From Cleanings and Set Ups, to Modifications and Upgrades. From Repairs to Custom Builds. Professional Luthier Work.
Custom Electronics & Services
Precision setups for acoustic, electric & bass guitars — optimized playability & tone.
Learn More →Deep instrument cleaning, fretboard restoration, polishing & finish protection.
Learn More →Custom inlays, wiring upgrades, hardware swaps & tone-enhancing modifications.
Learn More →Schematics, breadboarding, PCB design, BOMs, assembly docs & prototype engineering.
Learn More →From simple fixes to full restorations — plus complete GLS custom-built instruments.
Learn More →Hand-wound pickups for your ideal tone — vintage, hot, modern & everything between.
Learn More →GLS-built effects pedals, boutique circuits, mods and pedalboard integration.
Learn More →Design, documentation & testing for your audio/electronics product development.
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