Assets under management grew 7% to £13.3bn and pre-tax profits were up 17% to £10.5m.
The firm says a “major milestone” was its acquisition of Tcam Asset Management Limited, an Edinburgh and London based asset manager with £1.1bn AUM.
Tcam provides discretionary asset management services to HNW clients.
In December 2018, the majority of Tcam's clients and assets migrated to the LLP.
Last year also saw 7IM expand into Jersey, where it opened a branch to provide services to Jersey-based clients and trust companies.
In May 2018 the firm launched its own SIPP.
As at 31 December 2018 the SIPP had assets under administration of £126mn.
Dean Proctor, chief executive officer, Seven Investment Management (7IM), said: “Last year was significant for 7IM with the acquisition and integration of Tcam as well as continued investment in technology, products and people. 2018 also saw the business extends its track record of year-on-year growth to over a decade.
“We have recently concluded a strategic review which we believe will form the basis of continued growth at 7IM, underpinned by service, innovation and performance.
“I am delighted to have joined 7IM in April this year.
“After approaching 4 months with the business, meeting many customers, clients and partners, I am excited by the opportunities in front of us and am confident that 7IM can deliver for all its stakeholders.”