Legal information

# The company behind this site.

Coopanio OÜ is an Estonian private limited company. Dario Castañé is its founder and technical contact.

## Registered details

Legal nameCoopanio OÜ

RegisterEstonian e-Business Register

Registry code[16225929 (external link)](https://ariregister.rik.ee/eng/company/16225929)

Registered addressLõõtsa tn 5 // Sepapaja tn 4, Lasnamäe linnaosa, Tallinn, Harju maakond, 11415, Estonia

VAT identification numberEE102573082

Management board memberRubèn Dario Castañe Carmona (known professionally as Dario Castañé)

Business enquiries[hola@coopanio.com](mailto:hola@coopanio.com)

Registered company email[dcastane@coopanio.com](mailto:dcastane@coopanio.com)

Company details checked against the [official registry extract (external link)](https://ariregister.rik.ee/est/company/16225929/pdf)  on 8 October 2026. The registered address is a company contact address, not a claim about where engineering work takes place.

## Independence and attribution

Mergo and corb are independently published founder projects. Asembleo is a Coopanio repository. Project licences and ownership remain distinct from a commissioned engineering engagement.

## Before an engagement

Service information is an invitation to discuss a scope. Fees, applicable VAT, delivery and contractual responsibilities are agreed in writing before work begins. See [engagement information](https://coopanio.com/terms/)  and [privacy information](https://coopanio.com/privacy/) .