You own a commercial property you want to sell – without everyone knowing.
We assess whether we're the right partner for your sale.
The Reality
The brokerage industry has a structural problem: many brokers take on every mandate, regardless of whether they can actually close it. The result is predictable. Properties sit on the market for months. The price drops. Prospective buyers lose confidence.
In the end, the property either sells far below market value – or not at all.
brokerage mandates in Germany end without a sale. Not because the properties are bad. But because no one checked beforehand whether a sale was even realistic under the given conditions.
We decided not to play this game.Our Principle
Before we take on a mandate, we assess your property with the same diligence an investor applies before committing capital. This takes 5 to 10 business days. Afterward, you – and we – know whether a successful sale is realistic.
If yes, we commit fully.
If no, we tell you honestly why – and, if possible, recommend an alternative.
"Our capital isn't money – it's time, knowledge, and network. Like any investor, we assess whether this investment is viable. Before we commit to it."
We invest 80 to 120 hours per mandate. Viewings, negotiations, document review, buyer outreach. We only commit this time where it makes a difference.
Over 30 years of experience brokering commercial properties. Market knowledge, valuation expertise, and legal certainty – built through specialization, not breadth.
Qualified buyers, financiers, appraisers, and notaries – a nationwide network we activate specifically for your property. Not for every property.
Your Advantage
Six differences you'll notice from the very first conversation.
Your property is never shown to prospects who can't or won't buy it. No portals, no signage, no scattershot marketing. Only targeted outreach.
No portal, no rumors, no risk to your tenancies. Your property stays invisible until the right buyer has signed.
We approach investors who are actively searching for properties like yours. No hoping for luck. No listing that goes nowhere.
After our review, you receive an honest assessment – with reasoning. No sugar-coating, no vague "we'll give it a try." Clarity from day one.
You speak directly with the founder. No handoff to case workers, no rotating contacts. Whoever reviews your property also guides the sale.
Written confirmation after every milestone. Transparent timelines. Binding agreements. You always know where your sale stands.
Results
Out of 10 brokerage mandates in Germany, 6 fail. With us, it's one in seven. That's not luck – it's the result of our review before the mandate.
Industry average: 40%
When we take on a mandate, we sell.
Industry average: 6–9 months
Faster to the finish line – because preparation happens before the sale even starts.
No price erosion. No distressed sales. Realistic prices that buyers accept.
Example calculation: an office building with a market value of €8 million. The industry average achieves 88% of market value – that's €7.04 million. QUOIN achieves 96% – that's €7.68 million.
+ €640,000Difference – on a single property. Illustrative calculation. Not a guaranteed outcome.
Based on completed mandates. Industry average according to the BFW/IVD market report.
How it works
Our review process costs you nothing – except a conversation and a little patience. Afterward, you'll have a well-founded basis for your decision, regardless of whether we take on the mandate.
We get to know your property and your goals. No obligation on either side. You learn how we work – we learn what you expect. Duration: 45 to 60 minutes. In person or online.
Land register, lease agreements, financial metrics, location analysis, buyer demand. We assess six factors that determine whether a sale is realistic. Duration: 5 to 10 business days.
You receive an honest, well-reasoned assessment – in every case. Whether positive or negative. Not a sales pitch. An analysis.
If the result is positive: we take on the mandate with full commitment. If the result is negative: you receive a commercially reasoned explanation and, where possible, a recommendation for an alternative path.
Clients
We work exclusively for owners of commercial properties who want to sell – not for buyers, not for developers, not for investment funds. Across Germany, in all asset classes.
You own an office building, retail property, or logistics facility and are considering a sale. You want to know beforehand whether the timing is right and what price is realistic.
Multi-generational wealth to be divested discreetly and without public attention. The highest level of confidentiality isn't optional – it's a prerequisite.
Fund managers, insurers, or foundations looking to carry out portfolio consolidations or individual sales without market pressure.
You've already worked with a broker – and it didn't work out. No sale, no result, only months lost. We assess what went wrong and whether a second attempt can succeed.
Straight Talk
We don't work for buyers. Not for developers. Not for owners who want the highest price at any cost – regardless of market reality. And not for properties where, after our review, we don't see a realistic path to a successful sale.
That sounds harsh. But it's the reason our clients get results.
If you're ready for an honest assessment – we're the right partner.Why QUOIN
We never start a sales process we aren't convinced of. If we take on your mandate, it's because our review found that a sale is realistic – at a price that works for you, within a timeframe you can accept.
You speak with the founder. The same person who reviews your property also leads the negotiations and accompanies the notary appointment. No handoffs, no lost information, no changing responsibilities.
We don't talk about "synergies" and "market opportunities." We tell you what your property is worth, who might buy it, how long it will take, and what it costs. Clear, direct, no detours.
About Us
QUOIN — the English word for cornerstone — stands for the load-bearing role a good broker plays in every transaction. We specialize exclusively in selling commercial properties. No residential business, no mass market. Focus on what we truly do well.
Founded by Mirko Herbst, with over 30 years of experience brokering commercial properties. Based in Berlin, active across all of Germany.
Exclusively commercial properties – office, retail, logistics, mixed-use
Every mandate is reviewed in advance – following the Mandate-as-Investment Principle
Selectivity as a hallmark of quality – fewer mandates, but successful ones
Nationwide – based in Berlin, with a network that opens doors everywhere
Legal Partner
LLA Logos Legal Advisor →For corporate law matters, business succession, or M&A structuring around a sale, we recommend LLA – a law firm specializing in M&A and wealth succession.
Testimonials
"Our office building had already been with another broker for eight months. No result. QUOIN told us honestly that the original price was unrealistic – and then sold it within three months at 94 percent of the corrected market value."– Owner, office building, Berlin-Charlottenburg
"What convinced me: the decline came with a clear rationale. No other broker had the courage to tell me the timing was wrong. A year later I called again – and this time it worked."– Family office, mixed-use property, Hamburg
"Our main tenant wasn't allowed to find out. QUOIN handled the entire process so discreetly that even our property management company was only informed after the notary appointment."– Institutional owner, logistics property, North Rhine-Westphalia
Contact
Not a sales pitch. An honest initial conversation – where we understand what you want to achieve, and you understand how we work. Then you decide.
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