SIWI's tech stack
What does SIWI use?
SIWI (siwi.org) uses at least 23 tools we can see from public records, including Vercel for hosting, Zendesk for customer support, Teamtailor for hiring and HR and Mailchimp Transactional for email delivery. SIWI has used Teamtailor since Mar 2023, going by certificate records. Last checked .
“SIWI is an independent, global organization advancing water governance by connecting people, knowledge, & decision-making to drive sustainable water solutions.”
- Industry
- Think Tanks
- Size
- 51–200 employees
- Based in
- Stockholm, Sweden
- Founded
- 1991
- Company page
- Tools found
- 23
- Categories
- 14
- Oldest proven tool
- Mar 2023
- Last checked
- Nov 2026
SIWI's stack, layer by layer
Of 23 tools, 12 came from website code, 4 from email records, 3 from DNS verification records and 4 from other 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
2 tools, where the bytes are served from
Hosting & Cloud
Application
6 tools, what the product is built with
Data & Observability
2 tools, what they measure and store
Go-to-market
6 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Support & Docs
Company Ops
7 tools, what the team runs on day to day
Email Delivery
Workspace
Collaboration
People & HR
Security & Compliance
What changed at SIWI
Using since
Dates come from the first certificate of the subdomain that points at the tool.
SIWI tech stack FAQ
What tools does SIWI use?
As of November 2026, runsonwhat has found 23 tools at SIWI (siwi.org) in public records. Edge & Hosting: Vercel and Microsoft Azure. Application: Google Fonts, YouTube and React. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Microsoft Ads. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked November 3, 2026.
What cloud does SIWI run on?
SIWI uses Vercel for hosting and cloud infrastructure, alongside Microsoft Azure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and DNS records. Vercel is used by 52,181 companies runsonwhat tracks.
What email provider does SIWI use?
SIWI uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 727,138 companies runsonwhat tracks.
What does SIWI use for customer support?
SIWI uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on siwi.org. Zendesk is used by 43,316 companies runsonwhat tracks.
What analytics tools does SIWI use?
SIWI uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on siwi.org. Google Analytics is used by 905,620 companies runsonwhat tracks.
What is SIWI's website built with?
SIWI uses WordPress for its website, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on siwi.org. WordPress is used by 607,166 companies runsonwhat tracks.
How long has SIWI used Teamtailor?
SIWI has used Teamtailor since at least March 2023, going by the first public certificate of the siwi.org subdomain that points at Teamtailor.
Does SIWI use Google Fonts?
Yes. runsonwhat found Google Fonts at SIWI through Google Fonts code on siwi.org. Google Fonts is a Media & UI tool used by 825,733 companies runsonwhat tracks.
Which companies have a tech stack similar to SIWI's?
The companies with the stacks most like SIWI's are Namene, YAVICA, Teamcubate and Puma Capital Group, according to runsonwhat (November 2026). Each shares 7 to 9 tools with SIWI, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what SIWI uses?
runsonwhat reads public records only. Of the 23 tools at SIWI, 12 were found through code on siwi.org, 4 through DNS records, 4 through email records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and siwi.org 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.