Mortgage

Mortgage technology engineering, grounded in MISMO, TRID and GSE requirements.

Engineering, testing and data services for lenders, servicers and mortgage technology providers, delivered by a team with deep experience in mortgage systems and decisioning.

Offerings for mortgage

Five offerings, built for lenders and servicers.

Engage an offering on its own, or add Reslt AI engineering for the wider build.

AI-Powered Test Automation

With the Mortgage Domain Pack

MISMO payloads, GSE delivery paths, credit and pricing rules — tested in your pipeline, reproducible from the commit.

AI-Powered Test Automation →

LLM Assurance

For borrower- and staff-facing AI

Guardrails, retrieval context and required disclosures tested before release and on every change.

LLM Assurance →

Data Exchange Engine for MISMO

ULAD, UAD, UCD, ULDD and servicing

Bidirectional, round-trip-tested conversion with an evidence record on every conversion.

Data Exchange Engine →

On-Prem Customized LLM for Mortgage

A mortgage LLM inside your walls

Customized to your documents and policy language, deployed in your environment. It proposes; a named person decides.

On-Prem LLM →

Governance Readiness

MISMO FRAME, SOC 2 and privacy

The AI inventory and evidence the GSE requirements call for, with SOC 2 and CCPA readiness.

Governance Readiness →

Why domain depth matters

Mortgage technology leaves little room for error.

Fluent in the regulated reality

Audits, PII, credit data, investor requirements — our team has worked within these requirements for years, and speaks your buyers' language.

Freddie Mac depth, on the team

The people who ran the decisioning effort behind Freddie Mac's transition to MISMO data — Seller/Servicer Guide, pricing and product compliance — are on this team, and on your engagement, where the depth is accountable rather than cited.

Domain models, day one

We arrive with mortgage domain depth most teams spend years accumulating — so your roadmap starts moving in week one.

Where we're deep

Experience across the mortgage lifecycle.

  1. Origination & point-of-sale

    Application intake, POS and LOS flows, pricing and eligibility.

  2. Underwriting & credit decisioning

    Automated underwriting logic, credit-bureau data, GSE and agency rules.

  3. Documents & disclosures

    TRID-governed disclosures, document generation and retention.

  4. Servicing & investor reporting

    Boarding, payments and escrow, plus investor and agency reporting.

DepthMISMO data, TRID and the GSE Seller/Servicer Guide — across the whole loan
The loan lifecycle end to end — we arrive with the domain models most teams spend years building.

Origination & point-of-sale

Application intake, POS and LOS flows, pricing and eligibility, product and rate decisioning — the front of the loan, built to move fast without breaking the rules that govern it.

Underwriting & credit decisioning

Automated underwriting logic, credit-bureau data, GSE and agency eligibility rules — expressed as deterministic, auditable code, the way our team built decisioning at Freddie Mac.

Servicing & investor reporting

Boarding, payments, escrow and servicing workflows through to investor and GSE reporting — the long tail of the loan, where correctness compounds over years.

Documents & disclosures

TRID-timed disclosures, document generation, e-sign and closing packages — the paper trail an examiner reads first, generated traceably and on schedule.

The data layer

MISMO, implemented as data.

Most teams treat mortgage data as a mapping problem to solve later. We start from the data model — because a loan that isn't correct as data is a loan that fails downstream, in delivery, in servicing, in the audit.

The MISMO reference model, natively

The MISMO logical data dictionary, ULDD and iLAD delivery containers, GSE delivery data and credit-bureau feeds — modeled from the first commit, not bolted on when the integration deadline arrives.

Validation that mirrors the rules

Data validation built to the GSE Seller/Servicer Guide, agency edits and delivery requirements — so errors surface at the point of entry, not in an investor rejection weeks later.

Compliance rules as auditable code

Eligibility, pricing and product rules expressed as deterministic, traceable logic — the decisioning discipline this team built at Freddie Mac, applied to your stack.

And when your model has to meet MISMO on the wire: the Data Exchange Engine converts between your proprietary model and MISMO both ways — Reference Model 3.6.x and MCD v2.0 — with a round-trip test behind every mapping and an evidence record behind every conversion. See the engine →

Integrations

Mortgage integrations we have built against.

A modern loan touches a dozen systems before it closes. We've built against the ones that matter — so integration is engineering, not discovery.

Origination & underwriting

POS and LOS platforms, automated underwriting (DU and LPA), and product and pricing engines — connected through documented, testable adapters.

Data & credit

Tri-merge credit-bureau feeds, verification services, and flood and title providers — integrated with the PII controls a mortgage examiner expects.

Docs, closing & delivery

Document generation, e-sign and e-close, plus GSE delivery through ULDD and iLAD — the paper trail and the pipe to the investor, both built in.

Governance Readiness · AI governance already in force

Both GSEs now require AI governance — and both rules are already live.

This stopped being a planning exercise in 2026. If AI or ML touches origination, underwriting, documents, servicing, fraud or borrower outreach anywhere in your stack, the obligation is live today — and it reaches through to the platforms you buy from, not just the ones you built.

Freddie Mac · in force 3 March 2026

Bulletin 2025-16

Applies wherever AI or ML appears — underwriting automation, document intelligence, chatbots, fraud detection, income calculation, borrower outreach. Requires senior-management approval, annual policy review, monitoring, audits, bias and security checks, and segregation of duties.

Fannie Mae · in force 6 August 2026

Lender Letter LL-2026-04

Not limited to underwriting — and explicitly draws no distinction between a system a lender built and a system a lender bought. Every lender now has to be able to answer for its vendors' AI, which puts the obligation directly onto the platforms serving them.

MISMO FRAME is the common language for answering it. The Framework for Responsible AI in the Mortgage Ecosystem gives lenders a shared shape for the work — an AI system inventory, a governance policy and a risk assessment. It maps almost one-to-one to the governance we've engineered from day one.

Every AI system, inventoried

You get a clear record of where AI is — and isn't — in what we build: exactly the inventory FRAME asks lenders to maintain, so nothing runs unaccounted for.

Deterministic where it decides

No model improvises a rate, an eligibility call or a disclosure. AI does its work at build time; what ships is deterministic, reviewable code — the cleanest answer to a FRAME risk assessment.

Governance, documented

Policy, provenance and audit trails delivered alongside the code — the evidence a FRAME governance policy calls for, ready for your compliance team and your regulator.

FRAME alignment, SOC 2 compliance and data privacy come together in one offering. See Governance Readiness →

How we handle compliance

The regulated perimeter, handled as engineering.

The regulated perimeter, natively

TRID timelines, MISMO data standards, GSE and agency guidelines, NPI and consumer-PII handling — this is the vocabulary we've worked in for decades, not a checklist we learned for your project. Our leadership participated in MISMO's first Decision Community of Practice.

Evidence, not assurances

SOC 2-grade controls designed into the architecture — RBAC, encryption, audit trails, segregation of duties — with the documentation your partners, investors and examiners ask for, delivered alongside the code.

The Reslt Platform

How we deliver mortgage software.

The Reslt Platform enables a senior team to deliver enterprise-grade mortgage software quickly, with evidence, without taking custody of your code.

A senior team, multiplied

Every discipline — engineering, testing, security, DevOps — is led by a senior specialist, with the platform behind each one. That's how a small team delivers like a full mortgage engineering department. You receive the software; you never operate a tool.

Your code never leaves your environment

The platform operates in your environment. Zero code transfer, and your security team can verify it. What we hand off is standard, documented code you own outright.

Fluent in mortgage data, by design

MISMO data standards — ULDD and iLAD — GSE delivery data, credit-bureau feeds and consumer PII are modeled on a domain-grounded spine, so what we build is domain-correct from the first commit.

See how the platform works →

Our customer · mortgage

A lending platform, built end to end — and run by our team.

A mortgage customer whose product our team builds and operates: origination, secure credit-bureau and lending-partner integrations, and servicing workflows, with consumer PII handled to financial-grade compliance. Reslt AI is their entire engineering and technology operation — architecture through production support.

01 Origination Application & decisioning flows
02 Integrations Credit bureaus & lending partners, secured
03 Servicing Workflows built end to end
Under every stage: consumer PII at financial-grade — RBAC, encryption, audit trails
See the outcomes →

The short version

What enterprise-grade requires in mortgage.

A conversation about your mortgage technology and your requirements.

Talk to our mortgage team

Not ready for a call? Start with the four-week engagement →