Aperture Mining’s KSM Staking Pool features Auto Compounding and/or Withdrawal
Look for Pool #148 on Polkadot.js:
https://cloudflare-ipfs.com/ipns/kusama.dotapps.io/#/staking/pools
Our pool nominates only high return, reliable validators. In addition, the pool will automatically compound your rewards or automatically claim your reward so you don’t have to. (Just set your permissions/preferences when you join the pool)
On-chain KSM staking pools are non-custodial so you are always in full control of your tokens.
Try the Staking Dashboard for easy setup: https://staking.polkadot.network/#/pools