Stem Designs is a modern engineering design consultancy based in Edinburgh, Scotland.

The company was started by Lukasz Adamczewski, MEng, who is a senior mechanical design engineer working in professional capacity in the UK since 2011. He has worked across different sectors of industry and has gained valuable knowledge and skills within the mechanical design field.

Stem Designs has its foundations in Lukasz’s personal broad, cross-sector engineering experience, described below.

Hydrogen Technology

Detailed mechanical design of Hydrogen Refueling Stations, Hydrogen Generators, Hydrogen Compression and Storage Systems, and other Hydrogen Equipment.

Responsible for integration of system subcomponents, mechanical design of load bearing structures, enclosures and container systems, and hydraulic design of high-pressure pipework.

Hydraulic pumped systems

Detailed mechanical design of close to 100 standard wastewater and clean water pumping stations for commercial and domestic applications across Scotland, within Scottish Water MAF frameworks. Responsible for creating an automated design system for standard products, which involved Autodesk Inventor, Vault, Excel, iLogic and VB programming. Visualisations, videos and promotional marketing material was also created.

Production line process machinery

Detailed mechanical design of large-scale production line equipment for world-leading food and chemical companies. Comprehensive scope, including support structures, machinery, mechanisms, sheet metal and more. Production of visual promotional materials.

Oil & gas machinery

Mechanical design of heavy machinery components for oil and gas industries – firing line pipe handling equipment, lifting equipment, marine structures.

Hydro-power projects

Hydraulic design of mini-hydro energy projects within Scottish Water frameworks across Scotland.


Tech Frontier is an engineering consultancy and hi-tech research start-up based in Scotland. Operating from Inverness, Tech Frontier provide mechanical engineering services to customers in the Scottish Highlands, Aberdeen, the Central Belt and rest of the UK