Panos Samiotis

Case Study

titlos.com

A property transaction platform built for a market that still runs on paper.

Configure transaction

Required documents update in real time.

Property type
Location
Parties involved

Required documents

6
  • Title deed Always
  • Property tax certificate (E9) Always
  • TIN registration (AFM) Always
  • Energy performance certificate Building
  • Tax residency certificate Foreign buyer
  • Power of attorney (translated) Foreign buyer

A simplified interactive demo created for this case study to show the document-logic concept.

titlos.com is a Greek real estate technology company building software to bring structure and transparency to property transactions.

In Greece, buying or selling property is not a digital experience. It is a sequence of phone calls, couriered folders, and handwritten signatures — managed across buyers, sellers, real estate agents, and notaries who rarely share the same view of where things stand.

The brief covered both halves of the problem: architect and build the platform from a blank canvas as a secure, end‑to‑end SaaS product managing the entire property transaction lifecycle — and build the surrounding acquisition, marketing, sales, and analytics engine needed to bring users in and keep them moving.


The challenge

Greek real estate transactions are fragmented, opaque, and prone to failure — and reaching the people who would benefit from a digital alternative is just as hard as the transactions themselves.

A single property sale involves multiple parties — each tracking their own documents, deadlines, and communications through a tangle of emails, phone calls, and physical paper. There is no shared source of truth. There is no visibility. There is no fallback when something goes wrong.

Beyond the transactional core, the platform faced a parallel set of commercial problems: how to acquire users at scale in a market still wedded to offline brokerage, how to move them through a sales pipeline without losing them to friction, and how to learn from their behavior once they were inside the product.

The brief came down to five problems:

  • No shared visibility. Buyers, sellers, agents, and notaries each had their own version of events. There was no common record of what had been submitted, what was pending, and what was blocking progress.
  • Documents managed outside the system. Required paperwork varied by property type, municipality, and the mix of parties involved. Errors and missing documents routinely caused costly delays — sometimes derailing transactions altogether.
  • Fragmented communication with no accountability trail. Critical decisions and confirmations happened over email and WhatsApp, with no audit trail, no deadline tracking, and no way to know who was waiting on whom.
  • High friction at the front door. Prospects arriving from marketing channels met a complex domain and a multi‑party flow. Every unnecessary step in onboarding directly cost a signup.
  • A commercial layer disconnected from the product. Marketing campaigns, sales follow‑up, and behavioral insight all needed to operate against the actual state of users inside the SaaS — not a stale export from yesterday.

The platform needed to absorb all of that complexity and present it — to every party, regardless of their technical confidence — as something clear, guided, and trustworthy.


The solution

A secure, end-to-end SaaS platform built from scratch to manage the full property transaction lifecycle — wrapped in an acquisition, marketing, sales, and analytics stack designed to bring users in and keep them moving.

Every party in a transaction — buyers, sellers, real estate agents, notaries — works within the same system, with access tailored precisely to their role. No one sees more than they should. No one is left in the dark about what they need to do next.

The platform is built around a guided, task‑based flow: a clear sequence of steps and documents, dynamically generated based on the specifics of each transaction. What used to require a notary's phone call to chase now resolves itself through the system.

Around that core sits a deliberate growth engine: a streamlined onboarding designed to convert marketing traffic into active users, a SendGrid‑powered marketing layer reaching thousands of contacts with segmented and transactional email, a Zoho sales pipeline kept in lockstep with in‑product activity, and a full record of user behavior captured directly inside the platform — all delivered as a single owned system rather than a patchwork of third‑party tools.


The transactional core

  • A task‑based, guided transaction flow that walks every participant through each step of the process. Role‑based access ensures each party sees exactly what is relevant to them — and secure document submission replaces email attachments and couriered originals.
  • A dynamic document checklist system that automatically adapts required paperwork based on the property type, location, and the specific mix of participants. Users are guided to exactly what they need to provide — no more, no less.
  • A robust notification pipeline — email and in‑app — that keeps every party informed of deadlines, pending actions, and status changes. Fragmented message chains are replaced by a single, structured source of truth.
  • Stripe billing integration for subscription and transaction‑level payments, woven directly into the workflow rather than bolted on.
  • An integrated support system and multi‑role admin panel giving the Titlos team full visibility into platform activity, the ability to assist users directly, and the data tools needed to manage and grow the product.

It is rare to find someone who combines technical excellence, ownership mentality, and professionalism the way Panos does. titlos.com would not be possible without his contribution.

Over the last 4 years working together on titlos.com, Panos has been instrumental in transforming a complex vision into a real, scalable platform. From day one, we instantly connected. His combination of technical depth, business understanding, and calm confidence creates an easy-going personality that makes even the most difficult challenges feel manageable.

Panos developed the entire system from scratch and played a critical role across architecture, frontend, and backend development. The level of efficiency, accuracy, and quality in his work has been exceptional. What stood out most was not only the speed of execution, but how stable and reliable the platform remained throughout multiple iterations and evolving requirements.

No matter the challenge, he consistently stayed positive, solution-oriented, and committed to delivering results. Over the course of the project, he repeatedly delivered on time and on budget while maintaining a very high engineering standard with remarkably few bugs.

— Nikos Spyridonos, Founder & CEO, titlos.com

Acquisition & onboarding

In a market that still defaults to offline brokerage, every step in onboarding has to earn its place.

The signup flow was designed to remove friction at the front door: short forms, progressive disclosure of complexity, and a guided introduction to the platform's first‑task experience rather than a cold drop into a dashboard. The same principle that governs the transactional core — show only what is needed, when it is needed — was applied to the moments before a user has any reason to trust the product.

The result is an onboarding path tuned to convert marketing‑driven traffic into active users instead of bouncing it at the door — turning the platform into a system that grows with its acquisition spend rather than fighting it.


Marketing automation at scale

Reaching thousands of contacts demands a marketing engine that runs without manual intervention.

The platform integrates directly with SendGrid for both campaign and transactional email. Contact lists are managed from inside the SaaS itself: segments are created, updated, and removed automatically as users move through the product, with no separate tooling to keep in sync.

Transactional messages — confirmations, reminders, status updates, deadline alerts — flow through the same provider, ensuring deliverability and a single source of truth for everything that leaves the platform by email.

The result is a marketing layer that scales with the user base: campaigns can be sent to thousands of contacts at once, while every individual still receives the right transactional message at the right moment — both driven by the same record of who the user is and what they have done.


Sales pipeline in lockstep with the product

A sales pipeline that lives separately from the product becomes stale within hours.

The Titlos integration with Zoho is built to prevent that. Pipeline stages are tightly coupled to user actions inside the SaaS: signing up, completing onboarding, starting a transaction, inviting a counterparty, reaching a milestone — each event synchronizes the corresponding lead or deal in Zoho in real time.

The commercial team works from a CRM view that reflects current product reality, not yesterday's snapshot. Hand‑offs between automated nurture and human follow‑up happen against accurate, live context — and no prospect quietly slips between systems.


Behavioral analytics, owned end‑to‑end

Understanding how users behave inside the platform is treated as a first‑class product capability, not an afterthought stitched together from third‑party scripts.

User actions are recorded directly inside the platform's own data model. Every meaningful interaction — signup, role assignment, document submission, checklist progress, invitation, payment, message — is captured with the context needed to interpret it later, and stored alongside the transactional data it relates to.

That record makes it possible to identify drop‑off points in onboarding and the transaction flow, segment users by behavior for marketing and sales follow‑up, prioritize product improvements based on what people actually do, and answer commercial and product questions without depending on external analytics tools.


Outcomes

  • A chaotic paper process replaced by a structured digital workflow, giving every party a clear, shared view of where a transaction stands and what comes next.
  • Document errors and missing submissions eliminated through the dynamic checklist system, which adapts to each transaction rather than presenting a generic, one‑size‑fits‑all list.
  • Chasing replaced by automation. The notification pipeline surfaces the right action to the right person at the right time, removing the manual coordination overhead that previously fell on agents and notaries.
  • A frictionless onboarding flow that turns marketing‑driven traffic into active users instead of bouncing it at the door.
  • A SendGrid‑powered marketing engine reaching thousands of contacts with segmented campaigns and transactional email, all driven from inside the SaaS without separate tooling.
  • A Zoho sales pipeline that mirrors product reality in real time, giving the commercial team accurate context for every conversation and removing the gap between in‑app activity and CRM state.
  • A complete behavioral record of platform activity, owned by the product itself — usable for analytics, segmentation, and decision‑making without third‑party dependencies.
  • A blank canvas evolved into a production SaaS platform — transactional core, growth engine, and admin tooling, all built and refined together through monthly client sprint reviews.