We Built the Engine Powering the Next Era of Intelligent Property Data.
Now You Can Invest In It, Build With It,
or Partner On It.
PropMarker × Lenah Ai
Whether you want to invest, innovate, disrupt, or scale, PropMarker gives you access to technology that is already years ahead of the industry.











Investors & Founders
PropMarker is the UK’s most advanced property intelligence engine - powered by LENAH, the world’s first AI that reads and understands floorplans and reasons with expert-level logic.
- This is not a tool.
- Not an app.
- Not a feature.
This is foundational infrastructure — the intelligence layer the next decade of innovation will be built on.
Meet The Founders
Investors don’t invest in ideas, they invest in founders who can execute globally.
MILTON RODOSTHENOUS - Co-Founder
The Investor’s Mind That Became the Blueprint for LENAHFounder of LetsBid, Director at MRod Group, Decades of real-world investment, development, and deal structuring.
Milton brings:
- Deep experience in valuations, lending & auctions
- Complex portfolio strategy expertise
- A powerful industry network
- PropTech success across multiple ventures
- Real investor logic directly embedded into LENAH
Milton is the investor brain behind PropMarker. His insight shaped how LENAH thinks.
ROYS KALARIKKAN - Co-Founder & CTO
The Technologist Who Turned Insight Into Artificial IntelligenceFounder & CEO of Design Direct (600+ global clients), MBA, University of Hertfordshire, 20+ years of AI, ML, data engineering & enterprise architecture
Roys brings:
- AI & ML architecture mastery
- Expertise building complex, scalable platforms
- Leadership of a global engineering team
- A proven record of delivering innovation at scale
- The technical power that turned Milton’s insight into AI.
Roys built the platform others said was impossible. His engineering is what made PropMarker a reality.
The Perfect Founding Team
Milton understands the market and the investor mindset. Roys converts that insight into powerful, scalable technology. Together, they built the intelligence platform the industry has been waiting for.
Transformational companies are created when the right technology meets the right moment in the market.
Right now, that alignment is rare, and PropMarker sits directly at that intersection.
AI Adoption is Accelerating
Industries are shifting from manual analysis to intelligent automation.
Property & Lending Are Untapped
A trillion-pound sector still lacks deep AI and intelligent standardisation.
Demand for Structured Data
Lenders, insurers, advisors and governments need reliable intelligence.
Competitors Are Years Behind
Our infrastructure is already built very hard to replicate.
Window for Leadership
Those who join now stand at the front of an inevitable wave.
For Investors
Invest in a Category-Defining AI Infrastructure Company
Why Investors Are Joining Now:
- Proven technology & real traction
- LENAH already engineered, tested & live
- Multi-stream revenue: SaaS, API, enterprise licensing, data
- A national data moat years in the making
- Founding team: deep domain insight + engineering execution
- Global scalability built into the architecture
- EIS/SEIS eligible — significantly reduced risk
This is not competition, This is category creation.
Request Investor DeckEIS/SEIS Eligible -
Reduced Risk,
Higher Upside
For angel investors, PropMarker offers an exceptional early-stage profile:
- Up to 50–70% tax relief
- Loss relief protection
- No capital gains tax on successful exits
- A strong technology opportunity with a de-risked model
Recognised by Industry Leaders,
Trusted by Innovators
“PropMarker is the most advanced intelligence engine we’ve evaluated in the property sector.”
— Senior Director, UK Lending Sector“Their data depth and AI reasoning open opportunities far beyond PropTech.”
— Partner, Early-Stage VC Fund“If they scale internationally, PropMarker becomes the Bloomberg of Property Intelligence.”
— PropTech FounderLENAH is already live
Data, SaaS, API, and enterprise
In property intelligence
Property & AI in one vision
- 38M+ UK Property Records
- 900K+ Nationwide Properties - Updated Daily
- 16M+ Historical Sales Records
- 29M+ EPC Certificates & Recommendations
- 18M+ Planning Applications
- 7M+ Census 2021 Records
- 4.3M+ Registered Companies
- 76K+ HMO Register Entries
- 75K+ Public Register Entries
- 2M+ Portal Listings
- 28K+ Education Points
- 10K+ Transportation Points
- 25K+ Healthcare Points
- 34M+ Ordnance Survey Property Records
- 272M+ Ordnance Survey Building Records
- 62M+ Ordnance Survey Land Records
- 13.5M+ Crime Records
- 2.7M+ Postcode Information Entries
- 200K+ Probate Records
- 300K+ Rental Portal Listings
- 350 Councils Article 4, HMO & Selective Licensing
For Founders, Startups & Innovators
Build with our data and technology.
Launch 7× faster. Scale without limits.
Industries We Power:
- FinTech
- PropTech
- LegalTech
- GovTech
- Smart Cities
- Education
- Insurance
- Lending
- Automation
- Chatbots
- Enterprise Intelligence
What You Can Build with PropMarker:
- Valuation & lending tools
- Risk, scoring & underwriting engines
- Planning, regeneration & compliance platforms
- Chatbots powered by intelligent location reasoning
- Analytics dashboards
- Consumer-facing property or finance apps
- Market analysis & opportunity tools
Your vision. Your idea. We power it — as your technology partner.
Request API AccessMost PropTech startups fail because building the data engine alone is impossible.
PropMarker lets you build on top of a national-scale intelligence foundation — with zero upfront cost, zero data cleaning, zero engineering overhead.
PropMarker isn’t just another PropTech product — it’s the intelligence platform PropTech has been waiting for.
Co-Founders
You Don’t Need to
Build the Engine. We
Already Did.
PropMarker’s AI and data infrastructure, the same backbone that powers LENAH, is now open to innovators and founders who want to create something extraordinary, fast.
You bring the idea. We’ll bring the data, the intelligence, and the infrastructure. With PropMarker APIs and white-label access, you can:
- Launch valuation or market-analysis tools within weeks.
- Build B2B PropTech or FinTech solutions without data sourcing.
- Integrate property scoring, BMV detection, and planning data into your app.
- Co-develop with our AI team on new use cases.
Capabilities Include:
- AI Valuation & Price Prediction
- Planning & Development Opportunity Tracking
- BMV & Auction Detection
- Comparable Analytics & Deal Scoring
- Customisable APIs for PropTech Integration
The Most Advanced
Property Intelligence
Platform in the UK.
Behind LENAH stands PropMarker Core a learning, evolving, continuously updating intelligence engine.
Those who partner early won’t just use PropMarker, they will define the category.
You’ll Either Use PropMarker, or Compete Against It.
We’ve built the data, the logic, and the infrastructure.
Now the only question is: will you be part of it, or be left catching up?
2+ years
of deep R&D and
AI engineering
20+ professionals
AI, data, and
full-stack experts
500+
successful software &
digital projects delivered
Scalable
battle-tested infrastructure
ready for global rollout
PropMarker began with a simple truth:
Businesses are drowning in data but starving for intelligence.
LENAH was our answer, an AI capable of interpreting property and location data with human-level reasoning.
We built the system others said was too big, too complex, too ambitious.
Today, that system is live and ready for investors and innovators to scale globally.
For Startups, Founders & Innovators
Build the PropTech product you dream of without needing a £1M data team.
PropMarker gives founders the intelligence and infrastructure that normally take years, millions, and entire engineering teams to build.

AI & Decision Layer
- LENAH’s floorplan-reading AI (world-first)
- Automated layout analysis & uplift detection
- Valuation & price forecasting models
- Deal scoring, ROI, yield & BRRR analysis
- Growth zone & hotspot predictions
- Market anomaly & trend detection
- Area risk, demand & performance insights

Structured National Intelligence
- 38M+ Land Registry records
- 272M+ OS building records
- 62M+ land parcel datasets
- 34M+ EPC certificates
- 18M+ planning applications
- Historic comparables & sold chains
- Live listings & rental intelligence
- 13.5M crime & safety datasets
- 7M+ Census datapoints
- 350 councils, Article 4, HMO & licensing datasets
- Schools, transport & infrastructure layers

Developer-Ready Infrastructure
- Clean, unified API
- High-performance data pipelines
- Enterprise reliability & uptime
- GDPR-compliant architecture
- Zero setup — instant scalability
For Angel Investors, VCs & Strategic Partners
Invest in the intelligence layer that will power the future of global property.
PropMarker is a category-defining AI platform, engineered for global dominance.

Technological Breakthrough
- World’s first AI Property Guru (LENAH)
- First AI that interprets floorplans with investor logic
- Already engineered & market-tested
- This is category creation, not competition.

A Powerful, Unrepeatable Data Advantage
- Millions of structured, fused datasets
- Planning + EPC + OS + Census + Land Registry
- Rental + listings + infrastructure intelligence
- A data moat competitors need years + millions to rebuild

A Multi-Stream Global Business Model
- B2C investor subscriptions
- B2B professional products
- Enterprise licensing
- Global PropMarker API
- International expansion (US, AU, UAE, CA, EU next)

Designed for Global Expansion
- United States
- Australia
- Canada
- Europe
- United Arab Emirates
In the next decade, every property decision valuations, sourcing, planning, lending, regeneration will be powered by intelligent data.
Our mission is simple:
PropMarker will be the intelligence layer powering the global property market.
Invest.
Partner.
Build.
The Smartest Property Minds Are Already Here.
The Future Belongs to Those Who Act Early. PropMarker and LENAH represent more than platforms, they are the beginning of a movement in intelligent, data-driven decision-making.