FEAC Engineering P.C. is an engineering & consulting company, highly specialised in Simulation Driven Product Development & physics-based Digital Twins. FEAC operates in the global market by develop-ing and providing specialised simulation SW and consulting services to solve challenging and complex engineering problems in the fields of Aerospace/ Aeronautics, Maritime, Oil & Gas, Bioengineering, Con-struction, and more. FEAC’s worldwide awarded services range from CAD drafting, advanced multi-physics Finite Element Analysis, Boundary Element Analysis, and Computational Fluid Dynamics, to Structural Health Monitoring, and design optimization techniques. There is extensive experience in project manage-ment & certification of products (CE marking) as well. FEAC combines 1D simulation (aka system simula-tion) with detailed 3D simulation techniques (CFD, FEM, BEM) to build up a comprehensive Digital Twin of the process or object/assembly, not only in the phase of the development, but also in the phase of realiza-tion (manufacturing process) and operation (under operational conditions). This allows FEAC to create a Holistic Digital Twin throughout the product’s lifecycle. FEAC’s expertise is to develop multi-physics, high-fidelity simulations that couple structural mechanics, heat transfer, fluid flow, electromagnetics, acoustics, etc., and represent the mechanical behaviour of components under complex environmental conditions. Siemens Digital Industries Software has appointed FEAC Engineering as the exclusive authorized partner of its CAE portfolio in Greece, Cyprus, and Malta. FEAC develops PITHIA-CP, a world-leading Boundary Element Solver for Cathodic Protection Digital Twins, which is used by SIEMENS as an add-on on its Simcenter 3D software portfolio.