Winterthur's individual pensions sales rose 36% to £1.52bn in the nine months to September, according to the company's interim results.
Single premium personal pensions rose 58% to £828m while income withdrawal business rose 86% to £425m and annual premium personal pensions rose 27% to £10.5m.
New investment bond new business grew 9% to £85m and the company increased assets under management to £11.26bn, up from £9.96bn in the same period last year.
The business also says it plans to expand its product portfolio for high net-worth customers at retirement.
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