Third Financial Integrates with Intelliflo to Power Cauvery’s New Wealth Proposition

Third Financial has been selected by boutique wealth manager Cauvery to provide custody and platform services through its Model B proposition. This partnership, which leverages a deep integration with intelliflo, highlights the increasing demand among high-net-worth advisory firms for seamless, technology-led environments that unify advice, custody, and discretionary investment management.

What was announced

Cauvery, a boutique wealth advisory firm launched last year to serve high-net-worth clients, has appointed Third Financial to provide custody and platform services. The partnership utilizes Third Financial’s Model B proposition, a service designed for discretionary investment managers and advisory firms that require specialist operational support while maintaining control over their own client propositions. This move follows Cauvery’s recent establishment of a discretionary bespoke investment offering.

A central feature of the arrangement is the existing two-way integration between Third Financial and intelliflo. This connected technology environment allows client data to move between the intelliflo office software and Third Financial’s platform without manual re-keying, covering essential functions such as onboarding, valuations, and fee management. This integration is intended to reduce administrative overhead and improve data accuracy for the firm's advisory teams.

Cauvery’s management team includes founder Simon Blowey, previously a senior figure at RBC Brewin Dolphin, and Managing Director Andy McGlone, who formerly served as CEO of Quilter Cheviot. This mandate is one of five new client wins for Third Financial so far this year, joining other firms such as Lulworth and Harris Rose. Third Financial’s technology is currently utilized by more than 60 firms, with the company now administering over £50 billion in assets under administration (AUA).

"When launching our discretionary bespoke proposition, we were looking for a modern technology-led platform that could help us deliver the best service for our clients. Third Financial stood out as the clear choice to deliver the foundation on which to build our client proposition, as well as being a long-term strategic partner who will support our future growth plans."

Andy McGlone, Managing Director at Cauvery

The companies involved

Third Financial is a technology-led platform specialist and part of the Nucleus Financial group. The firm provides bespoke platform and custody solutions specifically tailored for the discretionary investment management and wealth management sectors. Its parent company, Nucleus, is a prominent name in the UK investment platform market, providing a range of services to financial advisers.

intelliflo, which provides the core advice technology for this partnership, is owned by the global investment firm Carlyle. It is a major provider of front-to-back office software for financial advisers in the UK, with its "intelliflo office" platform serving as a primary ecosystem for advice firms. The company has recently focused on expanding its ecosystem through acquisitions and deeper integrations with third-party research and investment tools.

Cauvery is an independent wealth manager focused on the high-net-worth segment. Launched in 2023, the firm has quickly built a leadership team composed of veterans from some of the UK’s largest wealth management institutions. By adopting a Model B arrangement, Cauvery can leverage Third Financial’s regulatory and operational infrastructure for custody and settlement, allowing the boutique firm to focus on its core investment management and client service functions without the overhead of building its own proprietary back-office systems.

What FF News has reported before

FF News has previously reported on Third Financial’s expansion within the UK wealth sector, notably in Third Financial Secures Strategic Custody Partnership with Lulworth Investment Partners. Our coverage of the broader advice technology landscape has also highlighted the evolution of the intelliflo ecosystem. This includes intelliflo Acquires Mabel Insights to Embed Whole-of-Market Research into Advisory Workflow and FE fundinfo Integrates Nexus with intelliflo to Reclaim 192 Hours for Financial Advisers. Furthermore, our analysis in AI Adoption Among UK Financial Advisers Surges to 74% as Efficiency Gaps Persist noted that while technology usage is surging, efficiency gaps remain a primary concern for the industry—a challenge that integrated platform solutions like the one chosen by Cauvery aim to address.

What this means

The selection of Third Financial by a boutique firm like Cauvery underscores a significant trend: the "unbundling" of the wealth management value chain. Modern firms are increasingly rejecting monolithic, closed-loop systems in favor of specialist providers that offer deep integration. This puts significant pressure on traditional, legacy platforms that have been slow to open their APIs to third-party advice software. For the industry, this deal highlights that operational control and data fluidity are now as important as the underlying investment products. The open question for the sector is whether these integrated "Model B" solutions will eventually become the default standard for all but the largest institutional wealth managers.