  As part of an ongoing programme to study $\mathrm{Sp}(2N)$ gauge theories as
potential realisations of composite Higgs models, we consider the case of
$\mathrm{Sp}(4)$ on the lattice, both as a pure gauge theory, and with two
Dirac fermion flavors in the fundamental representation. In order to compare
results between these two cases and maintain control of lattice artefacts, we
make use of the gradient flow to set the scale of the simulations. We present
some technical aspects of the simulations, including preliminary results for
the scale setting in the two cases and results for the topological charge
history.
