Private Banks vs. Specialist Lenders: Who Offers the Best Securities Backed Lending?

Wesley Ranger • 25 August 2025
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Understanding which institutions deliver the most effective securities backed lending for high-net-worth clients

As we move through 2026, securities backed lending (SBL) continues to gain traction among high-net-worth individuals, family offices, entrepreneurs, and international investors seeking liquidity without disrupting long-term investment strategies.


Despite expectations of a more stable interest rate environment, many borrowers remain cautious about disposing of investment assets that have benefited from recent market performance. At the same time, lenders are competing aggressively for affluent clients, creating greater availability of structured lending solutions secured against investment portfolios.


Securities backed lending allows borrowers to unlock capital by pledging eligible assets such as equities, bonds, mutual funds, ETFs, and managed portfolios as collateral. Rather than liquidating investments and potentially triggering tax consequences or disrupting portfolio growth, clients can access liquidity while maintaining ownership of their underlying assets.


The question for many borrowers is where to source these facilities. While private banks remain dominant providers of SBL, specialist lenders have continued to expand their presence, offering flexibility and execution speed that traditional institutions sometimes struggle to match.


Understanding the differences between these two lending models is essential when selecting the most appropriate solution.


The Role of Private Banks in Securities Backed Lending


Private banks continue to be the most established providers of securities backed lending in 2026.


For clients who already maintain investment portfolios with major private banking institutions, SBL is often viewed as a natural extension of broader wealth management services. The lender already has visibility over the portfolio, understands the client's overall financial position, and can often structure facilities efficiently.


One of the primary advantages of private banks is pricing. Because SBL is frequently viewed as part of a wider client relationship, banks are often prepared to offer attractive terms to retain assets under management and strengthen long-term relationships.


Private banks also tend to be comfortable with substantial lending requirements, particularly for prime residential property acquisitions, estate planning strategies, business investments, and other wealth-related objectives.


However, private banks generally remain more conservative than specialist lenders. They often require assets to be held under their custody arrangements and may impose restrictions on acceptable collateral types. Lending decisions can also involve multiple internal stakeholders, including risk committees, credit teams, and portfolio specialists.


For borrowers with straightforward circumstances and established banking relationships, private banks often represent the most cost-effective route.


The Continued Growth of Specialist Lenders


Specialist lenders have become an increasingly important part of the SBL market.


Over recent years, these institutions have identified opportunities where private banks may be unwilling or unable to provide suitable solutions. As a result, they have built strong reputations for flexibility and speed.


Many specialist lenders are prepared to consider more concentrated portfolios, complex ownership structures, offshore entities, trusts, and international borrowers. This broader risk appetite enables them to support transactions that may fall outside conventional private banking criteria.


Speed remains one of their strongest advantages. In situations involving property acquisitions, development opportunities, or time-sensitive commercial transactions, specialist lenders can often deliver approvals significantly faster than traditional institutions.


This agility is particularly valuable when borrowers need certainty of funding within compressed timescales.


The trade-off is generally cost. Specialist lenders typically price facilities above private bank equivalents due to the increased complexity and risk profile of the transactions they support.


Nevertheless, many borrowers view this additional cost as acceptable when flexibility and execution speed are critical.


Comparing Private Banks and Specialist Lenders in 2026


The choice between private banks and specialist lenders is rarely a simple question of cost.


Private banks are generally best suited to borrowers with diversified portfolios, strong existing relationships, and sufficient time to navigate traditional underwriting processes.


Specialist lenders tend to be more appropriate where borrowers require rapid execution, possess unconventional assets, or need a more flexible approach to collateral and facility structure.


A family office with a globally diversified investment portfolio may achieve highly competitive terms through an established private banking relationship.


Conversely, an entrepreneur with a concentrated shareholding position may find that specialist lenders provide significantly greater flexibility despite higher pricing.


Neither model is inherently superior. Each serves a distinct segment of the market and can deliver substantial value when matched appropriately to borrower circumstances.


Risks Borrowers Should Understand


Although SBL can be an effective liquidity tool, borrowers must understand the risks involved.


The most significant risk is market volatility. Because facilities are secured against investment assets, significant declines in portfolio value can trigger margin calls or requirements for additional collateral.


Private banks and specialist lenders manage this risk differently. Some institutions may require immediate corrective action, while others provide more flexibility depending on the circumstances.


Borrowers should also consider concentration risk, liquidity of underlying assets, facility covenants, and the potential impact of borrowing costs on overall investment returns.


Understanding these factors before proceeding is essential.


How Family Offices and HNW Borrowers Are Using SBL in 2026


In 2026, securities backed lending is being used for far more than simple liquidity generation.


Family offices increasingly utilise SBL to bridge timing gaps between asset sales and acquisitions, fund property investments, support business opportunities, and enhance overall capital efficiency.


International investors continue to use SBL to facilitate UK property purchases without liquidating global portfolios.


Entrepreneurs frequently deploy SBL facilities to access working capital while retaining ownership of equity positions in their businesses or investment portfolios.


Rather than viewing SBL solely as a lending product, sophisticated borrowers increasingly see it as a strategic wealth management tool.


Outlook for the Market


The outlook for securities backed lending remains positive throughout 2026.


Private banks continue to compete aggressively for high-net-worth relationships, while specialist lenders are expanding their product offerings and increasing lending capacity.


As wealth preservation, tax efficiency, and capital flexibility remain priorities for affluent borrowers, demand for SBL is expected to remain strong.


The growing sophistication of both lenders and borrowers means facilities are becoming increasingly tailored to individual circumstances, creating more options than ever before.


How Willow Private Finance Can Help


Willow Private Finance works with a broad range of private banks, specialist lenders, family office funding providers, and structured finance institutions across the UK and internationally.


As an independent intermediary, we help clients assess the most appropriate route based on their portfolio composition, borrowing objectives, timing requirements, and wider wealth planning considerations.


Whether the requirement involves a straightforward facility through an established private bank or a more complex transaction requiring specialist funding expertise, we help borrowers navigate the market and identify suitable solutions.


Frequently Asked Questions


What Is Securities Backed Lending?

Securities backed lending allows borrowers to access capital by using investment assets such as shares, bonds, funds, or managed portfolios as collateral.


Do I Need to Sell My Investments?

No. One of the main advantages of SBL is that borrowers can retain ownership of their investments while accessing liquidity.


Are Private Banks Always Cheaper?

Not always, but private banks often provide more competitive pricing where clients maintain substantial assets and broader banking relationships with the institution.


Why Would Someone Use a Specialist Lender?

Specialist lenders often offer greater flexibility, faster execution, and broader acceptance of non-standard collateral or ownership structures.


What Happens If Portfolio Values Fall?

Depending on facility terms, the lender may request additional collateral, partial repayment, or other measures to restore agreed loan-to-value levels.


Is Securities Backed Lending Suitable for Property Purchases?

Many borrowers use SBL facilities to support property acquisitions, development opportunities, and other real estate transactions where rapid access to capital is required.

Knowledge • Integrity • Access


About the Author: Wesley Ranger


Wesley Ranger is the Co-Founder and Director of Willow Private Finance. With more than 20 years of experience advising high-net-worth clients, developers, and international investors, Wesley specialises in structuring bespoke property and investment finance solutions. His expertise in securities backed lending, private bank relationships, and alternative lending makes him a trusted partner for clients seeking tailored access to liquidity.



Important Notice

The information contained in this article is for general guidance only and does not constitute financial or investment advice. Securities backed lending facilities are subject to lender criteria, portfolio eligibility, and market conditions. Borrowers should be aware of risks including margin calls, repayment obligations, and variations in lender terms. Always seek professional legal, tax, and financial advice before entering into any lending arrangement.