Specialist lending, built around complex credit.
For lenders writing complex credit, exceptions, and non-standard cases.
Specialist lending is where rigid rule engines fail and human judgement matters most. Mast gives underwriters a copilot for complex credit histories, captures every exception with a full audit trail, and flexes to whatever non-standard product you write next.
The friction specialist lending inherits.
Complex credit histories that resist rigid automation
Exceptions handled differently across underwriters
Manual overrides that leave no paper trail
New product lines that need platform changes before they can launch
What Mast brings to specialist.
Underwriting copilot for complex cases
AI summarises non-standard cases, surfaces risk signals, and drafts case notes so underwriters spend time on judgement, not administration.
Fully audited exceptions
Every override, deviation, and manual decision is captured against the case with reason, reviewer, and timestamp.
Flexible journeys and policy
Journeys, criteria, and policy are configuration, not code. Reshape steps, add data sources, and change appetite without a release cycle.
New products without a rebuild
Product, policy, and channel are decoupled, so a new specialist product is a configuration exercise on the same platform, not a fresh implementation.
Manual, automated, or anywhere between
Choose how much of each case is automated by product, channel, or risk band, and move the line as your confidence and data improve.
Non-standard data and security
Unusual income, ownership, and property structures modelled natively, with valuations and legal steps orchestrated to fit the case.
What good looks like.
Complex cases are assessed with the same rigour, whichever underwriter picks them up.
AI drafts the case narrative so underwriters can focus on decisions, not documentation.
Every deviation from policy is recorded with reason and reviewer for regulator and board confidence.
Specialist journeys on Mast.
Production journeys you can turn on today, configured to your policy and criteria.
- Complex Credit
- Self Build
- Family Assist
- Joint Borrower Sole Proprietor
Journeys currently in preview. Available for early access and co-development with select lenders.
- BridgingPreview
- Second ChargePreview
See Mast for Specialist
Walk through your product with the team and see how Mast maps to it.
Get in touch