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Manual credit decisions, paper applications, and disconnected origination and servicing systems slow down lending operations and create compliance risk. Borrowers expect the same digital experience they get from consumer apps.
We build custom lending software for originators, underwriters, and servicers, loan origination systems, underwriting automation, borrower portals, and servicing platforms designed for your specific loan products and risk rules.
Custom loan origination, underwriting, and servicing software for your specific products
Automated credit decisioning with your risk rules and scoring models
Borrower portals and mobile apps for a digital-first application experience
100+ products shipped including fintech and financial services platforms
Recent outcomes
Fintech · SME lending platform
Built a full loan origination and servicing platform with automated credit decisioning for an SME lender in the US.
12 weeks to productionConsumer lending · Borrower portal
Replaced a paper-based application process with a mobile-first borrower portal and open banking integration.
0% manual data entryHIPAA-compliant platform · Healthcare fintech
Delivered a HIPAA-compliant patient financing platform with compliance controls and audit trails built in from week 1.
150+ active accounts in 12 weeksRecognition
Your underwriting team manually reviews applications that could be auto-decisioned?
Borrowers abandoning because your application process is too slow or too manual?
In short
RaftLabs builds custom lending software for originators, underwriters, and servicers in the US and UK. Loan origination systems, automated credit decisioning, borrower portals, and servicing platforms. Fixed cost, compliance-aware, 100+ fintech products shipped.
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Every day in the underwriting queue costs the borrower their patience and costs you the deal. Manual credit reviews that could be automated, document requests that could be pre-filled from open banking data, and application portals that don't work on mobile, these aren't just UX problems. They're revenue problems.
Custom lending software is built around your products, your risk rules, and your borrower experience goals. Not a generic lending platform that treats every loan type the same.
Mortgage builds have their own requirements: rate lock management so borrowers aren't left exposed between application and close, pipeline dashboards for loan officers tracking multiple live files, automated underwriting system (AUS) integration with Fannie Mae Desktop Underwriter and Freddie Mac Loan Product Advisor, and disclosure workflow automation that generates TRID-compliant Loan Estimates and Closing Disclosures within the 3-business-day window (US). In the UK, that means MCOB-compliant suitability assessments, MCD affordability calculations, and ESIS/KFI document generation. We build mortgage software to the regulatory requirements of your market, not to a generic origination template.
For the document processing automation that handles borrower document intake and verification, we scope that within the same engagement. For business process automation of compliance reporting and operational workflows, see our dedicated service.
Capabilities
End-to-end application workflow from initial enquiry through to offer and acceptance. Configurable application forms per loan product, consumer, SME, and mortgage flows built separately because they collect different data and trigger different compliance checks. For mortgage: rate lock management with expiry tracking, pipeline dashboard for loan officers managing multiple live files, AUS integration (Fannie Mae DU, Freddie Mac LPA) for automated underwriting decisions, and appraisal ordering workflow. Automated document requests, status tracking, and offer/decline letters generated without manual drafting.
Credit decisioning engines that apply your risk rules automatically. Bureau data, open banking analysis, income verification, and fraud checks all pulled and assessed without manual intervention. Auto-approve, auto-decline, and refer workflows based on your thresholds. Underwriter queues pre-populated with the data they need to make the decision.
Digital application portals that work on mobile and desktop. Document upload with OCR pre-fill. Application status updates in real time. Repayment schedules, statements, and account management post-funding. A borrower experience that matches what they expect from modern financial products.
Repayment tracking, arrears management, and settlement calculations. Automated payment collection via direct debit or open banking payments. Arrears escalation workflows. Hardship management processes. Regulatory reporting. The operational backbone for managing your loan book after origination.
Integration with credit bureaus, open banking platforms, income verification services, identity verification providers, and fraud detection tools. Data pulled automatically at the point of application. Consent management and data retention built to your regulatory requirements. No manual data pulling or re-entry.
Responsible lending checks, affordability assessments, and disclosure workflows built in. For mortgage origination in the US: TRID-compliant Loan Estimate and Closing Disclosure generation within the required windows, HMDA data collection and reporting, and QM (Qualified Mortgage) eligibility assessment. In the UK: MCOB suitability assessment workflows, MCD affordability calculations, and ESIS/KFI document generation. Regulatory reporting for your jurisdiction, audit trails for every credit decision, and fair lending monitoring. The compliance architecture your regulator will want to see when they audit you.
Why us
The engineers who assess your problem also build the solution. No bait-and-switch, no offshore handoff after the contract is signed. The team you meet in week 1 ships in week 12.
We scope the work, calculate the cost, and lock it in writing before any development starts. A scope change is a change request: priced, agreed, or dropped. It never absorbs into the project and appears on the final invoice.
Clients include Vodafone, T-Mobile, Aldi, Nike, Cisco, and Lockheed Martin. Track record across AI, SaaS, mobile, automation, and enterprise platforms across healthcare, fintech, logistics, and hospitality.
GDPR, HIPAA, SOC 2 — compliance requirements are scoped in week 1, not retrofitted before launch. For lending, that means responsible lending checks, affordability assessments, KYC/AML controls, and regulatory reporting are part of the architecture, not bolted on at the end.
We'll design the platform and give you a fixed cost.
Process
We start by documenting your loan products, your credit risk rules, and your regulatory obligations before designing anything. Consumer lending, SME lending, mortgage, BNPL, each has different decisioning logic, different compliance requirements, and different borrower experience expectations. The architecture follows from the product, not the other way around.
Loan product documentation: types, terms, eligibility criteria, risk tiers
Regulatory requirements mapping: responsible lending, KYC/AML, reporting obligations
Borrower journey mapping from application to disbursement and repayment
Fixed-cost scope for the first phase with milestone delivery dates
We design your credit decisioning engine before building it. Rules-based logic for auto-approve and auto-decline. Scoring model integration for risk-graded decisions. Referral routing for edge cases. Every decision logged with the supporting data so your compliance team can audit it and your risk team can improve the rules over time.
Decisioning rules design with your risk and compliance team
Scoring model integration architecture (bureau data, open banking, income verification)
Referral and underwriter queue design for out-of-rules applications
Audit trail architecture for every credit decision
We build in 2-week sprints. Origination, decisioning, borrower portal, and servicing modules are built in sequence against agreed specifications. Compliance controls are built alongside functional features, not added at the end. Your compliance team can review what's been built at each sprint, not just at launch.
2-week sprints with working platform demos at the end of each
Compliance controls built into each sprint, not deferred
Automated tests for business rules, decisioning logic, and regulatory workflows
Code review and integration tests as standard practice
We connect the platform to credit bureaus, open banking APIs, identity verification services, and payment providers. Each integration is tested against real data before go-live. Compliance testing covers responsible lending checks, consent management, data retention rules, and regulatory reporting. Your compliance team signs off before launch.
Credit bureau, open banking, and identity verification integrations tested end-to-end
Responsible lending and affordability check validation
Regulatory reporting tested against your jurisdiction's requirements
Penetration test support and security review documentation
We deploy to production and support your compliance team's pre-launch review. Documentation covers data flows, consent management, credit decision logic, and security controls in the format regulators and auditors expect. Post-launch monitoring covers decision rates, application volumes, system errors, and latency.
Production deployment with monitoring and alerting
Compliance documentation: data flow maps, decision audit trails, consent records
Regulatory reporting validation in production
Post-launch support plan and incident response process
Tell us your loan types and decisioning requirements. We'll scope the platform and give you a fixed cost.
What clients say
Three-year average engagement. Founders and operators describing the work in their own words. No marketing varnish.

I was pleased with RaftLabs team's quality, consistency and execution.
01 / 03
Custom Software Development
Full-stack custom software for fintech products that go beyond lending.
ERP Development
Finance and operations modules connected to your lending platform.
Business Process Automation
Automate compliance reporting, arrears workflows, and operational processes.
AI Document Intelligence
Automated document intake, verification, and extraction for loan applications.
Custom CRM Development
Broker and intermediary relationship management connected to your origination system.
Lending software development is the process of building custom digital platforms that support the full lending lifecycle, from borrower application and credit assessment through to loan origination, servicing, and repayment tracking. Custom lending software is built for your specific loan products, your credit risk rules, and your compliance requirements, rather than a generic platform that forces you to fit your products into its framework.
We build: loan origination systems (LOS) that handle the full application-to-approval workflow, underwriting automation platforms that apply your credit rules at scale, borrower portals for digital application submission and document upload, loan servicing systems for repayment tracking and account management, credit decisioning engines that score applications against your risk models, and lending marketplaces that connect borrowers with multiple lenders. We've worked with consumer lenders, SME lenders, mortgage originators, and BNPL operators.
We build credit decisioning engines that apply your specific risk rules, scoring models, and acceptance criteria automatically. The engine pulls data from credit bureaus, bank statement analysis, identity verification services, and your own data, runs it through your scoring logic, and returns a decision with the supporting data. Rules-based decisions are fully automatic. Edge cases outside the rules are routed to underwriters with all the data they need already pulled. Underwriter decisions feed back into the rule set over time.
Yes. We integrate with credit bureaus (Experian, Equifax, TransUnion), open banking APIs for bank statement analysis (Plaid, Truelayer, Nordigen), identity verification services (Onfido, Jumio, Stripe Identity), income verification platforms, and fraud detection services. The integrations are specific to your geography and the data sources relevant to your lending model. We handle the API connections, the data mapping, and the consent management.
Compliance requirements are built into the platform architecture, not added on top. For consumer lending, this includes responsible lending checks, affordability assessment, cooling-off periods, and disclosure requirements. For SME lending, it includes KYC/AML checks, beneficial ownership verification, and credit agreement documentation. For mortgage lending, it includes suitability assessments and regulatory reporting. We work with your compliance team to ensure the platform meets your specific regulatory obligations.
Yes. Mortgage origination has requirements that generic lending software doesn't address well: rate lock management with expiry and extension tracking, pipeline dashboards for loan officers managing multiple files at different stages, AUS integration with Fannie Mae Desktop Underwriter and Freddie Mac Loan Product Advisor, appraisal ordering and status tracking, and disclosure automation for TRID-compliant Loan Estimates and Closing Disclosures within the required 3-business-day window. In the UK, that means MCOB suitability assessment workflows, MCD affordability calculations, and automatic generation of ESIS and KFI documents. We build mortgage origination systems to the regulatory requirements of your market. The architecture handles the product-specific logic rather than bolting mortgage onto a consumer lending template.
A focused lending platform, origination system covering application intake, decisioning, and document management, typically runs $50,000--$120,000. Full lending platforms covering origination, servicing, and borrower portals run higher depending on the number of loan products, the complexity of the decisioning rules, and the regulatory requirements. Mortgage origination platforms with AUS integration, rate lock management, and TRID/MCOB disclosure workflows sit toward the higher end of that range. We scope every project before pricing it.
Work with us
We scope Lending Software Development Services in 30 minutes. You walk away with a clear cost, timeline, and approach. No commitment required.
FinTech software hub
Custom financial software for lending, payments, and wealth management.
AI for FinTech
AI for fraud detection, document processing, and compliance intelligence.
Fintech software development
End-to-end fintech platform development.
Payment integration
Payment rails, Stripe, and custom payment flow development.