Level 5's tech stack
What does Level 5 use?
Level 5 (level5advertising.com) uses at least 16 tools we can see from public records, including KnowBe4 for security, Anthropic for AI, Microsoft 365 for email and documents and Cloudflare for content delivery. Last checked .
- Industry
- Marketing and Advertising
- Size
- 51–200 employees
- Based in
- Herndon, United States
- Founded
- 2008
- Company page
- Tools found
- 16
- Categories
- 8
- Layers
- 4 of 5
- Last checked
- Nov 2026
Level 5's stack, layer by layer
Of 16 tools, 14 came from DNS verification records, 1 from DNS records and 1 from email records. 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
CDN & Edge
Application
2 tools, what the product is built with
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
12 tools, what the team runs on day to day
Workspace
Collaboration
Dev Tools
Finance & Legal
Security & Compliance
Level 5 tech stack FAQ
What tools does Level 5 use?
As of November 2026, runsonwhat has found 16 tools at Level 5 (level5advertising.com) in public records. Edge & Hosting: Cloudflare. Application: Anthropic and OpenAI. Company Ops: Microsoft 365, Atlassian and KnowBe4. Last checked November 9, 2026.
What email provider does Level 5 use?
Level 5 uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 730,524 companies runsonwhat tracks.
Does Level 5 use Cloudflare?
Yes. runsonwhat found Cloudflare at Level 5 through DNS records that point at Cloudflare and code on level5advertising.com. Cloudflare is a CDN & Edge tool used by 731,259 companies runsonwhat tracks.
Does Level 5 use AI tools?
Yes. runsonwhat has found Anthropic and OpenAI at Level 5; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Level 5 may use more AI tools than these.
Which companies have a tech stack similar to Level 5's?
The companies with the stacks most like Level 5's are Tink, Translink, Opia and PartsTrader Markets, according to runsonwhat (November 2026). Each shares 4 to 6 tools with Level 5, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Level 5 uses?
runsonwhat reads public records only. Of the 16 tools at Level 5, 15 were found through DNS records, 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and level5advertising.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.