Size's tech stack
What does Size use?
Size (size.co.uk) uses at least 31 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Zendesk for customer support and Google Analytics for analytics. Last checked .
- Industry
- Retail
- Size
- 1,001–5,000 employees
- Based in
- Manchester, United Kingdom
- Founded
- 2000
- Company page
- Tools found
- 31
- Categories
- 16
- Layers
- 5 of 5
- Last checked
- Oct 2026
Size'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
3 tools, where the bytes are served from
Application
9 tools, what the product is built with
Data & Observability
5 tools, what they measure and store
Monitoring
Flags & Experiments
Go-to-market
8 tools, how they find and keep customers
Ads & Pixels
Support & Docs
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Workspace
Collaboration
Security & Compliance
Size tech stack FAQ
What tools does Size use?
We've found 31 tools at Size (size.co.uk). Edge & Hosting: Amazon Route 53, Amazon Web Services and Fastly. Application: jQuery, Google Fonts and Vimeo. Data & Observability: Google Analytics, New Relic and AppsFlyer. Go-to-market: Meta Pixel, Zendesk and TikTok Pixel. Company Ops: Microsoft 365, Google Workspace and Amazon SES. Last checked October 3, 2026.
What cloud does Size run on?
Size uses Amazon Web Services for hosting. We found Amazon Web Services through custom domain.
What email provider does Size use?
Size uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through DNS verification records and email records.
What does Size use for customer support?
Size uses Zendesk for customer support. We found Zendesk through email records.
What analytics tools does Size use?
Size uses Google Analytics, AppsFlyer and Qualtrics for analytics. We found Google Analytics through website code.
What marketing software does Size use?
Size uses Attentive and PowerReviews for marketing. We found Attentive through website code.
Does Size use Microsoft 365?
Yes. We found Microsoft 365 at Size through DNS verification records and email records. Microsoft 365 is used by 245,233 companies we track.
How does runsonwhat know what Size uses?
We read public traces only: Size'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.