Property deals.
Handled by Harold.

Harold finds the right sites, appraises them in minutes and keeps every deal moving, around your mandate and your models.

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Harold's Sites board: every Site by stage, with its value and Harold score

Trusted by property leaders and partners worldwide

One platform for property work.

Harold Assistant Harold Appraisals Harold Inbox Harold Vault Harold Spaces Harold Workflows

Property teams use Harold for

  • Finding sites
  • Screening listings against mandates
  • Appraising sites
  • Sales and rental comparables
  • Reading planning packs
  • Reaching out to landowners
  • Reaching out to buyers
  • Filing correspondence
  • Drafting replies
  • Writing gateway reports
  • Sending letter campaigns
  • Monitoring planning and the market
  • Sharing deals with clients
  • Tracking tasks and deadlines
  • Preparing next actions
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Real results from real clients.

“Quote from Will to come.”
WL
Will LinayStratstone

3h 20m saved per appraisal

A development appraisal was discussed as taking around 4 hours. With Harold it takes less than 40 minutes.

CBREAppraisals

2.5–8.3 hours saved per week

The team receives around 10–20 opportunities a week and spent 20–30 minutes screening each one. Harold brings that to 5 minutes per opportunity.

Oakdale CapDeal screening

4h 10m saved per week

Ruling out a single unsuitable site took roughly 30 minutes. At 10 sites a week, initial screening now takes 5 minutes each.

SauvageLand screening

2–4 hours of daily admin eliminated

One buyer described spending 2–4 hours a day on filing, retrieving information and other admin. That is now eliminated.

NG InvestmentsProperty administration

Built for how property firms handle sensitive data.

Harold ensures your property data remains private, encrypted, and compliant with international standards.

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  • GDPR & ISO compliance

    Built to align with GDPR and ISO 27001 principles for reliable data privacy.

  • End-to-end encryption

    All data is encrypted in transit and at rest to prevent unauthorised access.

  • Access control & audit logs

    Manage user roles and track activity with audit logs.

  • Regional data hosting

    Choose EU or US hosting to match compliance and client needs.

Data sources and integrations

Harold sits alongside what you already run. It connects to your email, your documents, your files and the property data you rely on, instead of asking you to move everything into something new.

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Your questions answered

We’ve answered the common ones, plainly and quickly.

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What actually is Harold?

Find, appraise and progress property deals. Deal Finder screens supported on-market listings against your mandate. Analyst compiles evidence and runs your methodology. Property VA files correspondence, drafts replies and prepares next actions for your sign-off.

How does Harold actually understand a deal?

Harold brings the documents, correspondence and evidence attached to a deal into one connected record. Compile the evidence, run your methodology and review sources, assumptions and changes before making a decision.

Why not just use ChatGPT or Claude?

Harold organises property work around your mandate, models and ways of working: supported on-market screening, evidence-led appraisals and correspondence prepared for your sign-off.

Is our data secure?

Your data is encrypted in transit and at rest, with role-based access in your workspace. Your team controls access to the deal documents and records used in your workflows.

Do we have to change the tools we already use?

No. Harold sits alongside what you already run rather than replacing it. If you source on a platform, that carries on, Harold picks the deal up once it's in your pipeline and works from there. It connects to your email, your documents and your existing files instead of asking you to move everything into something new.