What does a fintech app development agency typically cost in 2026?

Simple payment wallets or budget trackers cost $40,000–80,000. Mid-complexity apps with bank-link integrations (Plaid, Stripe) and KYC flows run $80,000–200,000. Full neobank or lending platforms with core banking integrations, fraud engines, and regulatory audit trails range from $250,000–1,000,000+. Compliance work adds 20–35% over a comparable non-regulated app.

Which compliance certifications should a fintech agency hold or demonstrate?

Prioritise agencies that have shipped apps under PCI-DSS Level 1 or 2 (card data), SOC 2 Type II (controls audit), and ISO 27001 (information security). For European projects, look for PSD2 / Open Banking experience. US broker-dealer or investment-advisor features require FINRA familiarity; UK/EU licensing work needs FCA or BaFin knowledge. Ask for redacted audit reports, not just marketing claims.

How does PCI-DSS compliance affect app architecture?

PCI-DSS requires card data to never touch your servers unencrypted. Compliant agencies use tokenisation providers (Stripe, Braintree, Adyen) or P2PE hardware so card numbers flow directly to the payment processor. They also enforce network segmentation, TLS 1.2+, quarterly vulnerability scans, and detailed access logs — architecture decisions that must be made upfront, not retrofitted.

What is Open Banking / PSD2 and how does it change development?

PSD2 mandates that EU/UK banks expose APIs for account data (AIS) and payment initiation (PIS) under Strong Customer Authentication. Agencies experienced with PSD2 integrate aggregators like TrueLayer, Yapily, or Token.io and implement SCA flows (biometric + device binding). US equivalents use Plaid, MX, or Finicity under the emerging Section 1033 open-banking rule.

How long does it take to build a regulated fintech app?

A KYC-enabled payment MVP takes 4–6 months. A full neobank with core banking, card issuing (Marqeta), and regulator sandbox approval typically needs 9–18 months. The regulatory review process — not engineering — is usually the longest leg. Experienced agencies run compliance due diligence in parallel with development to avoid serial delays.

What KYC and AML integrations do fintech agencies commonly implement?

Standard KYC stacks include Jumio, Onfido, or Persona for document + liveness checks, layered with Socure or Sardine for identity fraud scoring. AML transaction monitoring uses Feedzai, ComplyAdvantage, or Chainalysis (crypto). Agencies should also configure CIP (Customer Identification Program) workflows to satisfy FinCEN requirements for US money-services businesses.

What fintech-specific App Store and Play Store rules affect submission?

Apple requires financial apps to include legal entity information, comply with local financial-services laws, and show account disclosures before account creation. Google Play requires a Financial Services declaration and may request a regulatory licence number. Both stores enforce in-app purchase rules for premium features — crypto trading and investment apps face additional review time (1–3 weeks typical).

How do I verify a fintech agency's security track record?

Request a copy of their most recent penetration test report and ask who conducted it (CREST-accredited testers preferred). Ask whether any client apps have experienced a data breach and how it was handled. Check that developers hold OSCP, CISSP, or CEH certifications. Review their encryption and key-management policies — HSM or cloud KMS usage is a signal of mature security practice.

Fintech · PCI-DSS · PSD2 · SOC 2 · Updated May 2026

Fintech app development agencies, compared

85 agencies that build regulated financial apps — payment wallets, neobanks, lending platforms, and investment tools. Average rate $82–$129/hr, typical minimum project $35K.

See the 85 agencies Compare agencies side-by-side

Why Does Fintech App Development Require Specialised Agencies?

Regulated financial apps carry legal liability that general-purpose agencies are not equipped to handle. A payment app that stores card data without PCI-DSS Level 1 controls exposes your business to fines of $5,000–100,000 per month and potential card-network termination. A lending platform that fails to implement ECOA-compliant adverse-action notices faces CFPB enforcement. Fintech specialists understand these rules as engineering constraints, not afterthoughts.

Compliance architecture shapes every layer of the stack. Tokenisation decisions affect which cloud regions you can use. SOC 2 Type II audit requirements dictate logging, access control, and change-management procedures. KYC and AML integrations — Jumio, Onfido, Sardine, Feedzai — add weeks of QA if teams have never configured them before. Agencies experienced in fintech have these integrations in their reusable component libraries and know the edge cases that cause false positives in liveness checks or transaction-risk scoring.

Open Banking and BaaS (Banking-as-a-Service) platforms have lowered the barrier to launching financial products, but raised the complexity of integrating them correctly. Marqeta for card issuing, Plaid for account aggregation, Stripe Treasury for embedded finance — each API has its own sandbox-to-production certification process. Fintech agencies that have shipped multiple projects on these rails cut integration time by 40–60% compared to teams encountering them for the first time.

Which Compliance Frameworks Should Your Fintech Agency Know?

PCI-DSS (Payment Card Industry Data Security Standard) governs any app that processes, stores, or transmits cardholder data. Version 4.0, effective April 2024, introduces stricter multi-factor authentication requirements and strengthened software-development lifecycle controls. Agencies building card-present or card-not-present flows must either achieve their own PCI-DSS compliance or use a tokenisation approach that removes card data from scope entirely.

PSD2 (Revised Payment Services Directive) mandates Strong Customer Authentication and open API access to payment accounts across the EU and UK. The practical implication: any European fintech app that initiates payments or reads account balances must implement SCA flows (possession factor + biometric or PIN) and integrate through licensed AISP/PISP connectors. Agencies with PSD2 experience have already navigated the bank-by-bank quirks in TrueLayer, Yapily, or Salt Edge's normalisation layers.

SOC 2 Type II is an audit — not a certification — that demonstrates your security controls operated effectively over a period of 6–12 months. Investors, enterprise customers, and regulated partners often require it before signing contracts. Agencies that have supported clients through SOC 2 Type II audits understand how to instrument logging, manage vendor access, and write the policy documentation that auditors review. ISO 27001 is the international equivalent and is increasingly required for EU banking partners.

The list

Fintech development agencies (85)

Sorted A–Z

10Pines

Buenos Aires, Argentina

Buenos Aires, Argentina software craftsmanship firm founded in 2010. 73-person self-managed team applies XP and agile practices to build web and mobile products for clients including Ualá, Starbucks, and Burger King.

iOSAndroidWeb Ruby on RailsReact

Hourly rate: $50–99
Min project: $25K
Team size: 50-100
IP ownership: Standard

Fintech app development agencies, compared

Why Does Fintech App Development Require Specialised Agencies?

Which Compliance Frameworks Should Your Fintech Agency Know?

Fintech development agencies (85)

What Does Fintech App Development Cost by App Type?

Cost Ranges by Fintech App Category

Compliance Cost Add-Ons (on top of base development)

What Fintech APIs and Integrations Should Your Agency Know?

Banking Data & Payments

Card Issuing & BaaS

KYC / Identity / Fraud

Crypto & Lending Infrastructure

Fintech App Development FAQs

Explore Related Agency Directories

Need Help Choosing a Fintech Agency?