Quilter has made it to the top spot of the ranking of Top 100 Financial Advisers 2019.
This was a jump of of five places up from last year, when it came in at number 6.
Its award and the rest of the Top 100 was celebrated at an event last night held at the Financial Times building in London.
Quilter has been busy building up its advice business, acquiring Lighthouse in June and Charles Derby in February, and many others saw a dramatic change in their rankings.
The Financial Adviser Top 100 has changed its methodology in the past two years.
It is now based on a larger amount of data than in previous years, so that the final result is based on a truer picture than on just gross sales.
The data was created by Matrix Solutions, an ISS Market Intelligence business, and is gathered from retail sales on most platforms.
An algorithm is then applied, assessing net assets under management, and outflows over the year.
The top 10 firms are as follows: Quilter, Close Brothers Asset Management, Grant Thornton, Wilfred T Fry, Mazars Financial Planning, Charles Stanley, Progeny Wealth, St James's Place Wealth Management, Tenet and LEBC Group.
Guests played mini golf and celebrated with prosecco.