Portfolio

Shareholdings & Projects.

We invest where we can also contribute operationally — and build products we would use ourselves.

Shareholdings

Equity holdings of IP Strategy UG (haftungsbeschränkt).

Shareholding

Schierle Siyaya GmbH

Equity stake. A joint vehicle for operating projects at the intersection of industry and digitalisation.

Projects

Products and platforms we help build.

Digital products
Siyaya Digital
Development partner for digital products — from the first product idea to running operations.
siyaya-digital.com — Opens in a new tab
Real estate
Immobilien Butler
A digital service around the property: requests, coordination and tasks in one place.
immobilien-butler.com — Opens in a new tab
Property management
Immo Verwalter
Software for property managers — assets, cases and documents structured instead of buried in inboxes.
immo-verwalter.io — Opens in a new tab
Certificates & compliance
CertX
Manage certificates and proofs digitally: capture, verify and keep deadlines in view.
certx.app — Opens in a new tab
Industry
SteelX
Digital tooling for the steel and metal industry — the processes between quote, material and production.
steelx.app — Opens in a new tab
Collaboration
Siyaya Workspace
A shared workspace for teams: projects, knowledge and coordination without tool sprawl.
siyaya-workspace.com — Opens in a new tab