A service has not been held in Worcester since 1973, when its Jewish community stopped meeting.
The A Time to Say Thank You initiative, which began in Leeds in 2018, marks its biggest year yet.
There have been shifts in how secure many British Jews feel - and how connected they feel to the rest of the community.
Director Tom Godwin says the CIC hopes to "build a community among Jewish people who feel isolated".
Rabbi Eliezer Tunk urges Jews to "stand strong" after the antisemitic attack on Bondi Beach.
Rabbi René Pfertzel, from Maidenhead, said he felt "sadness and anger" after 15 people were killed by gunmen.
Lawmakers are considering a draft bill to end the exemption granted to ultra-Orthodox men enrolled in full-time religious study.
Set up by University of York students, the tours aims to tell "the stories that weren't being told".
Leaders in the UK's tight-knit Jewish population are asking what more can be done to keep their institutions safe.
