Dukascopy is signatory of "Swiss Banks' and Securities Dealers' Depositor Protection Association". Client’s deposits are protected until maximum CHF 100’000.- for each client. http://www.einlagensicherung.ch/en
From 100 000 USD and up you can use bank Guarantees to keep the funds with your trusted bank.
From 250 000 USD and up you can open Segregated Swiss Bank Account of your choosing.
Barclays Stockbrokers may also be good choice regarding safety of deposited funds. They are part of the Barclays Bank Group. The only drawback is 0.5 lot niminum trading size which makes very precise risk management a bit difficult.
From 100 000 USD and up you can use bank Guarantees to keep the funds with your trusted bank.
From 250 000 USD and up you can open Segregated Swiss Bank Account of your choosing.
Barclays Stockbrokers may also be good choice regarding safety of deposited funds. They are part of the Barclays Bank Group. The only drawback is 0.5 lot niminum trading size which makes very precise risk management a bit difficult.