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Peer-to-Peer Lending

Peer-to-peer lending is a way of borrowing and lending money through an online platform that matches individual lenders with borrowers, without a bank sitting in the middle taking deposits. Lenders earn interest directly from the loans they fund, and the platform takes a fee for arranging and servicing them.

The trade-off is that lenders carry the credit risk themselves, so a borrower who stops paying costs them real money.

What it means

Peer-to-peer lending platforms act as a marketplace rather than a bank. They assess borrowers, assign a risk grade, set an interest rate and then let lenders put money behind individual loans or a pooled selection of them.

For small businesses the appeal is speed and reach. A company that struggles to fit a traditional bank's lending criteria can often get a decision within days, and platforms will fund purposes such as working capital, equipment or short-term bridging that banks treat as awkward.

For lenders, the appeal is a headline interest rate well above a savings account. That extra return is not free money; it is compensation for taking credit risk that a bank depositor never takes, because deposit protection schemes generally do not cover peer-to-peer loans.

The mechanics matter in practice. Most platforms encourage lenders to spread money across dozens or hundreds of loans so that a handful of defaults does not wipe out the year's interest, and many now offer automatic diversification tools that do the spreading for you.

Returns are usually quoted gross, so you have to subtract expected bad debts and platform fees to see the realistic net figure. Regulation has tightened considerably since the sector's early years, with rules covering how platforms describe returns, how they handle client money and what happens if the platform itself fails.

Anyone assessing the sector should also look at how loans are secured, since a property-backed loan behaves very differently from an unsecured consumer loan when the borrower stops paying.

In practice

Real-world examples.

1

Example

A landscaping contractor needs $80,000 to buy a second truck ahead of the spring season and cannot wait six weeks for a bank decision. A peer-to-peer platform funds the loan in nine days at 11% over three years, and the higher rate is worth it because the truck earns more than the extra interest costs.

2

Example

A retired engineer moves $120,000 of savings into a peer-to-peer account spread across secured property loans. He accepts that his capital is not protected by any deposit guarantee, and he keeps a separate cash buffer because the loans cannot be sold quickly if he needs the money.

3

Example

A finance manager at a wholesale distributor compares an invoice finance facility with a peer-to-peer working capital loan. The peer-to-peer option is cheaper in headline terms but carries an arrangement fee and an early repayment charge, so she models the total cost over the expected twelve-month usage before deciding.

Think of it

P2P lending connects borrowers and lenders directly-loans without the bank in the middle.

Formula

Calculation

Net Return = Gross Interest - Expected Losses - Platform Fees A lender puts $50,000 to work across 200 loans, spreading the money so that no single loan exceeds $250. The platform quotes a weighted average gross interest rate of 9.5%, expects annual credit losses of 3.2% of the amount lent, and charges a servicing fee of 1% of the amount lent. Gross interest is $50,000 x 9.5% = $4,750. Expected losses are $50,000 x 3.2% = $1,600. Platform fees are $50,000 x 1% = $500. Net return is $4,750 - $1,600 - $500 = $2,650, which on $50,000 is $2,650 / $50,000 = 5.3%. The headline rate of 9.5% therefore translates into roughly 5.3% in the lender's pocket before any tax.

Case study

Seen in the real world.

Meadowbrook Lending Exchange is a fictional peer-to-peer platform used here purely as an illustrative example. In its first three years it grew quickly by offering lenders an advertised return of 9% on unsecured small business loans, and thousands of individuals signed up on the strength of that number.

When a downturn arrived, actual default rates rose from the modelled 3% to just over 7%. Lenders who had spread money across hundreds of loans saw their net returns fall to roughly 1%, which was disappointing but survivable. Lenders who had hand-picked twenty large loans at the highest rates lost capital outright, because two defaults were enough to swallow all the interest and more.

The illustrative point is not that the platform behaved badly, but that the same headline rate produced completely different outcomes depending on diversification. Meadowbrook later made automatic spreading the default setting and began publishing loss rates by loan vintage so lenders could see how each year's loans were actually performing.

Watch out

Common mistakes.

  • Reading the advertised gross rate as the amount you will actually earn, when losses and fees typically remove a third or more of it.
  • Concentrating money in a small number of high-rate loans, which turns a diversified income stream into a handful of individual bets.
  • Assuming peer-to-peer money can be withdrawn like a savings account, when in reality your capital is tied up until borrowers repay or a secondary market buyer appears.

Questions

People also ask.

Is peer-to-peer lending protected like a bank deposit?

Generally no, so if borrowers default or the platform fails, lenders can lose part or all of their capital.

Why would a business pay more than a bank rate?

Because approval is faster, the criteria are often broader, and the extra interest can be small compared with the profit from acting quickly.

How is the interest taxed for a lender?

Interest is normally treated as taxable income in the year it is received, and rules on offsetting bad debts against that interest vary by jurisdiction.

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Last updated · September 5, 2026
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