How long does it take to build a FinTech platform?

A tight MVP ships in 10-18 weeks from kickoff. A mid-market platform takes 5-8 months. An enterprise platform with full PCI DSS attestation and regulatory licensing typically runs 9-15 months. Timelines depend on payment partner onboarding and compliance review more than engineering.

What makes a good FinTech development company?

Four things separate strong FinTech development companies from average ones. They build ledger and double-entry accounting correctly the first time. They embed compliance like PCI DSS, SOC 2, KYC, and AML into the process from sprint one. They deliver clean, audit-ready code without vendor lock-in. And they give transparent pricing tied to compliance scope.

Custom FinTech Development Company for Banks, Lenders, and Payment Platforms

Q: How much does FinTech development cost?

A production-ready FinTech MVP typically runs $50,000 to $90,000 over 10-18 weeks. Mid-market platforms land at $90,000 to $300,000. Enterprise FinTech with full PCI DSS scope, multi-region deployment, and regulatory evidence packets starts at $300,000 and scales upward. Cost drivers include payment rails, KYC/AML scope, ledger complexity, and licensing requirements. Dedicated FinTech developers on an ongoing team start at $4,200/mo.

Q: Do you build white-label FinTech platforms?

Yes. White-label FinTech development includes branded merchant portals, partner-tiered fee structures, BIN sponsorship support, and admin tools for program managers. Common use cases include neobank partnerships, embedded finance APIs, and franchise payment programs.

Q: Can you handle KYC and AML compliance?

KYC and AML are core to every FinTech build we deliver. We integrate Persona, Onfido, Jumio, ComplyAdvantage, and Sumsub for identity verification, sanctions screening, and ongoing transaction monitoring. Risk scoring, suspicious activity reporting, and audit trails are standard.

Q: What is the difference between custom FinTech development and a Banking-as-a-Service platform?

BaaS providers like Unit, Synapse, and Treasury Prime are fast for launching but lock you into their fee structure, data model, and partner bank. Custom FinTech development gives you full control over economics, risk policy, and product roadmap. The break-even point is usually when transaction volume or compliance customization makes BaaS economics painful.

Q: How is Web Mavens different from other FinTech development companies?

Four things. Official Laravel Partner status. PCI DSS, SOC 2 Type II, and HIPAA compliance built into delivery. Family-owned since 1996 with consistent leadership. Dedicated teams that stay on your product for years, not rotated between clients every sprint.

PCI DSS + SOC 2 Compliant. Laravel Partner. 25+ Years.

We design, build, and scale regulated financial software for founders and enterprises who need to ship money-moving products without rebuilding the ledger six months later. Our fintech software development services cover payment platforms, digital banking, lending, and investment tools — with PCI DSS, SOC 2, and KYC/AML built in from sprint one.

✓Pre-vetted, dedicated FinTech developers. Not freelancers.
✓PCI DSS, SOC 2 Type II, and GDPR compliance from day one.
✓Double-entry ledger, payment rails, and KYC/AML built right the first time.
✓From fintech app development MVP to processing millions of transactions a month.

Book a FinTech Discovery Call → Request a Project Proposal

Illustration of three figures working around a double-entry ledger, building a stack of FinTech blocks with card, lock, dollar, shield, and chart icons, connected by dotted arcs to a transaction dashboard with an Approved badge and upward trend

349+

Products Shipped

25+

Years of Delivery

4.9

Client Rating

SOC 2

Type II Certified

Trusted by teams shipping regulated FinTech platforms since 1996.

WHAT WE BUILD

Types of FinTech Platforms We Build

From payment gateways to digital banks — here's what production-grade FinTech looks like when we ship it.

Illustration of a credit card on the left flowing through a circular padlock tokenization shape into a teal payment processor cube on the right, with a blue figure verifying the flow with a checkmark

Payments

Payment Gateway & Processing Platform

PCI DSS scope-minimized payment processing with tokenization, 3DS authentication, and multi-acquirer routing. Built for marketplaces, SaaS billing, and merchant programs that need reliable card-present and card-not-present flows.

Card Tokenization & Vault

3DS / Strong Customer Authentication

Multi-Acquirer Smart Routing

Subscription & Recurring Billing

Refunds, Disputes & Chargebacks

Fraud Scoring & Velocity Rules

Settlement & Reconciliation

PCI DSS SAQ-A or SAQ-D Ready

Illustration of a blue figure holding a checkmark shield next to a debit card and an open ledger with balanced debit and credit columns, with a small bank building on the right

Digital Banking

Digital Banking & Neobank Platform

Account opening, ledger, card issuing, and KYC for neobanks and embedded finance products. The most regulated FinTech build we deliver — with BIN sponsor integration and program manager portals.

Double-Entry Ledger Architecture

KYC / KYB Onboarding (Persona, Onfido)

BIN Sponsor & Card Issuing (Marqeta, Lithic)

ACH, Wire, RTP, FedNow Rails

Sanctions & PEP Screening

Transaction Monitoring & SAR Filing

Customer & Program Manager Portals

Reg E Dispute Workflows

Illustration of a teal figure reviewing a credit scoring gauge pointing to Approved, with a loan document and installment timeline

Lending

Lending & BNPL Platform

Loan origination, decisioning, servicing, and collections for SMB lenders, consumer credit, and Buy-Now-Pay-Later programs. Bureau integration, underwriting models, and payment plans built in.

Application Intake & Document Upload

Credit Bureau Integration (Experian, Equifax)

Decisioning Engine & Risk Scoring

Loan Servicing & Amortization

BNPL Installment Plans

Auto-Pay, NSF & Collections Workflows

Adverse Action Notice Generation

Regulatory Reporting (HMDA, ECOA)

Illustration of a purple figure holding a tablet showing a portfolio donut chart with candlestick chart and stacked coins

WealthTech

Investment & WealthTech Platform

Brokerage accounts, robo-advisor portfolios, fractional shares, and crypto trading platforms. Built with FINRA-aware workflows, market data feeds, and order management systems.

Account Opening & Suitability Profiling

Order Management System (OMS)

Market Data Feeds (Polygon, IEX)

Portfolio Construction & Rebalancing

Fractional Share Allocation

Tax Lot Accounting & 1099 Generation

Crypto Custody Integration (Fireblocks, BitGo)

Real-Time NAV & Performance Reporting

THE REALITY

Why Most FinTech Products Fail Before They Scale

From what we see auditing FinTech codebases, most platforms hit the same wall at the same moment — the first regulator inquiry, the first chargeback wave, or the first ledger discrepancy that no one can explain.

The Ledger Drift

Early FinTech MVPs that store balances as a column on the user table inevitably drift from reality once refunds, fees, and reversals start firing concurrently. Retrofitting a true double-entry ledger after launch typically takes 4-8 months and requires reconciling every historical transaction. The fix isn't a bigger database — it's ledger-first design from sprint one.

The Compliance Gap

The first PCI QSA, SOC 2 auditor, or state regulator asks for evidence — and the platform has none. Card data was stored in plaintext. KYC documents weren't retained for the required period. Retrofitting compliance into a live FinTech product is expensive, blocks every customer release, and can pause processing entirely.

The Rebuild Trap

The original dev team treated payments like any other CRUD feature, the code is a tangle of edge cases, and every new payment method takes three times longer than the last. Founders discover that custom FinTech built poorly compounds into a rewrite within 18 months. The rewrite costs more than building it right the first time — and money was actually moving on the broken version.

THE SOLUTION

How We Build FinTech Platforms That Scale

Instead of patching ledger debt and compliance gaps after launch, we build FinTech products with regulatory scope, ledger integrity, and security designed in. Every platform is shipped audit-ready, not demo-ready.

Illustration of a figure verifying entries in a double-entry ledger with debit and credit columns as transaction blocks flow in

Ledger-First Architecture That Reconciles to the Penny

We architect a true double-entry ledger from sprint one — immutable journal entries, account-balance derivation, and idempotent posting. Your platform reconciles cleanly from 10 transactions a day to 10 million without retroactive cleanup. Refunds, fees, reversals, and disputes are first-class citizens, not edge cases bolted on later.

Illustration of a green figure adding a padlock to a PCI shield with credit card chip, connected by dotted arc to an audit document with green seal

PCI DSS, SOC 2, and KYC/AML From Sprint One

Card data tokenization, encryption at rest and in transit, sanctions screening, and audit logging are standard in every engagement — not line items on a proposal. We ship platforms that pass QSA assessment and SOC 2 audits on first review, because the controls are in the code from the start.

Illustration of a figure holding an invoice next to a sprint calendar with colored blocks and a green upward arrow

Predictable Delivery and Transparent Cost

You get a fixed scope for your MVP or a dedicated team with monthly billing for ongoing builds. No hourly surprises. Our FinTech development services start from $4,200/mo for a dedicated engineer and $50,000-$90,000 for a production-ready MVP.

SERVICES

Custom FinTech Development Services from MVP to Enterprise

Not every financial app development project needs the same shape. Here's how our fintech development services split by product type and regulatory scope.

Payment Platforms & Gateways

Production-grade payment processing with PCI DSS scope minimization, tokenization, 3DS authentication, and multi-acquirer routing. Built on Laravel, Node.js, or Python backends with React or Vue on the frontend.

Card tokenization with SAQ-A or SAQ-D scope

Stripe, Adyen, Braintree, and direct acquirer integration

3DS / Strong Customer Authentication for SCA

Smart routing across acquirers for cost and acceptance

Refunds, chargebacks, and dispute automation

FinTech MVP Development

For founders validating market fit, our MVP process ships a functional, money-moving product in 10 to 18 weeks. Not a prototype. Not a sandbox demo. A deployed platform your first customers can fund and transact through.

Discovery and regulatory scoping in 1-3 weeks

Shipped in 10-18 weeks from kickoff

Core flows: KYC, ledger, payment in/out, admin

Architecture designed for post-MVP scale and audit

Fixed scope from $50,000-$90,000

Custom FinTech Development

When your product doesn't fit a template, custom FinTech development covers the full build — ledger, payment integration, compliance, DevOps — on Laravel, React, Vue, Node, or Python stacks. Domain-driven design, no vendor lock-in.

Greenfield ledger architecture matched to your money flows

Domain-driven design with clear bounded contexts

Full test coverage including reconciliation tests

Architecture records and audit-ready documentation

Clean code your next team or auditor can read

FinTech Mobile App Development

Native iOS and Android financial apps with biometric authentication, encrypted local storage, and real-time transaction updates. Our fintech mobile app development services cover digital wallets, mobile banking, peer-to-peer payments, and investment portfolio apps.

Biometric auth (Face ID, fingerprint)

Encrypted local storage for financial data

Real-time push notifications for transactions

Offline mode with secure sync

Card management and digital wallet features

AI-Powered FinTech

Embed LLMs, RAG pipelines, and vector search into your FinTech platform with production controls — error handling, cost limits, monitoring, and per-tenant token accounting. We build AI features that ship past audit, not demos.

OpenAI GPT-4o and Anthropic Claude integration

Underwriting and risk-scoring assistants

Fraud and AML alert triage with LLM summarization

RAG with pgvector, Pinecone, or Weaviate for policy lookup

Per-tenant cost controls and prompt-injection defense

Embedded Finance & API-First

Expose your financial product as APIs for partner platforms — payments-as-a-service, lending-as-a-service, or accounts-as-a-service. Multi-tenant isolation and partner-tier fee economics built in.

REST and webhook APIs with idempotency keys

Per-partner fee tiers and revenue sharing

Sandbox environments with realistic test data

Partner developer portals and API documentation

SLA monitoring and rate limiting per partner

White-Label FinTech

Platforms you resell under client or partner brands, with theme configuration, custom domains, BIN sponsorship, and tenant-scoped branding.

Custom domain and theming per program

Per-program fee structures and revenue share

BIN sponsor support for issued cards

Program manager portals with admin controls

White-label statements and customer communications

FinTech Modernization & Refactoring

Inheriting a FinTech codebase that can't pass an audit, won't scale, or has ledger drift? We audit, refactor, and re-architect without dropping a transaction.

Ledger reconciliation and historical cleanup

Architectural audit with regulatory risk ranking

Zero-downtime migration of in-flight transactions

Compliance retrofits (PCI DSS, SOC 2, KYC/AML)

Legacy decommission with audit trail preserved

Enterprise FinTech Platforms

For institutions building FinTech at enterprise scale — SSO/SAML, SCIM provisioning, full PCI DSS Level 1 scope, multi-region deployment, and dedicated support SLAs.

SSO via SAML, OIDC, or OAuth2

SCIM for automated user provisioning

PCI DSS Level 1 architecture and evidence packets

Multi-region deployment with data residency

Dedicated support with SLA guarantees

OUR PROCESS

How Every FinTech Engagement Runs

Predictable delivery is a process choice, not a promise on a slide deck.

Discovery & Regulatory Scoping

Week 1-3

We map your product, money flows, license requirements, and PCI/AML scope. Output: a signed-off architecture document, ledger schema, payment partner shortlist, and sprint plan.

Design & Prototyping

Week 3-5

Interactive UI prototypes and ledger walk-throughs reviewed with your stakeholders before a line of production code. Catches scope, UX, and regulatory issues when they're cheap to fix.

Build in Sprints

Week 5+

2-week sprints with working software at each review. Reconciliation tests, code reviews, and CI/CD from sprint one. You see progress weekly, not at a milestone three months in.

Compliance & Security Validation

Throughout

PCI DSS, SOC 2, and KYC/AML controls validated on every PR. Pen tests, vulnerability scans, and access reviews done continuously — not at the end.

Launch & Ongoing Support

Post-Launch

Deployment, monitoring, incident response, and iteration after launch. Most of our FinTech clients stay for 36+ months of ongoing development.

PRICING

How Much Does FinTech Development Cost?

Buyers evaluating FinTech development companies almost always ask for ranges upfront. Vendors that refuse to give them are usually the most expensive.

FinTech MVP

$50K – $90K

Fixed-scope build, 10-18 weeks. KYC, ledger, 1-2 payment rails, basic admin. Production-ready and audit-ready architecture.

Mid-Market FinTech

$90K – $300K

Multi-rail payments, full KYC/AML, dispute workflows, SOC 2-aligned controls. 5-8 month delivery.

Enterprise FinTech

$300K+

Complex ledgers, SSO/SCIM, multi-region, full PCI DSS Level 1 evidence packets, SLA-backed support. 9-15 months.

Dedicated Team (ongoing): From $4,200/mo per full-time engineer. Scale from 1 to 10+.

What drives the price?

Four things: payment rails (cards, ACH, wires, RTP, FedNow, crypto), KYC/AML scope (consumer KYC vs. enhanced due diligence vs. KYB), regulatory licensing (money transmitter, broker-dealer, lending license), and ledger complexity (single-currency wallet vs. multi-asset, multi-currency books). A simple Stripe-only checkout is the lower end. A neobank with card issuing, ACH, and FedNow is the higher end.

ENGAGEMENT MODELS

Three Ways to Work With Us

$50K-$90K

Fixed-Scope MVP

Best for founders validating market fit. Fixed scope, fixed budget, fixed timeline. 10-18 weeks from discovery to production.

From $4,200/mo

Dedicated FinTech Team

Best for sustained product development. A dedicated team works exclusively on your platform. Monthly billing, no lock-in.

From $30/hr

FinTech Staff Augmentation

Best when you have internal leadership but need more engineers with payments experience. Our developers plug into your sprints, tools, and standups.

Learn more about IT staff augmentation → Hire dedicated Laravel developers →

THE DIFFERENCE

Web Mavens vs. Typical Financial Software Development Companies

Criteria

Web Mavens

Typical Agency

SOC 2 Type II certified

✓

✗

PCI DSS scope-minimization built in

✓

✗

Double-entry ledger from sprint one

✓

✗

KYC/AML integration standard

✓

Sometimes

Official Laravel Partner

✓

✗

Post-launch support included

✓

Extra cost

Dedicated teams, not shared

✓

✗

25+ years continuous operation

✓

✗

Transparent pricing

✓

✗

Audit-ready code (no lock-in)

✓

Varies

TECH STACK

Technologies We Use for FinTech Development

Stack chosen for your product, not our preferences. Our Laravel and NativePHP certifications are where we have the deepest bench, but every engagement is matched to the right tool.

COMPLIANCE

PCI DSS, SOC 2, and KYC/AML Compliance Built Into Every FinTech Platform

PCI DSS

We architect every payment platform for PCI DSS scope minimization — tokenization, network segmentation, and SAQ-A or SAQ-D readiness depending on your model. Card data never lives in your application database.

SOC 2 Type II

We operate with SOC 2 Type II controls across every engagement. Audit logging, access reviews, encryption, and vulnerability management are standard — not add-ons.

KYC, AML & Sanctions

Persona, Onfido, Jumio, ComplyAdvantage, and Sumsub integrations for identity verification, sanctions screening, PEP checks, and ongoing transaction monitoring. SAR-ready audit trails included.

HIPAA-Aware FinTech

For health-payment products, HSA/FSA platforms, and digital-health billing systems where PHI meets payment data, we apply HIPAA-compliant patterns alongside PCI DSS — encrypted PHI handling, BAA-ready infrastructure, and unified audit trails across both regimes.

Official Laravel Partner

As an Official Laravel Partner, we apply framework-level security and performance patterns to every FinTech build — query hardening, rate limiting, signed URLs, encrypted casts, and queue-based audit logging built in from sprint one.

GDPR & Data Residency

EU data residency options, DSAR workflows, consent management, and right-to-erasure handling that respects your ledger immutability requirements. Privacy engineering is part of the architecture, not a legal afterthought.

INDUSTRIES

FinTech Verticals We Serve

We've built FinTech products across eight verticals. Each comes with vertical-specific licensing, payment rails, and risk requirements we've handled before.

Payments & Acquiring

Payment gateways, merchant onboarding, and acquiring platforms with PCI DSS scope minimization. The most common FinTech build we deliver.

Stripe, Adyen, Braintree, and direct acquirer integration

Card tokenization with SAQ-A or SAQ-D scope

3DS / Strong Customer Authentication

Multi-acquirer smart routing for cost and acceptance

Refunds, chargebacks, and dispute automation

Digital Banking & Neobanks

Account opening, ledger, card issuing, and money movement for neobanks, embedded banking, and challenger products. BIN sponsor and program manager workflows included.

Double-entry ledger architecture from sprint one

BIN sponsor and card issuing (Marqeta, Lithic, Galileo)

ACH, wire, RTP, and FedNow rail integration

Reg E dispute workflows and adverse action handling

Program manager portals with full audit trails

Lending & BNPL

Loan origination, decisioning, servicing, and collections for SMB lenders, consumer credit, and Buy-Now-Pay-Later programs.

Application intake and document upload

Credit bureau integration (Experian, Equifax, TransUnion)

Decisioning engine with custom risk scoring

Loan servicing, amortization, and BNPL installment plans

HMDA, ECOA, and adverse action notice generation

WealthTech & Investing

Brokerage, robo-advisor, fractional shares, and crypto trading platforms with FINRA-aware workflows and market data integration.

Account opening with suitability profiling

Order management system (OMS) integration

Market data feeds (Polygon, IEX, Alpaca)

Portfolio construction, rebalancing, and tax-lot accounting

1099 generation and investor statements

InsurTech

Quote-to-bind platforms, policy administration, and claims management for digital-first insurers and MGAs.

Quote engines with rating and underwriting rules

Policy administration and endorsement workflows

Claims intake with document and photo upload

Premium billing, refunds, and lapse handling

Carrier and reinsurer integrations

RegTech & Compliance Automation

Platforms that automate KYC, AML, transaction monitoring, and regulatory reporting for FinTechs and traditional financial institutions. ML-driven scoring and case triage built in.

KYC/KYB orchestration across multiple providers

Sanctions, PEP, and adverse media screening

Transaction monitoring with rule and ML scoring

Case management and SAR filing workflows

Regulatory report generation (CTR, SAR, 314(a))

Learn more →

Crypto & Web3

Custody integration, on/off-ramps, and tokenization platforms with FinCEN-aware compliance workflows.

Custody integration (Fireblocks, BitGo, Anchorage)

Fiat on/off-ramp with KYC and Travel Rule compliance

Wallet management and transaction signing

Tokenization platforms for RWAs and securities

Blockchain analytics integration (Chainalysis, TRM)

Embedded Finance & BaaS

API-first SaaS platforms that let other companies embed payments, lending, or accounts into their products. Multi-tenant architecture with partner-tier economics.

REST and webhook APIs with idempotency

Per-partner fee tiers and revenue sharing

Sandbox environments with realistic test data

Partner developer portals and API documentation

SLA monitoring and rate limiting per partner

Learn more →

FAQ

FinTech Software Development: Frequently Asked Questions

FinTech development is the process of designing, building, and scaling regulated financial software — payments, banking, lending, investment, insurance, and RegTech platforms. It covers ledger architecture, payment rail integration, KYC/AML workflows, regulatory reporting, and ongoing operations. Modern FinTech development also embeds compliance and security controls from the start — PCI DSS, SOC 2, and GDPR aren't bolted on at the end.

A production-ready FinTech MVP typically runs $50,000 to $90,000 over 10-18 weeks. Mid-market platforms land at $90,000 to $300,000. Enterprise FinTech with full PCI DSS Level 1 scope, multi-region, and regulatory evidence packets starts at $300,000 and scales upward. Dedicated FinTech developers on an ongoing team start at $4,200/mo.

A tight MVP ships in 10-18 weeks from kickoff. A mid-market platform takes 5-8 months. An enterprise platform with full PCI DSS attestation typically runs 9-15 months. Timelines depend on payment partner onboarding, regulatory review, and decision speed from your side more than on engineering.

BaaS providers (Unit, Synapse, Treasury Prime) are fast for launching but lock you into their fee structure, data model, and partner bank. Custom FinTech development gives you full control over economics, risk policy, and product roadmap — useful when transaction volume or compliance customization makes BaaS economics painful.

Four things. First, they build double-entry ledger and payment flows correctly the first time. Second, they embed PCI DSS, SOC 2, and KYC/AML into the process rather than bolting them on. Third, they deliver clean, audit-ready code so you're not locked in. Fourth, they give you transparent pricing tied to compliance scope.

Yes. We architect payment platforms with PCI DSS scope minimization — tokenization, network segmentation, and SAQ-A or SAQ-D readiness depending on your model. We integrate Stripe, Adyen, Braintree, Plaid, and direct card processors. We deliver platforms that pass QSA assessment on first review.

Yes. White-label development includes branded merchant portals, partner-tiered fee structures, BIN sponsorship support, and admin tools for program managers. Common use cases include neobank partnerships, embedded finance APIs, and franchise payment programs.

It's core to every FinTech build we deliver. We integrate Persona, Onfido, Jumio, ComplyAdvantage, and Sumsub for identity verification, sanctions screening, and ongoing transaction monitoring. Risk scoring, suspicious activity reporting, and audit trails are standard.

Both. Our MVP engagements start at $50,000 for early-stage founders. Our enterprise engagements run past $1.5M for regulated platforms. Roughly a third of our current enterprise FinTech clients started as MVP engagements.

Official Laravel Partner status. PCI DSS, SOC 2 Type II, and HIPAA compliance built into delivery. Family-owned since 1996 with consistent leadership. Dedicated teams that stay on your product for years, not rotated between clients every sprint.

We're not interested in ranking lists that anyone can buy onto. What we can tell you is we've shipped 349+ products over 25+ years, we're SOC 2 Type II certified, and our average FinTech client engagement is 36+ months. Evaluate us against specific criteria for your build, not against a listicle.

Yes. We work with US-based FinTech founders and enterprises with full US timezone overlap. Our engineers join your standups in real time during your working hours — this is live collaboration, not overnight handoff.

It depends on how the engagement is structured. The common failure mode is losing context in async handoffs across timezones — particularly painful when an incident involves money movement. We structure every engagement with full US business-hour overlap, so the distinction stops mattering.

You do. 100%. Every engagement includes an NDA and full IP assignment. The code, ledger schema, deployment scripts, and audit evidence are all yours. We don't use proprietary frameworks that lock you in.

Most of our clients do. Roughly 85% continue with us post-launch on a dedicated-team model for ongoing feature development, security patches, and iteration. If you want to bring development in-house instead, our code is clean and audit-ready enough for your team to take over.

Yes. Our fintech mobile app development covers digital wallets, mobile banking, peer-to-peer payments, and investment portfolio apps for iOS and Android. Every fintech app includes biometric authentication, encrypted storage, and real-time transaction updates.

Yes. Many of our clients outsource their fintech development while keeping full control over product and compliance decisions. We provide direct developer access, real-time US timezone overlap, and SOC 2 compliant data handling — not the async handoff model most offshore agencies use.

Yes. Our fintech MVP development services ship a functional, money-moving product in 10-18 weeks. We scope the regulatory requirements upfront so your MVP is compliant from day one — not a sandbox demo that needs rebuilding for production.