The deal, announced on Friday, is reportedly worth at least 30 million euros, with an additional 5 million in potential add-ons, though neither club disclosed the official financial details.
The 24-year-old, born in France and a product of Nice's youth system, made his first-team debut in January 2020. He enjoyed a standout campaign last season, scoring 13 goals across all competitions while primarily operating as a winger. His performances earned him the accolade of Nice's player of the season.
Villa described Guessand as "a versatile operator capable of playing across the front line," highlighting his ability to adapt to multiple attacking roles.
Nice, in their farewell statement, praised him as "a model of resilience," reflecting his journey from academy prospect to key first-team player.
The signing underscores Villa's ambitions ahead of the new Premier League season, which begins on 16 August when they host Newcastle United.
Manager Unai Emery will be hoping Guessand's pace, movement, and eye for goal will add a fresh dimension to the squad's forward play.
Aston Villa head into the 2025/2026 Premier League season under Unai Emery with optimism after a strong 2024/2025 that saw them finish sixth, narrowly missing out on a Champions League spot on goal difference.
Aston Villa are preparing for a fresh wave of interest in star striker Ollie Watkins, with both Newcastle and Man United monitoring the situation closely.
Aston Villa have confirmed the signing of 19-year-old centre-back Modou Keba Cisse from Austrian side LASK in a pre-contract agreement.
Chelsea have identified Aston Villa forward Morgan Rogers as their primary target for the remainder of the transfer window, as the West London club continues to reshape its attacking options.
