Yes, clients can have more than one SIPP with InvestEngine. All your SIPP portfolios will fall under the same 'tax-wrapper' allowed to individual investors.
You can combine multiple DIY and Managed portfolios with your InvestEngine SIPPs tax wrapper. There is no maximum number of SIPP portfolios you can have on our platform.
Clients should keep thorough records and consult with a financial advisor to ensure that their investment strategy aligns with their overall financial goals and that they are compliant with pension regulations and tax rules in the UK.