Industries / Fintech

Fintech

Accounting for payments platforms, lenders, and financial infrastructure companies. The issues below are the accounting questions fintech business models raise most often, each with the treatment.

We document the revenue presentation, credit models, and balance sheet positions your auditors, partners, and investors will test.

Or call (347) 472-1115

Ro Sokhi, CPA, founder of Corviniti, advising on fintech accounting
Ro Sokhi Founder and CEO, Corviniti
In the press
Overview

The accounting questions a fintech model raises

Key takeaways
  • What it is. The questions fintech models raise on repeat: whether revenue reports gross or net, where customer funds sit, CECL on anything you lend, rewards and incentives as contra-revenue, gain on sale when loans move, and capitalized platform development.
  • Where it breaks. Revenue reported gross that was an agency fee, prepaid customer balances mixed into operating cash, a BNPL book with no day-one allowance, and rewards booked as marketing that belonged against revenue.
  • How we help. We classify the flows, paper the principal-agent calls, size the CECL model to the book, and keep positions consistent while products ship faster than policies.

Fintech accounting combines technology-company judgment areas with bank-grade rules. A payments company faces the hardest question in ASC 606, whose revenue is the interchange. A lender faces CECL. A platform holding customer money carries balances that are not its own on a balance sheet that must say so precisely. Get any of these wrong and the top line, the credit costs, or the balance sheet presentation is misstated systematically, across every transaction.

We work with payments, lending, and platform businesses from first audit through public filings. The issues below are the ones that decide how a fintech’s financial statements actually read, with the answer for each.

Revenue

Fintech revenue: gross versus net presentation

The single call that moves fintech revenue the most. If you control the service before the customer receives it, you are the principal and report the full transaction value, with interchange and processing in cost of revenue. If a bank, network, or partner controls it and you arrange it, you are the agent and report only your fee. Same economics, radically different top line, and it is assessed per service, not per company.

Fintech gross versus net revenue decision chart under ASC 606: principals who control the service report the full transaction value while agents report only their fee, with control indicators of primary responsibility, credit risk, and pricing discretion.
The principal-agent call, the biggest single driver of a fintech top line. Illustrative and not exhaustive.
Revenue streams

How fintech revenue streams are accounted for

A payments or lending platform usually runs several revenue models at once, and each has its own guidance: interchange under ASC 606 with the gross-net call, processing and SaaS fees over time, float and interest income outside ASC 606 entirely, origination fees deferred into yield under ASC 310-20, gain on sale under ASC 860 when loans transfer, and rewards as consideration paid to customers, usually contra-revenue. The map keeps each stream on its own rules.

Fintech revenue streams mapped to accounting guidance: interchange fees, processing and platform fees, SaaS subscriptions, float and interest income, loan origination fees under ASC 310-20, gain on loan sales under ASC 860, and rewards as contra-revenue.
Each stream carries its own rules; the errors come from applying one model to all of them. Illustrative and not exhaustive.
Credit losses

CECL for fintech lenders and BNPL receivables

The moment a fintech holds credit risk at amortized cost, it inherits lender accounting: lifetime expected losses booked on day one, for loans, BNPL and trade receivables, held-to-maturity securities, and off-balance-sheet commitments. Loans held for sale or at fair value sit outside the model, and operating lease receivables follow ASC 842. The estimate needs history, forecasts, and documented overlays. The full model treatment lives on our ASC 326 credit losses page.

CECL scope for fintech lenders: loans and receivables at amortized cost, BNPL receivables, and held-to-maturity securities take a day-one lifetime allowance, while held-for-sale and fair value loans sit outside ASC 326.
Scope first, then the model. Growth multiplies the provision before a single loan goes bad. Illustrative and not exhaustive.

This is for you if

  • Your auditors or a financing counterparty questioned your gross-versus-net revenue presentation.
  • You hold customer funds or credit risk and the balance sheet presentation has never been formally documented.
  • CECL, loan sale, or partner-bank program accounting needs to exist before your first audit or next diligence.
  • You are preparing for an audit, a raise, or a filing and the technical positions are in people's heads.

What you get

  • Revenue presentation memos The gross-versus-net analysis per stream, with funds-flow mapping and disclosure drafted to match.
  • Credit and transfer documentation CECL methodology, origination cost studies, fair value elections, and true-sale memos per program.
  • Balance sheet positions Customer funds presentation, restricted cash reconciliation, and the settlement controls behind them.
  • Policy infrastructure Incentive program accounting and software capitalization built on your actual operating data.
How We Help

What we deliver

On a fintech engagement, you get the positions and models your auditors, bank partners, and investors will test.

Revenue presentation memosThe gross-versus-net analysis per stream, with funds-flow mapping and disclosure drafted to match.
Credit and transfer documentationCECL methodology, origination cost studies, fair value elections, and true-sale memos per program.
Balance sheet positionsCustomer funds presentation, restricted cash reconciliation, and the settlement controls behind them.
Policy infrastructureIncentive program accounting and software capitalization built on your actual operating data.

When companies bring us in

  • Your auditors or a financing counterparty questioned your gross-versus-net revenue presentation.
  • You hold customer funds or credit risk and the balance sheet presentation has never been formally documented.
  • CECL, loan sale, or partner-bank program accounting needs to exist before your first audit or next diligence.
  • You are preparing for an audit, a raise, or a filing and the technical positions are in people's heads.
Our Experience

Where we have done this work

Engagement Notes

Payments: the presentation the filing rests on

Revenue presentation analysis for payment platforms where gross versus net changes reported revenue by an order of magnitude: contract-level control analysis across merchant acquiring and value-added services, the funds-flow mapping reviewers request, and disclosure drafted to match the conclusion through audit and financing diligence.

Engagement Notes

Lending: standing up bank-grade accounting in a startup

CECL methodology and documentation for early-stage lenders: vintage loss models with forecast overlays, origination cost studies under ASC 310-20, fair value option election memos, and true-sale analysis for forward flow programs with partner banks, built to survive the first audit rather than be rebuilt during it.

The Detail

The gaps, and how we close each one

Issue 01

Gross versus net: whose revenue is the payment flowASC 606

A payments company processing $1 billion in volume might report $30 million of revenue or $400 million, on identical economics, depending on the principal-versus-agent conclusion for interchange, network fees, and processing costs. It is the single largest judgment in payments accounting, and the SEC comments on it routinely.

The treatment

The analysis runs per specified service: does the company control the service before it transfers to the customer? For most payment facilitators, the issuing bank and networks provide services the facilitator does not control, pointing to net presentation of interchange and network fees; processing and gateway services the company itself performs present gross. Indicators, primary responsibility, discretion in setting price, inventory-style risk, are weighed, not counted, and the conclusion can differ between merchant acquiring, issuing programs, and value-added services in the same company. Document the flow of funds, the contracts on each leg, and the conclusion per revenue stream, and keep the disclosure explicit about what is presented net, because reviewers ask for exactly that mapping.

What we do: We write the gross-versus-net memo per revenue stream with the funds-flow mapping attached, before financing diligence asks for it.

From our engagements: The gross-to-net question is usually the first memo we write for a payments client, and it is the one underwriters and auditors read side by side in any financing. Documenting it before the term sheet is easier than defending an undocumented position during the financing.
Issue 02

Customer funds: money on your balance sheet that is not yoursPresentation

Platforms holding customer balances, wallets, merchant settlements in transit, escrowed funds, carry those amounts on the balance sheet with a matching liability, and the presentation questions multiply: restricted versus unrestricted cash, safeguarding requirements, and what the cash flow statement does with balances that move without being the company’s.

The treatment

Recognize funds held for customers as an asset with an equal and offsetting liability, presented separately from corporate cash, with the restricted portion identified and reconciled in the cash flow statement per ASU 2016-18 (restricted cash rolls into the statement’s beginning and ending totals, with the reconciliation disclosed). State-by-state money transmitter regimes add permissible investment and segregation requirements whose evidence auditors test, and settlement timing creates in-transit balances that need a daily reconciliation control, because the account that breaks first in a scaling payments company is settlement. Interest earned on customer balances follows the contracts: where the company keeps the float, it is revenue or other income with the policy disclosed. The presentation memo plus the reconciliation control is the package that keeps this area clean.

What we do: We set the customer funds presentation, the restricted cash reconciliation, and the daily settlement control.

Issue 03

Lending: CECL, origination costs, and fair value electionsASC 326 / 310

The moment a fintech holds credit risk, it is subject to lender accounting: lifetime expected credit losses on day one under CECL, deferred origination fees and costs, and a fair-value-option decision that changes the entire income statement geography. Lenders that treated these as afterthoughts have restated.

The treatment

Under CECL, recognize lifetime expected losses at origination, on a methodology fit to the portfolio: vintage or roll-rate models work for short-duration consumer books, with reasonable and supportable forecasts layered on historical loss curves and the reversion approach documented. Origination fees and direct costs defer under ASC 310-20 and amortize as yield adjustments, which requires cost studies most startups have never run. The fair value option, elected instrument by instrument at origination, replaces the allowance with mark-to-market through earnings, simplifying operations at the cost of volatility, and it is irrevocable, so the election memo matters. Loans originated for sale sit at lower of cost or fair value (or FVO) in held-for-sale. Whichever path, the model governance, back-testing, qualitative overlays, documentation, is what the auditors actually test, so build it with the model, not after. The standard itself, scope, methods, forecasts, overlays, and the ASU 2025-05 practical expedient, gets the full treatment on our CECL page.

What we do: We build the CECL methodology, the origination cost study, and the fair value option memo, with model documentation your auditors can test.

Facing one of these on your own platform? Talk to us before your audit or your next diligence.

Talk to an Expert
Issue 04

Rewards, referral bonuses, and consideration payable to customersASC 606

Fintechs spend heavily on customer incentives: sign-up bonuses, cash back, referral payments, fee waivers. Whether those amounts are marketing expense or a reduction of revenue changes the top line and every metric priced off it, and the default answer is not the one growth teams want.

The treatment

Consideration payable to a customer reduces revenue unless it purchases a distinct good or service at fair value, and the definition of customer reaches down the chain to the customer’s customer. Cash back and rewards earned through use of the product are contra-revenue, accrued as earned with breakage estimated where rewards expire; sign-up incentives paid to users who are customers reduce revenue up to the revenue from that customer (excess can be expense); referral payments to existing customers for bringing new ones require the distinct-service analysis, and the marketing label on the invoice does not decide it. Card programs add the loyalty-points layer: a separate performance obligation when points are material, deferring revenue to redemption. Map every incentive program to its counterparty and its accounting once, in one policy memo, because these programs multiply faster than anyone re-papers them.

What we do: We map every incentive program to its counterparty and accounting in one policy memo, kept current as programs launch.

Issue 05

Loan sales, participations, and what counts as a true saleASC 860

Originate-to-sell models and bank partnerships depend on transfers: whole loan sales, participations, forward flow agreements. If a transfer fails sale accounting, the loans stay on the balance sheet with a secured borrowing against them, and leverage the company thought it sold reappears.

The treatment

Sale accounting under ASC 860 requires legal isolation (true-sale and non-consolidation opinions for structured deals), the transferee’s ability to pledge or exchange, and no effective control retained through repurchase rights or unilateral call options. Recourse and credit enhancements do not automatically defeat a sale but are recognized as liabilities at fair value; participations must meet the participating-interest definition (pro rata cash flows, no subordination) or the whole transfer is a secured borrowing. Retained servicing is recognized as an asset or liability at fair value with the amortization-versus-fair-value election documented. Gain on sale is computed off the relative fair values of what was sold and what was retained. The transfer memo, deal by deal for the first of each structure, then by program, is the document diligence teams and auditors both open first.

What we do: We write the transfer memo per program: true sale, participations, recourse liabilities, servicing, and the gain-on-sale math.

Issue 06

Platform development costs in an agile worldASC 350-40

Fintech platforms are internal-use software built by teams that ship continuously, and ASC 350-40 was written for waterfall projects with phases. Companies either expense everything and understate assets or capitalize everything and inflate them; both draw findings.

The treatment

Capitalize costs in the application development stage, coding, configuration, testing of new functionality, and expense preliminary-stage work, training, and post-implementation maintenance, mapping those categories onto agile reality: capitalizable work is the development of new features and enhancements that add functionality, evidenced by the ticketing system, while bug fixes, refactoring without new capability, and routine maintenance expense. Build the capture mechanism from engineering data (story labels, time allocation by epic) rather than after-the-fact estimates, capitalize the payroll and direct costs of the identified work, and amortize over a supportable life, typically three to five years for platform code, with impairment review when products sunset. Cloud implementation costs for hosted arrangements follow the same stage model under ASU 2018-15 but sit in prepaids and operating expense, not intangibles. The policy plus the engineering-data capture process is what makes this defensible at audit.

What we do: We set the capitalization policy and build the capture process from your engineering data, so the asset is supportable ticket by ticket.

FAQ

Frequently asked questions

Should our payments revenue be gross or net?

It depends on control of each specified service. Interchange and network fees usually present net for payment facilitators; services you perform yourself present gross. The conclusion is per revenue stream, and we document it stream by stream with the funds-flow mapping attached.

Does CECL really apply to us if we are not a bank?

Yes. CECL applies to financing receivables regardless of charter. If you hold credit risk on loans or receivables beyond short-term trade terms, you need a lifetime expected loss methodology, sized to your portfolio rather than copied from a bank.

Are our sign-up bonuses marketing expense?

Usually not. Payments to customers, including incentives to acquire them, reduce revenue unless they buy a distinct service at fair value. The invoice label does not control; the counterparty and what you receive do.

Our loans are sold to a partner within days. Do we still have loan accounting?

Yes: held-for-sale measurement while you hold them, and ASC 860 transfer analysis when you sell. Whether the program achieves sale accounting, and what gain-on-sale looks like, depends on the structure’s terms, which is a memo per program.

Can you work with our state money transmitter compliance requirements?

We handle the accounting side: segregation and permissible-investment evidence, restricted cash presentation, and the reconciliations auditors and examiners both test. Licensing itself sits with counsel; we make the books match the license conditions.

Sources & authorities

Primary sources for this page

  • Revenue. ASC 606 applied to interchange, processing, subscription, and platform fees.
  • Expected credit losses. ASC 326 (CECL) for receivables, loans held, and lending products.
  • Money transmission. New York State Department of Financial Services: the state licensing that governs a transmitter or lender.
  • Fair value. ASC 820 for instruments carried at fair value.

This page summarizes accounting standards and financial regulation for general information, and is not accounting or legal advice. Rules change; confirm the current text before you rely on it.

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Call: (347) 472-1115
Email: info@corviniti.com

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Ro Sokhi, CPA
Ro Sokhi, CPA
Founder & CEO · Big Four experience · 20+ years

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