VC firms
BitStone Capital is a venture capital investor focusing on innovative and sustainable technology companies in the real estate and construction sector. Beyond financing, BitStone Capital catalyzes the growth of its Real Estate- and Construction-Tech portfolio companies with its extensive network, unique industry know-how and -access, as well as specific expertise in new technologies. With its investments, BitStone Capital would like to make a contribution to the sustainable and future-proof transformation of the real estate and construction industry.
Please visit us at: http://www.bitstone.capital/impressum/
Please visit us at: http://www.bitstone.capital/impressum/
Overview
Location
Germany, North Rhine-Westphalia, Cologne
Employees
11-50
Founded date
2017
Investment Type
Venture Capital
Portfolio 5
| Date | Name | Website | Total Raised | Location |
| Sign up to see | Sign up to see | Sign up to see | Sign up to see | Sign up to see |
| Blaenk | blaenk.com | Germany, North Rhine-Westphalia, Cologne | ||
| Bimspot | bimspot.io | Austria, Vienna | ||
| aedifion | aedifion.com | $52.58M | Germany | |
| Pinestack | pinestack.io | Germany, Bavaria, Bamberg |
Persons 13
| Date | First Name | Last Name | Title | Location | |||
| Sign up to see | Sign up to see | Sign up to see | Sign up to see | Sign up to see | Sign up to see | Sign up to see | Sign up to see |
| Akin | Özdemir | Investment Manager | |||||
| Thomas | Knaack | Venture Partner | |||||
| Manfred | Heid | Managing Partner | m**********[email protected] | ||||
| Martin | Bressem | Investment Manager | |||||
| Michael | Kokorniak | Venture Partner | |||||
| Marc | Stilke | Venture Partner | m*****[email protected] | ||||
| Daniel | Pölt | Investment Manager | d**********[email protected] | ||||
| Kai | Panitzki | Managing Partner | k**********[email protected] | ||||
| Marnix | Roes | Investment Manager |
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Mentions in press and media 11
| Date | Title | Description |
| Sign up to see | Sign up to see | Sign up to see |
| Feb 18, 2026 | Optiml raises EUR 8 million to advance Real Estate Decision Intelligence | As refinancing pressure, regulation, and investor scrutiny intensify, real estate firms face concrete questions around what is financeable, leasable, and defensible in investment committees and lender processes. Existing tools, from spreads... |
| Feb 17, 2026 | PropTech startup Optiml secures €8 million to expand real estate AI platform | Optiml, an ETH Zurich spin-off founded in 2022, is pioneering Real Estate Decision Intelligence (REDI)—a new software category enabling institutional investors, asset managers, owners, and their consultants to continuously optimize hold, s... |
| Dec 23, 2025 | „Fundraising kostet viel Zeit und Fokus“ | Das Kölner PropTech aedifion, 2017 von Johannes Fütterer, Felix Dorner, Jan Henrik Ziegeldorf und Erik Brümmendorf gegründet, entwickelt eine Software, mit der Immobilienbesitzer die Betriebskosten analysieren und im besten Fall senken könn... |
| Jan 22, 2025 | Green Fusion and Vertical Compute: Pioneering the Future of Energy and Technology | In the heart of Europe, two startups are rewriting the rules of their respective industries. Green Fusion, a Berlin-based innovator, is tackling the inefficiencies of heating systems. Meanwhile, Vertical Compute, hailing from Belgium, is br... |
| Jan 21, 2025 | Green Fusion secures €12 million to further develop heating systems and fuel its growth | Green Fusion, a Berlin-based startup specialising in the digitisation and optimisation of heating systems for apartment buildings, has successfully closed a €12 million Series A funding round. The round was led by HV Capital and XAnge, with... |
| Aug 22, 2024 | Optiml: Pioneering the Path to Sustainable Real Estate | In a world grappling with climate change, the real estate sector stands at a crossroads. Traditional methods of property management and investment are being challenged by the urgent need for sustainability. Enter Optiml, a Zurich-based prop... |
| Aug 21, 2024 | Net Zero PropTech Optiml secures $4M to decarbonize real estate | Optiml, the digital platform for Net Zero real estate investment and renovation planning, has closed a $4M Pre-Seed Extension funding round. The round was led by BitStone Capital, a specialist investor in real estate and construction techn... |
| Aug 21, 2024 | Optiml raises $4M Pre-Seed for ESG-compliant assets | Optiml, a digital platform for Net Zero real estate investment and renovation planning, has closed a $4M pre-seed extension funding round. The round was led by BitStone Capital, and supported by KOMPAS VC. An ETH Zürich spin-out, Optiml’s A... |
| Aug 7, 2024 | +++ Solytic +++ Aeditive +++ Pflegix +++ Black Forest Labs +++ Startup-Politik +++ KI +++ DHDL +++ | Was gibt’s Neues? In unserem #StartupTicker liefern wir eine kompakte Übersicht über die wichtigsten Startup-Nachrichten des Tages (Mittwoch, 6. August) #STARTUPLAND: NUR FÜR FRÜHE VÖGEL +++ Kommt mit ins Startupland! Ab sofort könnt Ihr Eu... |
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FAQ about BitStone Capital
When was BitStone Capital founded?
BitStone Capital was founded in 2017.
How many startups has BitStone Capital invested in?
BitStone Capital has 5 portfolio companies on Parsers VC, among them Blaenk, Bimspot and aedifion.
What has the press written about BitStone Capital?
Parsers VC has collected 11 articles mentioning BitStone Capital, among them “Optiml raises EUR 8 million to advance Real Estate Decision Intelligence” (Feb 18, 2026) and “PropTech startup Optiml secures €8 million to expand real estate AI platform” (Feb 17, 2026).
Is BitStone Capital still active?
Yes, BitStone Capital is active; its latest activity on Parsers VC dates from Sep 20, 2026.