  The lepton sector of the Standard Model is at present haunted by several
intriguing anomalies, including an emerging pattern of deviations in $b \to s
\ell \ell$ processes, with hints of lepton flavor universality violation, and a
discrepancy in the muon anomalous magnetic moment. More importantly, it cannot
explain neutrino oscillation data, which necessarily imply the existence of
non-zero neutrino masses and lepton mixings. We propose a model that
accommodates all the aforecited anomalies, induces neutrino masses and provides
a testable dark matter candidate. This is achieved by introducing a dark sector
contributing to the observables of interest at the 1-loop level. Our setup
provides a very economical explanation to all these open questions in particle
physics and is compatible with the current experimental constraints.
