Former head of three different customs offices: Sumy, Chornomorsk, and Mykolaiv
In 2023, he resigned from public service. That same year, his mother Tamara Illyashevych, director of a school in the village of Horoshyne, Poltava region, purchased a Norman-style cottage with an area of 245 sq. m (286 sq. m including terraces) in the elite Riviera Zoloche DeLuxe community near Kyiv. The official transaction price was UAH 7 million, approximately USD 190 thousand. At the same time, similar cottages in this complex were selling for USD 700 thousand or from UAH 24.5 million. The difference between the official and market price is over UAH 17 million.
In the last submitted declaration, Tamara Illyashevych indicated that at the end of 2020, together with her husband, she had savings of only USD 11 thousand. Three years later—a cottage valued at over USD 700 thousand.
"Dividends from mother's legal companies" — son’s version
Yaroslav Illyashevych explained to journalists that the source of funds can be explained by dividends from his mother’s companies and her income. Tamara Illyashevych did indeed own the company "Novel Energy Solutions" from 2017 to 2024. However, she did not report any dividends from this business in any of her declarations.
Nearby Tamara Illyashevych, in the same elite community, lives another former customs officer — Serhii Tupalskyi, who in March 2026 was notified of suspicion for legalization of over USD 2 million through the construction of a hotel complex in Bukovel.