BIG's tech stack
What does BIG use?
BIG (big.dk) uses at least 21 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, Vercel Analytics for analytics and Mailchimp for marketing. Last checked .
- Industry
- Architecture & Planning
- Size
- 201–1,000 employees
- Based in
- Brooklyn, United States
- Founded
- 2005
- Company page
- Tools found
- 21
- Categories
- 12
- Layers
- 5 of 5
- Last checked
- Oct 2026
BIG'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
1 tool, what they measure and store
Analytics
Go-to-market
2 tools, how they find and keep customers
Company Ops
11 tools, what the team runs on day to day
Email Delivery
Workspace
Collaboration
Finance & Legal
Security & Compliance
Other traces
Companies like BIG also use
Tools common among companies with a similar stack that we haven't found at BIG.
Companies with a stack like BIG's
Ranked by shared tools, with rare tools counting more.
InteroneMarketing and Advertising · 201–1,000 people8in common
Chicken TreatGastronomy · 201–1,000 people6in common
Travel Leaders GroupLeisure, Travel & Tourism · 1–10 people9in common
NeoGenBiotechnology · 1,001–5,000 people8in common
Leica BiosystemsMedical Devices · 1,001–5,000 people6in common
WidexHealthcare · 1,001–5,000 people5in common
BlockskyeSoftware · 51–200 people7in common
Tzell Travel GroupLeisure, Travel & Tourism · 5,001–10,000 people4in common
BIG tech stack FAQ
What tools does BIG use?
As of October 2026, runsonwhat has found 21 tools at BIG (big.dk) in public records. Edge & Hosting: Cloudflare and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Vercel Analytics. Go-to-market: Mailchimp. Company Ops: Microsoft 365, Apple Business and Mailchimp Transactional. Last checked October 7, 2026.
What cloud does BIG run on?
BIG uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record. Vercel is used by 45,467 companies runsonwhat tracks.
What email provider does BIG use?
BIG uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 694,537 companies runsonwhat tracks.
What analytics tools does BIG use?
BIG uses Vercel Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Vercel Analytics through Vercel Analytics code on big.dk. Vercel Analytics is used by 7,050 companies runsonwhat tracks.
What marketing software does BIG use?
BIG uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through Mailchimp code on big.dk. Mailchimp is used by 111,362 companies runsonwhat tracks.
Does BIG use Cloudflare?
Yes. runsonwhat found Cloudflare at BIG through DNS records that point at Cloudflare and code on big.dk. Cloudflare is a CDN & Edge tool used by 677,818 companies runsonwhat tracks.
Does BIG use AI tools?
Yes. runsonwhat has found Anthropic and OpenAI at BIG; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so BIG may use more AI tools than these.
Which companies have a tech stack similar to BIG's?
The companies with the stacks most like BIG's are Interone, Chicken Treat, Travel Leaders Group and NeoGen, according to runsonwhat (October 2026). Each shares 6 to 9 tools with BIG, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what BIG uses?
runsonwhat reads public records only. Of the 21 tools at BIG, 11 were found through DNS records, 5 through code on big.dk, 4 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and big.dk 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.