Top 10 Mutual Fund Companies in UK
SUMMARY
The UK has an investment industry. Many mutual fund companies provide funds to individual investors, families and institutions. These mutual fund companies manage money by putting it into assets such as shares, bonds and other financial instruments. Investors choose mutual fund companies based on their goals, how long they want to invest and how much risk they are willing to take.
Mutual fund companies give types of investment options. Some mutual fund companies focus on UK and international shares. Others invest in government bonds, corporate bonds, property or a mix of assets. There are also -asset funds for investors who want to spread their money across many kinds of investments.
Many fund managers work across the UK giving people options that match their investment needs. Liontrust Asset Management, Rathbones, Margetts Fund Management, UBS Asset Management and Columbia Threadneedle Investments are among the mutual fund companies in this market. Other mutual fund companies, such as Man Group, First Sentier Investors, Premier Milton, Ninety One and TrinityBridge provide a variety of investment strategies and fund products.
This article looks at ten mutual fund companies that operate in the UK. It covers their backgrounds, the services they offer and their main fund products. Knowing what each mutual fund company does helps readers understand the UK’s investment market and the many fund management services that are available.
1. Margetts Fund Management
Margetts Fund Management is an United Kingdom company that has a long history in investment services. The history of the company goes back further than the company itself. The company that came before Margetts Fund Management started offering portfolio management services in 1981.The company was created in 2001.
| Founded: 2001 as Margetts Fund Management Limited |
| Headquarters: Birmingham, England |
| UK-domiciled fund assets: Approximately £14.34 billion (May 2026) |
| Latest Revenue: Not publicly disclosed here |
| Latest Net Income/PAT: Not publicly disclosed here |
| Main Products/Services: Multi-manager funds, risk-rated funds and fund-management services |
The company is known for risk-rated funds and fund-of-funds strategies. By choosing only individual shares or bonds a fund-of-funds approach puts money into other funds. This can allow investors to get access to investment managers and different types of assets through one product.
Margetts reported that it reached £10 billion in assets under management in 2025. Its presence in the Investment Associations UK-domiciled fund data makes it one of the names in this list of alternative companies. The company’s own business revenue should not be mixed up with the value of the investments it manages.
2. Liontrust Asset Management
Liontrust is a known UK investment-management group that gives actively managed funds to individual investors and professional investors. Its range of funds covers asset classes and investment objectives so investors can choose from more than one type of portfolio.
| Founded: 1995 |
| Headquarters: London, England |
| UK-domiciled fund assets: Approximately £15.99 billion (May 2026) |
| Latest Revenue: See the group’s FY2026 results; figures depend on the reporting measure used |
| Latest Net Income/PAT: Statutory profit after tax should be checked against the full FY2026 report |
| Main Products/Services: Equity funds, fixed-income funds, multi-asset funds and investment-management services |
The company has built its business around investment management. In reality this means that fund managers pick investments based on research and their investment approach of simply copying a market index. The results can be different from the market and active management does not always lead to better returns.
Liontrust shared its results for the year ending 31 March 2026 in June 2026. The company reported a profit of £123 million and an adjusted profit before tax of £30.5 million. These are measures: gross profit is not the same as revenue or net income. People who are comparing fund companies should use the financial measure and same reporting period whenever they can.
3. Rathbones
Rathbones brings together investment management with wealth-management services. Its fund-management business offers unit trusts and other investment options while the larger group also works with individuals, families, charities and institutions.
| Founded: 1989 for the current asset-management legal entity |
| Headquarters: London, England |
| UK-domiciled fund assets: Approximately £15.49 billion (May 2026) |
| Latest Revenue: Group operating income of £923.3 million (FY2025) |
| Latest Net Income/PAT: Group profit after tax of £112.3 million (FY2025) |
| Main Products/Services: Unit trusts, investment funds, wealth management and financial planning |
The group is important for investors who want managed funds but it is important to know that this is not the same as its broader wealth-management business. Its reported financial results cover the group, not just its mutual funds.
For the year ending December 2025 Rathbones reported operating income of £923.3 million and profit after tax of £112.3 million. These numbers show the finances of the business; they are not the amount of money invested in its funds. Its presence in the Investment Associations UK-domiciled fund data also shows its role as a fund manager.
4. UBS Asset Management
UBS Asset Management is the investment-management part of the global financial services company UBS. It serves investors and individual clients with a wide range of investment strategies.
| Founded: Part of UBS, whose history dates to 1862 |
| Headquarters: Zurich, Switzerland; UK investment operations include London |
| UK-domiciled fund assets: Approximately £11.75 billion (May 2026) |
| Latest Revenue: UK fund-management entity revenue not separately disclosed here |
| Latest Net Income/PAT: UK fund-management entity net income not separately disclosed here |
| Main Products/Services: Equity funds, bond funds, index strategies and multi-asset investments |
Its funds cover areas such as shares, fixed income and index-based investing. Index strategies aim to match a selected market index while managed funds give investment managers more freedom to choose what to buy and sell. The choice can affect fees, risk and how closely a fund follows its benchmark.
The UK-domiciled fund figure mentioned here refers to funds that are registered in the UK not the total assets UBS manages globally. UBS works in markets so its global business figures should not be considered as revenue earned by its UK fund-management entity.
5. Columbia Threadneedle Investments
Columbia Threadneedle Investments manages money for investors, financial advisers, companies and institutions. Its UK offering includes managed investment strategies across several asset classes.
| Founded: The current business brings together investment-management operations with different histories |
| Headquarters: London, England, for its UK operations |
| UK-domiciled fund assets: Approximately £11.51 billion (May 2026) |
| Latest Revenue: UK fund-management entity revenue not separately disclosed here |
| Latest Net Income/PAT: UK fund-management entity net income not separately disclosed here |
| Main Products/Services: Equity funds, bond funds, multi-asset funds and responsible-investment strategies |
The firm has access to research and investment teams that work in markets. This is important for funds that invest outside the UK, where managers need to evaluate industries, economies and currencies.
Its global assets under management are much larger than the UK-domiciled fund figure shown in this list. The two numbers measure things: one reflects the overall business while the other focuses on funds based in the UK. Its UK entity’s revenue and net income should not be assumed from the global assets it manages.
6. Man Group
Man Group has a history in financial markets and now runs as an active investment-management business. Its strategies include only investments as well as alternative approaches that can use more complex methods to achieve its goals.
| Founded: 1783 |
| Headquarters: London, England |
| UK-domiciled fund assets: Approximately £10.12 billion (May 2026) |
| Latest Revenue: Core net revenue of US$1.398 billion (2025) |
| Latest Net Income/PAT: A directly comparable net-income figure is not stated here |
| Main Products/Services: Active investment strategies, equity and bond funds, systematic strategies and alternative investments |
The company is known for investment strategies, which use data-driven processes alongside discretionary strategies where investment teams use research and judgment. Its business serves clients as well as investors who use its investment products.
Man Group reported core revenue of US$1.398 billion for 2025. This is the groups reported measure, not the revenue of its UK fund-management subsidiary. Its wide range of investments means that it should not be seen as a mutual-fund provider only; alternatives are also a big part of the business.
7. First Sentier Investors
First Sentier Investors is an investment manager with specialist teams covering different markets. Its capabilities include equities, global listed infrastructure, property securities and fixed-income investments.
| Founded: Business began in 1988 |
| Headquarters: Global operations; London is one of its offices |
| UK-domiciled fund assets: Approximately £8.23 billion (May 2026) |
| Latest Revenue: UK fund-management entity revenue not separately disclosed here |
| Latest Net Income/PAT: UK fund-management entity net income not separately disclosed here |
| Main Products/Services: Equities, fixed income, listed infrastructure and property securities |
The business started in Australia in 1988. Has since grown into a global investment-management group. It was called First State Investments in markets before it changed its name to First Sentier Investors in 2020. The wider group was rebranded as First Sentier Group in 2025.
Its specialist structure means that different teams focus on their markets and investment approaches. For investors this offers access to funds with goals but each fund still needs to be assessed on its own fees, holdings, risk level and performance record.
8. Premier Miton
Premier Miton was created when Premier Asset Management Group and Miton Group joined together in 2019. Both businesses had histories going back to the 1980s bringing together investment teams and areas of expertise.
| Founded: Formed in November 2019 through a merger |
| Headquarters: UK investment-management operations |
| UK-domiciled fund assets: Approximately £7.49 billion (May 2026) |
| Latest Revenue: Use the latest Premier Miton Group annual results for the reported figure |
| Latest Net Income/PAT: Use the latest annual report for the relevant profit measure |
| Main Products/Services: Equity funds, fixed-income funds, multi-asset funds and absolute-return strategies |
The company focuses on investment management. Its range includes equities, fixed income, multi-asset portfolios and absolute-return strategies. These products can have aims: some aim for long-term capital growth while others focus on income or managing risk across a mix of assets.
Premier Miton’s UK-domiciled fund assets give an idea of its position in the local market. That figure should not be mixed up with the group’s revenue, which comes from the business reporting and is affected by its management-fee income, costs and other factors.
9. Ninety One
Ninety One is an investment manager that started in South Africa. The company was created in 1991. Operates in several international markets, including the UK.
| Founded: 1991 |
| Headquarters: London and Cape Town |
| UK-domiciled fund assets: Approximately £7.08 billion (May 2026) |
| Latest Revenue: UK fund-management entity revenue not separately disclosed here |
| Latest Net Income/PAT: UK fund-management entity net income not separately disclosed here |
| Main Products/Services: Global equities, emerging-market investments, fixed income and credit |
It offers strategies in equities, fixed income, credit and emerging markets. Emerging-market funds invest in countries whose economies and financial markets may have growth opportunities and risks from more developed markets. Currency changes and political or economic changes can also affect returns.
Ninety Ones UK fund-management company is based in London while the wider group operates globally. The UK-domiciled fund figure in this article refers to funds registered in the UK, not all the assets managed by the group.
10. TrinityBridge
TrinityBridge is a UK wealth-management and investment business that used its name in 2025. Its origins go back to 1991. Its business has grown through acquisitions over the years.
| Founded: 1991, under its earlier business structure |
| Headquarters: UK, with a London headquarters opened in 2026 |
| UK-domiciled fund assets: Approximately £6.03 billion (May 2026) |
| Latest Revenue: Not publicly disclosed here |
| Latest Net Income/PAT: Not publicly disclosed here |
| Main Products/Services: Portfolio funds, managed funds, bond funds, sustainable funds and wealth-management services |
Its fund range includes -asset portfolio funds, managed funds, bond funds and sustainable investment options. Some products focus on a mix of asset classes while others focus on areas such as bonds. This gives advisers and investors ways to build portfolios depending on their goals and their tolerance for risk.
TrinityBridge is not a mutual-fund manager; it also offers financial planning and wealth-management services. Its inclusion shows its reported presence in UK-domiciled funds, not a claim that it’s among the largest firms by global assets, under management.
Top 10 Mutual Fund Companies in UK: Comparison
| Rank | Company | Founded | UK-domiciled fund assets (May 2026) | Main Products/Services |
| 1 | Margetts Fund Management | 2001 | £14.34 billion | Risk-rated and multi-manager funds |
| 2 | Liontrust Asset Management | 1995 | £15.99 billion | Equity, fixed-income and multi-asset funds |
| 3 | Rathbones | 1989* | £15.49 billion | Unit trusts and wealth management |
| 4 | UBS Asset Management | UBS history dates to 1862 | £11.75 billion | Equity, bond, index and multi-asset funds |
| 5 | Columbia Threadneedle Investments | Different business histories | £11.51 billion | Active equity, bond and multi-asset funds |
| 6 | Man Group | 1783 | £10.12 billion | Active, systematic and alternative strategies |
| 7 | First Sentier Investors | 1988 | £8.23 billion | Equities, fixed income and infrastructure |
| 8 | Premier Miton | 2019 | £7.49 billion | Equity, bond and multi-asset funds |
| 9 | Ninety One | 1991 | £7.08 billion | Global equities, credit and emerging markets |
| 10 | TrinityBridge | 1991 | £6.03 billion | Managed, bond, sustainable and portfolio funds |
How Should You Choose a Mutual Fund Company in the UK?
Start by deciding what you want your mutual fund to do. A growth mutual fund that looks for long‑term growth may hold shares. An income mutual fund may focus on dividends or bonds. A multi‑asset mutual fund spreads money across asset types but diversification does not stop the risk of losses.
Compare the fund itself, not just the name of the company. Look at the charges, the investment objective, the risk rating, the benchmark past performance over several periods and the types of assets the mutual fund holds. Check whether the mutual fund is available through your investment platform and whether you need an ISA or another account.
Past performance cannot guarantee returns. Before investing in a fund read the mutual fund factsheet and the key investor information. Consider whether the mutual fund matches your time horizon and your ability to tolerate losses. If you are unsure, regulated financial advice may help.
Conclusion
The UK mutual‑fund market includes investment groups, specialist managers and firms that combine fund management with wealth planning. The ten names above cover investment approaches, from risk‑rated multi‑manager mutual funds to global equities, fixed income and alternative strategies.
A larger fund manager is not automatically the choice for every investor. Charges, investment objectives, risk and the mutual fund’s record matter more than the company’s name alone. Use the list as a starting point for research rather than a personal investment recommendation.
FAQs
1. What are the top mutual fund companies in the UK?
The UK has several established fund managers, including Margetts Fund Management, Liontrust, Rathbones, UBS Asset Management, Columbia Threadneedle Investments, Man Group, First Sentier Investors, Premier Miton, Ninety One, and TrinityBridge. The most suitable provider depends on the specific fund, its costs, investment strategy, and the investor’s financial goals.
2. What is a fund called in the UK?
UK investors commonly encounter unit trusts and Open-Ended Investment Companies (OEICs). Both structures pool money from multiple investors and invest it according to a defined objective. However, their legal structures differ, so investors should review the fund’s documentation to understand how it operates.
3. Are fund assets the same as company revenue?
No, assets under management (AUM) and company revenue are different financial measures. AUM represents the investments a firm manages on behalf of clients, while revenue is the income the business earns from management fees and other activities. A company may manage billions of pounds in assets without generating the same amount in revenue or profit.
4. Are these companies ranked by investment performance?
No, this list uses reported fund assets as an indicator of market presence alongside an editorial selection of fund managers. It does not rank companies by investment returns, risk-adjusted performance, or customer satisfaction. Investors should assess individual funds using comparable time periods, relevant benchmarks, fees, and risk measures.
5. Can I invest directly with these companies?
That depends on the fund manager and the specific mutual fund. Some companies offer direct investment options, while others distribute their funds through investment platforms, financial advisers, or other providers. Investors should check the fund’s official documentation to understand the purchase process, eligibility requirements, and applicable charges.
6. Are actively managed funds better than index mutual funds?
Neither approach is always better, as the right choice depends on an investor’s objectives, costs, and risk tolerance. Actively managed funds rely on a manager’s research and investment decisions, while index funds aim to track a particular market index. Active funds may charge higher fees, and neither approach guarantees positive returns.
7. What should I check before investing in a UK fund?
Before investing, review the fund’s investment objective, holdings, ongoing charges, risk information, historical performance, and benchmark. Consider whether the fund matches your financial goals, investment horizon, and tolerance for losses. Read the relevant fund documents carefully and remember that investment values can fall as well as rise.
8. Are funds protected from market losses?
No, mutual funds are not generally protected from market losses. Their value can decline when the assets they hold lose value. Although diversification can reduce dependence on individual investments, it cannot eliminate market risk. Investors should understand the fund’s risk profile and consider whether they can afford potential losses before investing.
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