Verified-asset infrastructure for the industrialized-construction stack.
Keystone is the product. Callisto Bridge is the brand. TechStack Consulting LLC is the legal entity. We're building the verified- asset rail that lets industrialized construction finance, insure, and benchmark itself like a real asset class.
Why we built Keystone
Industrialized construction is finally scaling — modular, panelized, prefab volumetric, hybrid steel-frame. The factory output exists. The buyers exist. The capital exists. The thing that doesn't exist is the verified-asset rail that lets all three speak the same language about the same module.
Without it, every modular deal gets underwritten by hand, insured by class rate, and disbursed on trust. Keystone fixes that — and turns the same fix into five revenue engines (Registry, Capital Rail, Disbursement Rail, Insurance Rail, Index) that compound margin off a single ingested record.
Who runs it
Danny Newland founded TechStack Consulting LLC and built Keystone. 28 years of operating + executive leadership across software and real-estate-services. Before Keystone, Danny built and ran software platforms inside the real-estate and member-services industries — both as CTO and as CEO. That background matters: Keystone is a manufacturing problem wrapped in a real-estate problem wrapped in a software problem. Most modular vendors are good at one of those three. The verified- asset rail needs all three.
Why "Keystone"
A keystone is the load-bearing piece at the top of an arch — the single stone that holds the whole structure together. The industrialized-construction ecosystem has manufacturers, lenders, insurers, and government programs all trying to deliver the same housing. Without a shared asset record, they each carry their own load alone. Keystone is the shared piece that lets them transfer load between each other. That's the whole product.
Why "Callisto Bridge"
A bridge has one job — connect two sides safely under load. Manufacturers are on one side. Capital + insurance + government on the other. The job is making sure everything that crosses gets across without losing structural integrity. Callisto Bridge is the wrapper brand; Keystone is the load-bearing product.
How we work
We don't sell consulting. We sell the rail. Sign up, ingest modules, watch the downstream engines compound. We work with design partners — early-adopter manufacturers, GSE pilots, state HFA programs, and reinsurance MGAs — to harden the underwriting models on real volume.
The technology
Postgres + Supabase + Edge Functions. Row-level security
enforced per workspace. Five live API surfaces (underwrite,
pool-summary, disburse, price-insurance, index licensing) all
backed by the same registry. React + Vite frontend at
app.callistobridge.com. Built to run on workspace
isolation so no manufacturer sees another's data.
The registry is the load-bearing piece. The engines compound on top.
Open the registry. Register a module.
Five minutes from signup to your first KeyScore. The same record then flows through underwriting, disbursement, insurance, and the index — without re-entering data anywhere.