Brynjar Kristjánsson
Founder and CEO of Topplagnir with extensive experience in mechanical systems, infrastructure and large-scale industrial in Iceland. Responsible for company strategy, business development and overall project execution.

Topplagnir is an Icelandic mechanical contractor specializing in mission-critical infrastructure, advanced mechanical systems and industrial installations.
With more than 25 years of continuous presence on the Icelandic market, Topplagnir has built strong experience across complex industrial and infrastructure projects. The company cooperates with renowned international suppliers of mechanical systems and focuses on delivering high-quality, reliable and modern technical solutions. Topplagnir is strongly focused on development and innovation — actively present at international industry exhibitions and continuously following the latest engineering trends — and supports clients from early-stage coordination through final installation and commissioning.
A focused team structured around accountability — from executive leadership to technical specialists running execution on site.
Founder and CEO of Topplagnir with extensive experience in mechanical systems, infrastructure and large-scale industrial in Iceland. Responsible for company strategy, business development and overall project execution.
Responsible for technical leadership, mission critical cooling systems and project execution within data center infrastructure projects. Specialized in HVAC, liquid cooling, high and low pressure water mist systems and large-scale mechanical installations. Leading technical development, QA/QC implementation and operational standards across the company.
Responsible for QA/QC coordination, technical procurement and documentation management. Supports project teams with datasheets, technical submittals and communication with consultants and suppliers. Actively involved in material coordination and technical compliance across ongoing projects.
Responsible for office operations, administration and internal company coordination. Managing documentation flow, invoicing processes and daily administrative activities. Supporting projects and operational teams across the organization.
Responsible for workforce coordination, HR processes and risk assessment management. Overseeing work hours control, personnel organization and compliance-related documentation. Supporting operational safety and workforce planning across ongoing projects.
We plan the work before entering the site and keep the process documented from start to finish.
Mechanical systems in mission-critical environments must be reliable, inspectable, and commissioned to standard. QA/QC discipline runs through every project.
We are active at international industry exhibitions and continuously bring modern mechanical technologies and CO₂-reduction solutions to the Icelandic market.
We use risk assessments and structured work methods to support safer delivery in demanding environments.