel for hosting. We found Vercel through DNS verification records.
What CRM does Greatsys use?
Greatsys uses HubSpot, Zoho and ZoomInfo for sales and CRM. We found HubSpot through email records and website code.
What email provider does Greatsys use?
Greatsys uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through email records and DNS verification records.
What does Greatsys use for customer support?
Greatsys uses ConnectWise for customer support. We found ConnectWise through email records.
What analytics tools does Greatsys use?
Greatsys uses Google Analytics, Google Tag Manager and Microsoft Clarity for analytics. We found Google Analytics through website code.
Does Greatsys use Microsoft 365?
Yes. We found Microsoft 365 at Greatsys through email records and DNS verification records. Microsoft 365 is used by 685,462 companies we track.
How does runsonwhat know what Greatsys uses?
We read public traces only: Greatsys'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.