If you are looking for a non-religious ceremony for weddings, funerals and naming ceremonies you can try a celebrant from The British Humanist Association.
The Bristol based Celebrants are:
Paul Bulmer:
(Weddings)
humanist.org.uk/paulbulmer/
Clare Hanson-Kahn:
(Weddings/Partnerships & Funerals/Memorials)
humanist.org.uk/clarehansonkahn/
Karen Partridge:
(Weddings/Partnerships & Funerals/Memorials)
humanist.org.uk/karenpartridge/
Rachel Buchanan: (Namings)
rachelonthehill@gmail.com
humanist.org.uk/
Ann Rippin: (Namings)
ann.rippin@gmail.com
humanist.org.uk/annrippin/