Carrollian field theories at the classical level possess infinite number of
space-time symmetries, namely the supertranslations. In this article we enquire
whether these symmetries for interacting Carrollian scalar field theory survive
in presence of quantum effects. For interactions polynomial in the field, the
answer is in the affirmative. We also studied a renormalization group flow
particularly tailored to respect the manifest Carroll invariance and analyzed
the consequences of introducing Carroll-breaking deformations. The
renormalization group flow, with perturbative loop level effects taken into
account, indicates a new fixed point apart from the Gaussian ones