Since 2014, Dominique Grandfils has managed the website Maccaclub alongside a team of enthusiasts. The site is regarded as the leading French-language reference dedicated to Paul McCartney, and he is regularly called upon by the media for commentary and interviews. He also wrote the presentation texts for Paul Wood’s stage production We Love You Paul, first performed at the Théâtre de Ménilmontant on 17 September 2015.
In 2017, he published Anthologie du rock français 1956–2017 with Camion Blanc, a landmark 1,066-page reference work listing more than 900 bands and 5,000 musicians who helped shape rock music in France. Two years later, he released the first French-language biography of Billy Joel, tracing the remarkable career of the American artist. In November 2020, Ringo Starr, le survivant was published by Camion Blanc. He also contributed to the collective work Number Nine – Hommage à John Lennon (AO Editions).
In October 2022, Dominique Grandfils published the first French-language book devoted to Daryl Hall and John Oates, and joined the editorial team of Longueur d’Ondes magazine. In May 2023, Gravé dans le rock offered a new collection of quotations from rock stars. In August 2023, he co-authored with Daniel Lesueur the first French biography of Cat Stevens, published by Camion Blanc.
October 2024 saw the release of the revised edition of Paul McCartney – Les années Wings, followed by an English version in December and a Spanish edition in June 2025. In September 2025, Dominique Grandfils published a French biography of George Harrison with Encre Rock Editions.