Sitek Guitar Electronics is a boutique effects pedal company based in Gdynia, Poland, founded by Andrzej "Andy" Sitek and his wife Hania. Andy, who holds a degree in Sound Engineering from Gdansk University and began experimenting with effect pedals in 2005, handles circuit design and manufacturing, while Hania — a trained painter and graphic designer with a musical education — is responsible for the visual identity of each pedal. The company initially operated out of Cork, Ireland before relocating to Poland. Every pedal is handmade one at a time using premium components.

The brand's lineup spans fuzz, distortion, overdrive, boost, delay, modulation, and utility categories. Notable pedals include the Pandora Octave Fuzz, Fuzzie Germanium Fuzz, Wuffy Fuzzy Distortion, Cocoa Distortion, Vixen Germanium Booster, Caffeine Dirty Booster, Nursie Transparent Booster, Phasia Phase Shifter, and the Cristal Signal Buffer. The Sirena Digital Delay — a digital circuit voiced to deliver warm analog-style character — was the company's first pedal. The Freya Overdrive/Booster, a dual pedal combining low-to-mid-gain overdrive with a transparent high-headroom boost, was developed in collaboration with YouTube guitarist Joss Allen.

Each Sitek pedal features a "Sound Muse" — a mythologically inspired female figurehead whose character represents the pedal's sonic identity. This extends to meticulous attention to detail in artwork, knob selection, LED color matching, and hand-scribed serial numbers. Artists using Sitek pedals include Nick DiSalvo of Elder, Justin Greaves of Crippled Black Phoenix, Sel Balamir of Amplifier, and Litza of Luxtorpeda.

Sitek has 2 products cataloged on Equipboard, including Boost Effects Pedals and Fuzz Effects Pedals. Their gear is featured by 1 artist, with the strongest followings in Rock. Notable users include Joss Allen.