Member implementations

Each OPDA member firm is at a different point on the adoption spectrum. The table below captures what's publicly visible from each — the products, pilots and references that you can verify from outside.

Scope

Coverage is best-effort and may lag behind what members are building. For the authoritative roster see OPDA member firms; this page focuses on what they've done, not who they are.

Some evidence below is sourced from propdata.org.uk — a legacy developer site that carries OPDA copyright but was not authored or approved by OPDA (OPDA has no editing access). Such citations are recorded for reference, not as OPDA-verified membership statements.

Estate Agency

Member	What's shipped	Evidence
Moverly (former member)	Smart Property Pack product. Tightly coupled to the PDTF schema set; produced BASPI v5 + NTS2 conforming data. A founding member and key author of the original schema, Moverly has since left OPDA — no longer part of its membership, accreditation/approvals, or the sandbox.	Smart Data Challenge prize entry (see SDC page). Vimeo briefing.
Coadjute	Property transaction network — distributed-ledger plumbing for sale-progression workflows.	propdata.org.uk membership; referenced in DPMSG materials.
PEXA	E-conveyancing network operator (originally Australian; UK arm).	Founding member; cited as orchestration provider in the DPMSG Spring 2025 report.
OnTheMarket	Property portal; PDTF-aware listing data ingestion.	Founding member; portal listings include BASPI-aligned material info.
Homely	Property platform; consumer-facing property packs.	Founding member.
Connells (association)	"Digital Sale Ready" programme — branch network using PDTF-aligned data capture.	Cited on propdata.org.uk. Sale-progression case study (industry press).

Conveyancing

Member	What's shipped	Evidence
LMS	Managed conveyancing services firm. TA6/TA10/LPE1 data exchange with member panels.	Founding member.
Smoove · Movera · Movemnt (association)	Conveyancing comparison and orchestration platforms.	Association members; integrate with PDTF-aligned conveyancers.

Mortgage Lending

Member	What's shipped	Evidence
United Trust Bank (UTB)	Founding lender. Inputs FME1-aligned data via OMS integration.	Founding member.
OMS	Mortgage technology platform supporting FME1 data flows.	Founding member.
HSBC UK · Nationwide · NatWest · Lloyds Banking Group · Santander (association)	Major UK lenders. Engaged via UK Finance representation on DPMSG.	UK Finance + BSA as DPMSG founding members.
Finova · Phoebus · MAB · L&C · Lenderhive (association)	Lender-tech and intermediary platforms.	Association membership.

Property Data Services

Member	What's shipped	Evidence
Sprift	Property data aggregator. Surfaces local-authority & HMLR-sourced data via PDTF-shaped APIs.	Founding member.
Groundsure	Search products (CON29DW-aligned drainage & water).	Founding member.
TM Group	Conveyancing search aggregator.	Founding member.
Kotini · Inventory Base	Inventory and check-in data providers.	Founding members.
Hometrack · Experian · Credas (association)	AVM, identity, and adjacent data services.	Association members.

Property Tech (orchestration)

Member	What's shipped	Evidence
Moverly (former member)	(also in Estate Agency) — orchestration product on the same stack.	SDC prize (2025). Former member — no longer in OPDA's membership/accreditation.
Coadjute & PEXA	(also in Estate Agency) — system-to-system orchestration.	Founding members.

Notable absence

Surveying / Valuation has no founding OPDA member. PIQ is in the schema set but no implementing firm has put their name publicly to the section. Hometrack (AVM-adjacent) is the closest in the association membership. See Bounded contexts for the gap analysis.