Black&callow's tech stack
What does Black&callow use?
Black&callow (blackandcallow.com) uses at least 4 tools we can see from public records, including Microsoft 365 for email and documents and Mailchimp for marketing. Last checked .
- Industry
- Financial Services
- Size
- 51–200 employees
- Based in
- London, United Kingdom
- Founded
- 2014
- Company page
- Tools found
- 4
- Categories
- 3
- Layers
- 3 of 5
- Last checked
- Oct 2026
Black&callow'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
1 tool, where the bytes are served from
DNS
Go-to-market
2 tools, how they find and keep customers
Company Ops
1 tool, what the team runs on day to day
Workspace
Black&callow tech stack FAQ
What tools does Black&callow use?
As of October 2026, runsonwhat has found 4 tools at Black&callow (blackandcallow.com) in public records. Edge & Hosting: GoDaddy. Go-to-market: Mailchimp. Company Ops: Microsoft 365. Last checked October 6, 2026.
What email provider does Black&callow use?
Black&callow uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 700,591 companies runsonwhat tracks.
What marketing software does Black&callow use?
Black&callow uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,049 companies runsonwhat tracks.
Does Black&callow use GoDaddy?
Yes. runsonwhat found GoDaddy at Black&callow through DNS records that point at GoDaddy. GoDaddy is a DNS tool used by 247,324 companies runsonwhat tracks.
How does runsonwhat know what Black&callow uses?
runsonwhat reads public records only. Of the 4 tools at Black&callow, 2 were found through email records, 1 through code on blackandcallow.com and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and blackandcallow.com about 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.