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How we 5×'ed leads for a bootstrapped PropTech from SEO & AI Search

Planeco Building is a bootstrapped PropTech from Hamburg. Together with Radyant they saw 5× lead growth and reached the #1 spot in their AI Search visibility competitor set in just about 10 months.

Sebastian (CEO @ Planeco Building) and Niklas (CEO @ Radyant) walk through the case in 10 minutes.
  • leads from SEO & AI Search
  • 6-figurenew revenue unlocked
  • >110%citation rate in AI Search
  • #1AI Search visibility in competitor set

Executive summary

  • 5× lead growth from the baseline month
  • 2×'ed AI Search citation rate from 55% to >110%
  • Launched multiple lead magnets and interactive mini-tools
  • Optimized content design specifically for conversion
  • Built deep market understanding through structured expert interviews
YoY growth from March 2025 (first collab month) to March 2026
61
Jan2025
53
Feb2025
45
Mar2025
81
Apr2025
93
May2025
60
Jun2025
80
Jul2025
99
Aug2025
108
Sep2025
115
Oct2025
114
Nov2025
94
Dec2025
156
Jan2026
218
Feb2026
225
Mar2026
Source: Planeco CRM, last-click attributed organic leads

Planeco Building is a bootstrapped PropTech from Hamburg

Planeco Building helps homeowners and commercial property managers navigate regulatory challenges around building permits and change-of-use approvals. If you want to rent out your house or apartment via Airbnb, turn a commercial storage hall into a padel court, or expand a coffee-shop franchise nationwide, Planeco is the right partner.

The category is unforgiving. Every piece of content has to be legally accurate, regionally specific, and current with the latest regulation. Get any of that wrong and the brand loses credibility immediately, which is exactly why generic AI content was never going to work here.

See the whole process and the results

When we started, traffic tanked due to AI Overviews

The category got hit early and hard by Google's AI Overviews rollout. Informational queries that used to send Planeco real clicks started getting answered above the fold by Google itself, with no citation. The old ranking-led playbook would have produced more traffic and less pipeline, exactly the wrong direction.

We pivoted: stop optimizing for ranking position alone. Optimize for being the source AI engines pull from, and design every page to convert the visitors who do click through.

Subject matter expert interviews

Generic AI tooling can't write legally accurate content about German building permits. The knowledge sits with Planeco's founders, who navigate this regulatory surface every day.

We built a structured interview process to extract that knowledge: workflow questions, regulatory specifics, the why behind every decision a homeowner has to make. Each article anchors back to a real expert exchange, which is exactly the kind of depth AI Search engines reward and that competitors can't fake by editing AI output.

Lead magnets with massive value for the audience

Lead magnets at Planeco aren't 3-page whitepapers. They're tools and reference material a buyer would pay for if it weren't free: permit checklists, change-of-use guides, regulatory cheat-sheets per German state. Each magnet sits inside the article that maps to its buyer intent so the request → conversion is short and direct.

Interactive mini-tools that increase engagement

The hero conversion asset isn't a PDF. It's a permit checker. Buyers come in with a question ("can I turn this commercial space into housing?"), get a structured answer in 30 seconds, and self-qualify into the funnel without ever speaking to sales. Tools like this 2-3× engagement on the pages they live on, and lift conversion well above what static lead magnets can do alone.

Optimized content design to drive conversions

Most blog templates were built for SERP readers, not extractive AI engines or modern buyers. We rebuilt Planeco's article template from scratch: structured FAQs that lift cleanly into AI answers, comparative tables, sticky in-content CTAs, conversion blocks at intent breakpoints. The same content gets cited more and converts more.

2×'ed AI Search citation rate: from 55% to over 110%

Citation rate above 100% means the AI engine cites Planeco multiple times per response. Inside 10 months they became the source AI engines couldn't answer permit questions without referencing, across ChatGPT, Perplexity, and Google AI Overviews. In a category where most competitors are invisible to AI Search, this is the moat.

Mentions and citations across the AI Search surface

Beyond the dashboard data, the proof is in the product: Planeco now shows up by name in answers from ChatGPT, Perplexity, and Google AI Overviews when buyers ask permit-related questions. For a regulatory-sensitive category, getting cited is the conversion event. Buyers ask the AI which expert to talk to, and Planeco gets named.

The Radyant crew

The key people behind this case study

Jessica Ehrhardt

Jessica Ehrhardt

Chief Growth Officer
Obsessionrocycle
In Search since2021
Arne Gonschor

Arne Gonschor

Senior Growth Strategist
Obsessioncake
In Search since2020
Niklas Manikowsky

Niklas Manikowsky

Growth Strategist
Obsessiontech
In Search since2023
Larissa Jaite

Larissa Jaite

Design Specialist
Obsessionillustration
In Search since2022

What others say about working with Radyant

They can say it better than we ever could

I have worked with a lot of agencies over the years. Radyant works like a really great business partner. Relentlessly curious, doing their own research, experimenting, constantly rebuilding their own processes, and that goes straight into the client work. No outdated playbooks, just straight expertise, full dedication to providing the best for their clients - and just great people to work with! If you want to know what works in search right now, Niklas and his team are who I would ask!

Margus Veeber
Margus Veeber
Head of Web, Pipedrive

We took Heyflow from #9 to #1 in AI Search visibility in 6 months and 3x'ed MRR pipeline. The only channel that converts better? Referrals, people who actually recommend Heyflow to others. Huge shoutout to Niklas Buschner and the team at Radyant who helped us build the foundation for this.

Amir Bohnenkamp
Amir Bohnenkamp
CEO & Co-Founder, Heyflow

We set clear goals from day one: more leads, better attribution, and a presence in AI search. Nine months in, organic leads have more than tripled and AI search has become a real acquisition channel for us. The team at Radyant knows what they're doing.

Julian Lübke
Julian Lübke
Co-Founder & CEO, deeploi

Growth doesn't come from playing it safe. It comes from running smart experiments. With Radyant, in less than a week we shipped 247 AI-powered pages. Ambitious, data-driven, ready to push boundaries.

Yvonne Muschler
Yvonne Muschler
Co-Founder, Planeco Building
Niklas Buschner and Yvonne Muschler on the OMR Yellow Stage, May 2026

We tested very innovative SEO approaches with Radyant that are already bearing fruit and have helped us take the next big leap. The team always goes the extra mile, not only on SEO, but wherever there's an urgent need.

Sebastian Rupp
Sebastian Rupp
CEO & Co-Founder, Planeco Building

We've been working very successfully with Niklas and the team since 2022. Absolute marketing experts. I can recommend them 100%. We got really lucky to hire them.

Maximilian Schroeren
Maximilian Schroeren
Co-Founder, Enter

The team is fully committed, highly motivated, and does great work. They independently bring very good ideas and take care of high-quality implementation. I can fully recommend working with them.

Alexander Manafi
Alexander Manafi
CEO & Co-Founder, ToolSense

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Book meeting
  • Jessica Ehrhardt
    Jessica Ehrhardt
    Chief Growth Officer
    Obsessionrocycle
    In Search since2021
  • Nina Grimmeiß
    Nina Grimmeiß
    Growth Account Executive
    Obsessionnyc
    In Search since2023