Four Twenty Seven's tech stack
What does Four Twenty Seven use?
Four Twenty Seven (427mt.com) uses at least 10 tools we can see from public records, including Microsoft 365 for email and documents, Cloudflare for content delivery and Agari for security. Last checked .
- Industry
- Financial Services
- Size
- 11–50 employees
- Based in
- Berkeley, United States
- Founded
- 2012
- Company page
- Tools found
- 10
- Categories
- 6
- Layers
- 5 of 5
- Last checked
- Oct 2026
Four Twenty Seven'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
Application
3 tools, what the product is built with
Media & UI
Data & Observability
1 tool, what they measure and store
Data Pipeline
Go-to-market
2 tools, how they find and keep customers
Ads & Pixels
Company Ops
2 tools, what the team runs on day to day
Workspace
Security & Compliance
Companies like Four Twenty Seven also use
Tools common among companies with a similar stack that we haven't found at Four Twenty Seven.
Companies with a stack like Four Twenty Seven's
Ranked by shared tools, with rare tools counting more.
XoomFinancial Services · 201–1,000 people4in common
cahootFinancial Services3in common
U.S. BancorpFinancial Services · 10,000+ people4in common
The Piedmont GroupFinancial Services · 51–200 people2in common
First HoldCo PlcFinancial Services · 1,001–5,000 people3in common
The Paul Revere Life Insurance Companycolonial-paulrevere.com5in common
DWS GroupInvestment Management2in common
Eisai Co., Ltd.Pharmaceuticals2in common
More Financial Services companies
Other Financial Services companies we've checked.
Four Twenty Seven tech stack FAQ
What tools does Four Twenty Seven use?
As of October 2026, runsonwhat has found 10 tools at Four Twenty Seven (427mt.com) in public records. Edge & Hosting: Cloudflare and Fastly. Application: Vimeo, YouTube and GSAP. Data & Observability: Adobe Experience Platform Tags. Go-to-market: Microsoft Ads and StackAdapt. Company Ops: Microsoft 365 and Agari. Last checked October 3, 2026.
What email provider does Four Twenty Seven use?
Four Twenty Seven uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 694,589 companies runsonwhat tracks.
Does Four Twenty Seven use Cloudflare?
Yes. runsonwhat found Cloudflare at Four Twenty Seven through DNS records that point at Cloudflare and code on 427mt.com. Cloudflare is a CDN & Edge tool used by 683,095 companies runsonwhat tracks.
Which companies have a tech stack similar to Four Twenty Seven's?
The companies with the stacks most like Four Twenty Seven's are Xoom, cahoot, U.S. Bancorp and The Piedmont Group, according to runsonwhat (October 2026). Each shares 2 to 4 tools with Four Twenty Seven, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Four Twenty Seven uses?
runsonwhat reads public records only. Of the 10 tools at Four Twenty Seven, 7 were found through code on 427mt.com, 2 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 427mt.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.