runsonwhat

siku's tech stack

What does siku use?

siku (siku.de) uses at least 17 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, PayPal for payments and Shopware for its website. Last checked .

Industry
Toy Maker
Size
201–1,000 employees
Based in
Germany
Founded
1921
Re-check liveVisit siku.de
Tools found
17
Categories
9
Layers
4 of 5
Changes seen
1

siku'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.

Application

3 tools, what the product is built with

Frontend

Payments & Billing

Media & UI

Data & Observability

2 tools, what they measure and store

Analytics

Go-to-market

7 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Company Ops

5 tools, what the team runs on day to day

Workspace

Security & Compliance

What changed at siku

Recent starts and stops

  1. StartedHornetsecurity

Companies like siku also use

Tools common among companies with a similar stack that we haven't found at siku.

Companies with a stack like siku's

Ranked by shared tools, with rare tools counting more.

siku tech stack FAQ

What tools does siku use?

As of October 2026, runsonwhat has found 17 tools at siku (siku.de) in public records. Application: jQuery, PayPal and Three.js. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Apple Business and Cookiebot. Last checked October 9, 2026.

What email provider does siku use?

siku 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 code on siku.de. Microsoft 365 is used by 701,708 companies runsonwhat tracks.

What payment provider does siku use?

siku uses PayPal for payments and billing, according to runsonwhat (October 2026). runsonwhat found PayPal through PayPal code on siku.de. PayPal is used by 33,808 companies runsonwhat tracks.

What analytics tools does siku use?

siku uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on siku.de. Google Analytics is used by 852,573 companies runsonwhat tracks.

What is siku's website built with?

siku uses Shopware for its website, according to runsonwhat (October 2026). runsonwhat found Shopware through Shopware code on siku.de. Shopware is used by 875 companies runsonwhat tracks.

What marketing software does siku use?

siku uses Klaviyo for marketing, according to runsonwhat (October 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo. Klaviyo is used by 34,575 companies runsonwhat tracks.

Does siku use jQuery?

Yes. runsonwhat found jQuery at siku through jQuery code on siku.de. jQuery is a Frontend tool used by 897,128 companies runsonwhat tracks.

Has siku changed tools recently?

Yes. On runsonwhat's rechecks, siku started using Hornetsecurity (latest on October 9, 2026). A change counts only between two checks of siku.de done the same way.

Which companies have a tech stack similar to siku's?

The companies with the stacks most like siku's are Tagum Cooperative, MMCL, ADEY and 昭和電機産業株式会社, according to runsonwhat (October 2026). Each shares 3 to 8 tools with siku, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what siku uses?

runsonwhat reads public records only. Of the 17 tools at siku, 10 were found through code on siku.de, 5 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and siku.de 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.