The managed portfolio service, which offers six risk-rated models, will be available through external platform providers including Ascentric, Novia, Transact and Verbatim.
Standard Life made the decision to include the portfolios as a “quality investment choice”.
Mickey Morrissey, head of distribution at Smith and Williamson said: “We are delighted that Standard Life has made our managed portfolio service available through its wrap platform.
“This announcement means that more intermediaries will be able to access our models and demonstrates our commitment to working with partners to help grow our business.”
The models are actively managed and built using a range of investment tools including open-ended funds, investment companies and exchange traded funds (ETFs).
Graham Dow, head of private client partnerships at Standard Life added: “We welcome the addition of Smith &Williamson’s managed portfolio service to the Wrap platform, and we look forward to working with them.
“We aim to offer advisers quality investment choices to deliver the best possible outcomes for their clients so are delighted to add to the range.”