ThinCats
ThinCats is a UK alternative lender that arranges and provides loans to mid-sized businesses using capital from institutional investors.
Last updated August 31, 2026
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Overview
ThinCats is a United Kingdom alternative-lending brand focused on arranging business finance for small and medium-sized enterprises, particularly established and mid-sized companies that require larger or more tailored facilities than conventional high-street lending may provide. The business was launched in 2011, in the aftermath of the global financial crisis, when many banks had reduced lending to smaller companies and demand for non-bank sources of finance was increasing. ThinCats originally operated as a peer-to-business lending platform. Its model enabled individual investors to lend directly to limited companies seeking finance, creating an alternative to bank borrowing and giving investors access to business-loan returns. Over time, the brand moved away from retail peer-to-peer funding and developed an institutional-capital model. In December 2015, ESF Capital acquired a 73.4% equity stake in the business. In December 2019, ThinCats announced that future lending would be funded solely by institutional investors and that its peer-to-peer platform would enter administration. This represented a major change in both its funding base and its market positioning. The contemporary ThinCats proposition centers on direct lending and structured business funding. It supports UK companies with facilities generally described as ranging from £1 million to £15 million, although the precise terms and availability depend on borrower circumstances, credit assessment and the relevant funding programme. The stated uses of finance include working capital, refinancing existing debt, growth investment and acquisitions. ThinCats works with accountants, corporate-finance advisers and other intermediaries, and it established a nationwide business-development team in 2017 to originate and structure opportunities across the UK. The lender also serves institutional investors seeking exposure to business lending as an alternative asset class. Its funding programmes and institutional mandates have included capital associated with Waterfall Asset Management, Insight Investment, BAE Systems Pensions and British Business Investments. The company has reported institutional funding commitments totaling more than £700 million, although this figure is time-dependent and should not be treated as a current balance without a dated source. Technology and credit analytics are central to the model. In 2018 ThinCats introduced PRISM, short for Propensity and Risk Model, a data-modelling system designed to support risk pricing and help identify future funding requirements among small and medium-sized businesses. The system forms part of the lender's effort to combine specialist underwriting with data-led assessment rather than relying solely on standardized bank processes. During the COVID-19 pandemic, ThinCats became one of the first alternative lenders accredited by the British Business Bank to lend under the Coronavirus Business Interruption Loan Scheme and the Coronavirus Large Business Interruption Loan Scheme. These programmes expanded its role in government-supported business finance during an exceptional period of economic disruption. On 30 September 2025, Shawbrook Bank's parent company, Shawbrook Group plc, announced completion of its acquisition of ThinCats. ThinCats therefore sits within the Shawbrook group while retaining its identity as a specialist business-finance brand. Its overall positioning is that of a technology-enabled, institutionally funded alternative lender for UK SMEs and mid-market businesses, with an emphasis on tailored debt facilities, intermediary relationships and credit expertise.
History
ThinCats was established in 2011 as an alternative source of finance for UK companies. Its creation reflected a lending gap that became more visible after the 2008 financial crisis, when banks tightened credit standards and reduced lending to many smaller and medium-sized businesses. The original business model was peer-to-business lending: individual investors could provide loans directly to limited companies through the ThinCats platform. For borrowers, the service offered a non-bank route to funding; for lenders, it offered access to business-credit exposure as an alternative investment. The ownership and funding structure changed during the following decade. In December 2015, ESF Capital, also identified as European Speciality Finance, acquired a 73.4% equity stake in ThinCats. The company subsequently developed a larger institutional-lending operation and expanded its relationships with professional investors and funding partners. In 2017 it established a nationwide business-development team. That team worked with accountants, corporate-finance firms and other advisers to identify borrowers and help structure debt facilities, making intermediary distribution an important part of the company's origination strategy. ThinCats introduced its PRISM data-modelling system in 2018. PRISM, an abbreviation for Propensity and Risk Model, was designed to assist the lender in pricing credit risk and assessing the likely future funding needs of SMEs. The technology reflected ThinCats' attempt to differentiate its underwriting process through a combination of data analysis and specialist business lending rather than a purely standardized retail-bank model. A decisive strategic transition was announced in December 2019. ThinCats stated that all future funding would come from institutional investors and that its peer-to-peer platform would go into administration. This brought the original individual-investor marketplace model to an end and repositioned the company as an institutionally funded alternative lender. The later funding programmes and mandates named in public descriptions included arrangements involving Waterfall Asset Management, Insight Investment, BAE Systems Pensions and British Business Investments. ThinCats reported aggregate funding commitments from these and other institutional relationships exceeding £700 million, though the amount is historical and subject to change. The COVID-19 crisis gave the company a role in government-supported emergency lending. In 2020 ThinCats became one of the first alternative lenders accredited by the British Business Bank to participate in the Coronavirus Business Interruption Loan Scheme and the Coronavirus Large Business Interruption Loan Scheme. These schemes allowed eligible businesses to seek finance under government-backed arrangements and broadened the range of borrowers and facilities handled by accredited non-bank lenders. ThinCats' business-finance offering has been described as covering loans from £1 million to £15 million. Facilities may support working capital, refinancing, expansion and acquisitions. The lender focuses on UK SMEs and mid-sized businesses and uses a network of business-development staff and professional advisers to originate transactions. Its institutional side gives investors access to direct or managed exposure to UK business lending, while its borrower side emphasizes bespoke debt structures and access to capital outside the traditional banking system. On 30 September 2025, Shawbrook Group plc announced the completion of its acquisition of ThinCats. The transaction placed ThinCats within the Shawbrook group, whose broader activities include specialist banking and lending. ThinCats continues to be described as a distinct alternative-lending brand, with its historical peer-to-peer origins, institutional funding model, data-led underwriting and focus on UK business finance defining its evolution.
- 2025
Acquisition by Shawbrook Group completed
[1]Shawbrook Group plc announces completion of its acquisition of ThinCats on 30 September 2025.
- 2020
Accredited for COVID-19 lending schemes
[1]ThinCats receives British Business Bank accreditation for the CBILS and CLBILS programmes.
- 2019
Transition to institutional funding
[1]ThinCats announces that future lending will be funded exclusively by institutional investors and that its peer-to-peer platform will enter administration.
- 2018
PRISM modelling system introduced
[1]ThinCats launches PRISM, a data model intended to support risk pricing and prediction of future SME funding needs.
- 2017
Nationwide business-development team established
[1]ThinCats expands its origination capability through a nationwide team working with accountants, corporate-finance advisers and other intermediaries.
- 2015
ESF Capital acquires a majority stake
[1]ESF Capital acquires a 73.4% equity interest in ThinCats.
- 2011
ThinCats launches
[1]ThinCats begins operating as a peer-to-business lender, enabling individuals to lend to UK limited companies.
Products and positioning
A specialist, technology-enabled alternative lender for established UK SMEs and mid-sized businesses, combining tailored debt structuring with institutional funding and data-led credit assessment.
Business lending · 2011
Business loans
ThinCats provides debt facilities to UK SMEs and mid-sized businesses. Public descriptions place the typical loan range at approximately £1 million to £15 million, with the final structure determined by the borrower's financial position, purpose of borrowing and credit assessment.
Business lending
Working-capital finance
Working-capital facilities are intended to support the day-to-day liquidity needs of established businesses. ThinCats presents this type of funding as one of several uses for its tailored lending solutions.
Corporate finance
Growth and acquisition finance
ThinCats structures debt for companies pursuing expansion, investment or acquisitions. These facilities form part of its mid-market proposition and are originated with support from business advisers and corporate-finance intermediaries.
Business lending
Refinancing facilities
The lender offers refinancing as a stated use of funds, allowing eligible businesses to replace or reorganize existing borrowing through a new tailored debt facility.
Alternative investment · 2019
Institutional investment programmes
ThinCats offers institutional investors access to UK business lending through funding programmes and mandates. After 2019, institutional capital became the sole stated source of future lending, replacing the original retail peer-to-peer funding model.
Credit analytics · 2018
PRISM
PRISM, or Propensity and Risk Model, is ThinCats' data-modelling system. Introduced in 2018, it is used to support credit-risk pricing and to assess potential future funding requirements among SMEs.
Brand decisions
2025
Acquisition by Shawbrook GroupM&ABackground
ThinCats had developed into a specialist, institutionally funded business lender serving UK SMEs and mid-sized companies.
Action taken
Shawbrook Group plc completed its acquisition of ThinCats on 30 September 2025.
Aftermath
ThinCats became part of the Shawbrook group while continuing to operate as a distinct alternative-lending brand in the available reference material.
2020
Participation in government-backed COVID-19 lendingStrategyBackground
The COVID-19 crisis created exceptional demand for business liquidity and led the UK government to expand accredited lending schemes.
Action taken
ThinCats obtained accreditation from the British Business Bank to lend under CBILS and CLBILS.
Aftermath
ThinCats became part of the network of non-bank lenders able to provide government-backed emergency finance to eligible businesses.
2019
Move to institutional-only fundingStrategyBackground
ThinCats had originated as a peer-to-business platform funded by individual lenders, but it was developing a larger institutional lending operation.
Action taken
The company announced that all future lending would be sourced from institutional investors and that its peer-to-peer platform would enter administration.
Aftermath
The decision repositioned ThinCats as an institutionally funded alternative lender and ended its original retail peer-to-peer funding model.
Recent events
ThinCats secures £100 million in additional funding[2]
Reported:
UK-based lending platform ThinCats secured £100 million in additional funding, which its management plans to deploy as a senior finance line to support SMEs across the United Kingdom.
Sources2 sources
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