You can check Laika, Vanta and A-lign, Tugboat Logic.
You can use Tugboat Logic for policy templates and external auditor.
It has a lot of templates that can give a jump start. They also have an ecosystem of consultants, auditors who are well versed with the software and SOC process.
RiskPro is an India based startup friendly pricing, US certified CPA, professional team.
These FAQs also might help: https://intercom.help/alchemistacc/en/?q=soc+2.