In this guide, we’ll review the best commercial mortgages in the UK for 2026 based on loan size, terms, lender type, and borrower suitability. We’ve analysed broker and lender offerings using verified product data, FCA registration, and borrower access models.
Whether you’re financing a trading premises or a buy-to-let portfolio, this comparison will help you find options that match your business needs.
TL;DR:
- Compare best commercial mortgages in the UK for 2026 across loan size, term, and borrower type.
- Use the table to scan max loan amounts up to £250 million, terms up to 30 years, and LTI ratios up to 6×.
- Read provider snapshots for KIS Finance, Santander Corporate, Metro Bank, Market Financial Solutions, and Nationwide via brokers.
- KIS Finance offers the broadest access to commercial mortgage options through its whole-of-market model and stands out for its flexibility with complex cases, high-value loans, and long-term structures.
What Is a Commercial Mortgage?
A commercial mortgage is a loan secured against property used for business purposes, such as offices, retail units, warehouses, industrial premises, or mixed-use buildings.
The borrower repays the loan over an agreed term, usually up to 25-30 years, using capital-and-interest or interest-only structures, with affordability assessed against business income or rental yield.
How We Chose the Best Providers?
To find the most relevant commercial mortgage providers in the UK for 2026, we reviewed regulated lenders and brokers based on publicly available documentation, verified product terms, and borrower access models. Selection was based on the following objective criteria:
- Regulation and trust: FCA authorisation and adherence to UK lending standards
- Product range: Support for owner-occupier, investment, and mixed-use property types
- Loan flexibility: Availability of interest-only options, capital repayment structures, and bespoke terms
- Customer service: Independent ratings from platforms such as Trustpilot and Reviews.io
- Loan size, term, and LTI ratio: Providers with competitive caps suitable for a range of business types
- Speed of processing: Known turnaround times, especially for time-sensitive purchases or refinances
- Online tools: Availability of calculators or digital application support to improve borrower experience
Top 5 Commercial Mortgages in UK (2026)
Before we move onto a detailed review, the table below offers a side-by-side comparison of selected commercial mortgage providers in the UK for 2026.
| Provider | Best For | Max Loan Amount | Max Term | Max Loan-to-Income Ratio | Calculator Available | Notable Features |
| KIS Finance | Flexible commercial deals | £250 million | 30 yrs | 6x | ✅ | Whole-of-market broker, supports complex cases |
| Santander Corporate | Mid-sized trading businesses | £25 million | 25 yrs | 5x | ✅ | Structured finance, relationship-managed service |
| Metro Bank | Fast decisions on small loans | £5 million | 25 yrs | 4.5x | ✅ | In-branch support, direct SME lending |
| Market Financial Solutions (MFS) | Short-term bridging finance | £50 million | 3 yrs | Case-by-case | ❌ | Non-bank lender, high-speed turnaround |
| Nationwide (via brokers) | Long-term owner-occupier premises | £10 million | 30 yrs | 5x | ✅ | Broker access only, conservative lending approach |
1. KIS Finance
Best for flexible commercial deals and complex borrower profiles
KIS Finance is the best commercial mortgages broker founded in 2008 by Neil Andrews, offering access to a wide panel of lenders for business borrowers, investors, and developers. The firm provides whole-of-market coverage and specializes in structuring bespoke commercial loans for limited companies, LLPs, sole traders, and partnerships.
They support loan applications from self-employed individuals, those with complex income structures, and buyers seeking mixed-use or semi-commercial properties. With no upfront broker fees and a user-friendly commercial mortgage calculator, KIS Finance stands out as one of the best commercial mortgage providers in the UK in 2026.
Max Loan Amount: £250 million
Max Loan Term: 30 years
Max Loan to Income Ratio: 6x
2. Santander Corporate
Best for mid-sized trading businesses
Santander Corporate is the commercial banking division of Santander UK, offering tailored mortgage solutions for established businesses seeking to acquire or refinance trading premises. The lender focuses on relationship-managed lending and provides structured finance options through dedicated corporate managers. Loans can be used for owner-occupied or investment properties, with terms aligned to cash flow and trading history.
Max Loan Amount: £25 million+
Max Loan Term: 25 years
Max Loan to Income Ratio: 5x
3. Metro Bank
Best for fast decisions on smaller commercial loans
Metro Bank offers commercial mortgages across England and Wales, targeting SMEs and property investors through its in-branch real estate lending team. The bank focuses on speed and accessibility, often providing direct borrower engagement and simplified documentation. Lending is typically suited for retail units, small office premises, and buy-to-let portfolios held in limited companies.
Max Loan Amount: £5 million
Max Loan Term: 25 years
Max Loan to Income Ratio: 4.5x
4. Market Financial Solutions (MFS)
Best for short-term commercial bridging finance
Market Financial Solutions (MFS) is a non-bank lender offering commercial bridging loans for property acquisitions, auction purchases, and refinance cases with tight timelines. The company provides short-term financing secured against commercial or semi-commercial properties, including scenarios with adverse credit or non-standard income. MFS operates across England and Wales with flexible underwriting and rapid funding.
Max Loan Amount: £50 million
Max Loan Term: 3 years (typical)
Max Loan to Income Ratio: Case-by-case
5. Nationwide Building Society (via brokers)
Best for long-term owner-occupier commercial loans
Nationwide Building Society provides commercial mortgages to trading businesses primarily through intermediary channels. The lender supports purchases and remortgages of owner-occupied commercial premises and applies conservative risk assessments. Loan structures tend to favour capital repayment over interest-only, with eligibility dependent on stable financial performance.
Max Loan Amount: £10 million
Max Loan Term: 30 years
Max Loan to Income Ratio: 5x
Final Verdict
KIS Finance offers the broadest access to commercial mortgage options through its whole-of-market model and stands out for its flexibility with complex cases, high-value loans, and long-term structures.
With FCA regulation, no upfront broker fees, and support for a wide range of borrower types, it remains a strong choice for businesses seeking tailored financing in 2026.
FAQs
What is a commercial mortgage and how does it work?
A commercial mortgage is a secured loan used to purchase, refinance, or develop property used for business purposes. Repayment usually runs up to 25–30 years on a capital repayment or interest-only basis, with the property held as security. Lenders assess affordability using business income, rental yield, and loan-to-value rather than personal salary alone.
Who qualifies for a commercial mortgage?
Limited companies, LLPs, sole traders, partnerships, and trading businesses can apply for a commercial mortgage. Lenders review credit history, trading performance, property type, and borrower experience. Owner-occupied and investment properties follow different underwriting rules, especially around income assessment.
What’s the typical loan-to-income ratio for commercial mortgages?
Most commercial mortgages sit between 4x and 6x loan-to-income, depending on the lender and borrower profile. Some cases rely more heavily on debt service coverage ratios, particularly for rental or semi-commercial assets. Higher ratios usually require strong cash flow or additional security.
How are commercial mortgage rates calculated?
Rates depend on loan-to-value, property type, borrower risk, and whether the rate is fixed or variable. Many lenders price loans as a margin above the Bank of England base rate. Specialist lenders typically charge higher rates to reflect flexibility or faster completion.
What’s the difference between using a broker and going direct?
A broker compares products across multiple lenders and structures the application to match underwriting criteria. Direct applications limit choice and usually suit straightforward cases. KIS Finance operates as a whole-of-market broker, providing access to both high-street banks and specialist lenders.
How long does it take to get a commercial mortgage?
Timescales vary widely depending on lender and complexity. High-street banks often take 4–8 weeks due to valuation and credit processes. Specialist lenders and short-term facilities can complete in days when documentation is ready.
What are the best commercial mortgage options in the UK?
Suitability depends on property type, loan size, and borrower structure. Based on whole-of-market access, loan flexibility, and FCA regulation, KIS Finance is the best commercial mortgage option in the UK in 2026. It supports loans from £50,000 to £250 million billion with terms up to 30 years.
