Seita Technologies Oy

SEITATECH is a Finnish card payment service provider as well as a local importer and distributor of high-class Castles payment terminals in the Nordic and Baltic countries. We provide payment terminal softwares as well as mobile, ecommerce and other online payment solutions producer. We are specialized in electronic payment systems and the implementation of future payment technologies.

With our long experience and expertise in payments industry we provide PSD2 compliant payment solutions for brick-and-mortar retailers, mobile merchants and for online environments. If you are looking for or considering a digital payment solution for your business, please feel free to contact us.

Payment Gateway

By subcontracting your payment processing to us, you can fully focus on your own company's value creation, leaving the cumbersome technology implementations to others.

The high availability and infallible security of our services, ensures that your business runs uninterrupted.

As Seitatech's client, you save time, effort, and cold hard cash.


Payment technology advances at a fast pace, which requires flexibility from anyone facilitating payments.

With our development services, your company can respond to the challenges posed by the fast-changing payments landscape, and be ready to provide your clients with the latest payment methods.

If you have an industry shattering idea, we will help you implement it.

Payment terminals

Seitatech imports and distributes reliable and high-quality Castles payment terminals for the Nordic and Baltic markets.

Castles Technology Co Ltd.’s payment terminals are highly secure (PCI PTS certified) with user experience at the forefront of the payment terminal industry.

When you choose Castles, you choose the best. Payment terminals for all your business from one supplier.


As part of the development of our growing payment terminal business, we are looking for new resellers in the Nordic and Baltic countries.

We are interested in both experienced and beginner resellers. We will give you everything you need to support your sales efforts.

Sakari Parre

Sakari Parre


Sakari is responsible for the organization's long term development. He has extensive experience in a leadership role, delivering technology solutions to the banking and retail sectors.

Mikko Laaksonen

Mikko Laaksonen


Mikko is responsible for the execution and management of Seitatechs technology solutions, ensuring they meet the needs and requirements of our clients.

Markus Laaksonen

Markus Laaksonen

Head of Development

Markus leads our development unit, guaranteeing the timely completion of Seitatech's projects. Under his management we create payment systems of the future.

Jyri Kämäräinen

Head of Technical Support and CRM

Over 10 year veteran of payments industry, with proven track record in management of customer service, technical support, and various large scale projects.

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