April 7, 2026
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Best Unsecured Business Loan Lenders for the Construction Industry

Discover the best unsecured business loan lenders tailored for the UK construction sector. Get flexible funding options to grow your construction business with ease.
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Best Unsecured Business Loan Lenders for the Construction Industry
Jesse Spence
Finance content writer / Market researcher

Jesse Spence is a Funding Research and Content Lead at Funding Agent with 4 years of experience in market research. He focuses on turning lender criteria and market insights into practical, plain-English resources that help business owners, not only, improve approval chances and choose the right type of finance but also find the right funding providers for their needs.

Best Unsecured Business Loan Lenders for the Construction Industry

For UK franchise buyers and operators, this guide compares loan periods and amounts, APRs, and terms across leading providers, with a focus on eligibility and fit. Amounts that could not be verified are left blank, prices accurate as of 2026-04-02.

1. Funding Agent

Funding Agent provides a platform to compare unsecured business loan options rapidly for UK SMEs. It is often suitable for businesses seeking straightforward finance with transparent eligibility requirements. Their service focuses on quick application processing, and funding options that usually require no collateral, offering flexibility in repayment terms.

Loan Details

  • Min Amount: £10,000
  • Max Amount: £1,000,000
  • Min APR: 4%
  • Max APR: 20%
  • Loan Duration: 3–60 months

Services & Industries

  • Finance Types: Unsecured business loans, MCA Loans, Working capital
  • Industries: UK SME's

Pros

  • fastest and easiest application process
  • No collateral required

Cons

  • lower track record, only trading 1 year

Sources: Funding Agent

2. Barclays

Barclays offers a broad range of unsecured and secured business lending products, designed for established UK businesses, including those in construction. It is suitable for borrowers looking for bank-backed finance with potentially stricter eligibility criteria. The provider focuses on longer-term loans and various repayment options with security requirements depending on the product.

Loan Details

  • Min Amount: £1,000
  • Max Amount: £100,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: 1 to 10 years

Services & Industries

  • Finance Types: Unsecured Business Loans, Secured Loans, Overdrafts
  • Industries: Various

Pros

  • Reputable
  • Wide range of products

Cons

  • Strict eligibility criteria

Sources: Source Source

3. Iwoca

Iwoca specialises in providing flexible unsecured business loans for a wide range of UK business types, including those needing short-term working capital. It is generally suitable for businesses that require quick access to funds with adaptable repayment schedules. Their offerings are known for speed and ease of application, often without requiring collateral.

Loan Details

  • Min Amount: £1,000
  • Max Amount: £1,000,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: 1 day to 24 months

Services & Industries

  • Finance Types: Unsecured Business Loans
  • Industries: Various

Pros

  • Fast approval
  • Flexible repayment

Cons

  • Short durations

Sources: Source

4. Fleximize

Fleximize offers various loans for SMEs that value personalised service and flexible arrangements. It typically suits borrowers who need adaptable payment terms and a mix of secured and unsecured lending options. The provider aims to facilitate funding efficiently while accommodating specific business requirements.

Loan Details

  • Min Amount: £5,000
  • Max Amount: £500,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: 3 to 48 months

Services & Industries

  • Finance Types: Unsecured Business Loans, Secured Loans
  • Industries: Various

Pros

  • Flexible terms
  • No early repayment fees

Cons

  • Higher rates for unsecured loans

Sources: Source

5. Portman Finance Group

Portman Finance Group specialises in tailored and sizeable unsecured business loans, suited to construction firms and other SMEs. Their loans are designed for clients who prioritise competitive pricing and flexible tenure options. Funding is often delivered quickly, with a focus on meeting distinctive business needs including asset finance.

Loan Details

  • Min Amount: £0
  • Max Amount: £2,000,000
  • Min APR: 6.9%
  • Max APR: 7.2%
  • Loan Duration: 6 months to 5 years

Services & Industries

  • Finance Types: Unsecured Business Loans, Asset Finance
  • Industries: Construction, Various

Pros

  • Large loan amounts
  • Competitive rates

Cons

  • Subject to eligibility

Sources: Source

6. Shawbrook

Shawbrook offers bespoke loan solutions focused on SME growth, with options for both secured and unsecured lending. Its services are suitable for construction and other growth-oriented SMEs that can meet lending criteria. Repayment plans and collateral terms vary, reflecting the tailored nature of their finance products.

Loan Details

  • Min Amount: £25,000
  • Max Amount: £350,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: 1 to 5 years

Services & Industries

  • Finance Types: Unsecured Business Loans, Secured Loans
  • Industries: Various

Pros

  • Tailored solutions
  • Higher borrowing limits

Cons

  • Limited to SMEs

Sources: Source

7. Nucleus Commercial Finance

Nucleus Commercial Finance presents a selection of commercial finance solutions including unsecured and asset-backed loans. It is suited for diverse UK SMEs looking for flexible lending options. Some products may require security while others offer unsecured access, with eligibility criteria influencing the available options.

Loan Details

  • Min Amount: £0
  • Max Amount: £0
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Unknown

Services & Industries

  • Finance Types: Unsecured Business Loans, Asset Finance
  • Industries: Various

Pros

  • Flexible finance options

Cons

  • Eligibility requirements

Sources: Source

8. Lloyds Bank

Lloyds Bank supplies a broad portfolio of unsecured business loans designed to support business growth and innovation across industries. These loans often cater to larger enterprises or SMEs with robust banking relationships. Eligibility and lending criteria are defined by the bank, with focus on flexible repayment and competitive terms.

Loan Details

  • Min Amount: £0
  • Max Amount: £100,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Up to 10 years

Services & Industries

  • Finance Types: Unsecured Business Loans
  • Industries: Various

Pros

  • Large banking network

Cons

  • Strict eligibility requirements

Sources: Source

9. Capify

Capify provides small business loans and merchant cash advances, often suitable for UK construction firms requiring flexible finance solutions. The provider focuses on quick access to funds with flexible repayments and approval processes. Their services are versatile for businesses needing short to medium-term financing without fixed collateral.

Loan Details

  • Min Amount: £5,000
  • Max Amount: £1,000,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Flexible

Services & Industries

  • Finance Types: Unsecured Business Loans, Merchant Cash Advances
  • Industries: Various

Pros

  • Quick funding
  • Flexible use

Cons

  • Higher fees for short terms

Sources: Source

10. Swoop

Swoop serves as a broker platform helping UK SMEs access a broad spectrum of unsecured business loans. It suits businesses in construction seeking diverse finance options and tailored lending solutions. Their approach offers broad lender access, often with varied eligibility and terms, allowing clients to compare and select the best match.

Loan Details

  • Min Amount: £0
  • Max Amount: £5,000,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Variable

Services & Industries

  • Finance Types: Unsecured Business Loans
  • Industries: Various

Pros

  • Wide access to finance options

Cons

  • Acts as a broker

Sources: Source

How to choose

For the construction industry, consider lenders that offer unsecured loans without property security and with flexible repayment options aligned to project cash flows. Match loan sizes and APRs to your budget while checking eligibility carefully, especially collateral needs. Speed of funding is important for timely project work, but balance this with loan flexibility and long-term cost. Understand fees, early repayment conditions, and whether loans include fixed or variable interest rates. Using a broker platform may widen choice but can add complexity. Choose based on your specific business size and financing needs within construction.

Conclusion

Choosing the right lender depends on your business profile and finance needs. Banks deliver reliable products but often demand strict eligibility and collateral. Brokers offer broad access but may involve complex processes. Specialist lenders tailor loans for SMEs, sometimes with quick access and flexible terms. Funding Agent remains a useful starting point to compare unsecured loan options around 200 thousand pounds loan size for construction businesses. Always verify current terms and ensure the choice aligns with your cash flow and growth plans.

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FAQs

What is an unsecured business loan?
Why choose unsecured loans for the construction industry?
Which lenders offer the best unsecured loans for construction businesses in the UK?
How can I improve my chances of getting approved for an unsecured business loan?
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1Funding AgentFunding Agent helps UK SMEs compare business finance options fast, with a simple application journey and quick eligibility matching.£10,000–£1,000,000; 4%–20% APR; 3–60 months
2BarclaysBarclays provides a range of financial products including unsecured business loans for UK businesses.£1,000–£100,000; 0%–0% APR; 1 to 10 years
3IwocaIwoca offers flexible business loans from £1,000 to £1,000,000, available for various UK businesses.£1,000–£1,000,000; 0%–0% APR; 1 day to 24 months
4FleximizeFleximize provides various loan types to SMEs with a focus on personalized service and flexibility.£5,000–£500,000; 0%–0% APR; 3 to 48 months
5Portman Finance GroupPortman Finance Group offers fast, flexible business loans to UK SMEs, tailored to business needs.£0–£2,000,000; 6.9%–7.2% APR; 6 months to 5 years
6ShawbrookShawbrook offers tailored loans with a focus on SME growth, providing both secured and unsecured options.£25,000–£350,000; 0%–0% APR; 1 to 5 years
7Nucleus Commercial FinanceNucleus provides a variety of commercial finance options including unsecured loans to UK SMEs.£0–£0; 0%–0% APR; Unknown
8Lloyds BankLloyds Bank offers a variety of business loans to UK enterprises to support growth and innovation.£0–£100,000; 0%–0% APR; Up to 10 years
9CapifyCapify provides small business loans and merchant cash advances to UK businesses.£5,000–£1,000,000; 0%–0% APR; Flexible
10SwoopSwoop helps UK SMEs access a range of unsecured business loans tailored to meet business needs.£0–£5,000,000; 0%–0% APR; Variable