Sebastian Marcin Siemiatkowski
Founder at FLAT CAPITAL AB
Net worth: 14 M $ as of 29/04/2024
Network origin in Sebastian Marcin Siemiatkowski first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
Stockholm School of Economics
73
| College/University | Other Consumer Services | 73 |
Klarna Holding AB
 Klarna Holding AB Miscellaneous Commercial ServicesCommercial Services Klarna Holding AB provides electronic commerce payment solutions. Its services allows consumers to make online purchases using electronic mail address and postcode. The firm's software also allows clients to have a product delivery before paying for it. The company was founded by Sebastian Marcin Siemiatkowski, Gustav Erik Niklas Adalberth, and Karl Anders Victor Jacobsson in 2005 and is headquartered in Stockholm, Sweden.
27
| Holding Company | Miscellaneous Commercial Services | 27 |
Klarna Bank AB
 Klarna Bank AB Regional BanksFinance Klarna Bank AB provides payment solutions. It offers direct payments, pay after delivery options, and installment plans. The company was founded by Sebastian Marcin Siemiatkowski, Gustav Erik Niklas Adalberth, and Karl Anders Victor Jacobsson in 2005 and is headquartered in Stockholm, Sweden.
23
| Subsidiary | Regional Banks | 23 |
Klarna, Inc.
 Klarna, Inc. Miscellaneous Commercial ServicesCommercial Services Klarna, Inc. provides online payment solutions to e-stores. Its technology lets buyers receive ordered goods before any payment is due. The company was founded by Sebastian Siemiatkowski, Victor Jacobsson, and Niklas Adalberth in 2005 and is headquartered in Columbus, OH.
12
| Subsidiary | Miscellaneous Commercial Services | 12 |
| Public Company | Investment Managers | 7 | |
Klarna UK Ltd.
 Klarna UK Ltd. Miscellaneous Commercial ServicesCommercial Services Part of Klarna Holding AB, Klarna UK Ltd. is a company that makes online shopping simple by offering ways to pay later. The company is based in London, UK. The Klarna card, accepted everywhere Visa is accepted, lets users manage their purchases individually in the Klarna app and choose to pay now or pay monthly while tracking their spending over time. Founded in 2013, the British company provides a safe and effortless shopping experience through its app, which allows users to discover, share, and shop for the things they love.
1
| Subsidiary | Miscellaneous Commercial Services | 1 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Sebastian Marcin Siemiatkowski via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
| Royal Institute of Technology | College/University | Graduate Degree Undergraduate Degree Graduate Degree Graduate Degree Graduate Degree Graduate Degree Graduate Degree | |
EQT Partners AB
 EQT Partners AB Investment ManagersFinance EQT Partners AB (EQT Partners) is a private equity subsidiary of EQT AB founded in 1994 by Yngve Conni Jonsson. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Private Equity Investor Private Equity Analyst Private Equity Investor Private Equity Investor Private Equity Investor Corporate Officer/Principal | |
| University of Stockholm | College/University | Graduate Degree Graduate Degree Undergraduate Degree Undergraduate Degree Graduate Degree Undergraduate Degree | |
| AVANZA BANK HOLDING AB | Investment Banks/Brokers | Founder Chief Executive Officer Director/Board Member Chief Executive Officer | |
Försäkringsaktiebolaget Avanza Pension
 Försäkringsaktiebolaget Avanza Pension Investment Banks/BrokersFinance Försäkringsaktiebolaget Avanza Pension, a company that provides internet brokerage services, was acquired by Avanza Bank Holding AB on November 11, 2004 for $1.34 million. Part of Avanza Bank Holding AB, the company is based in Stockholm, Sweden. Asa Mindus Soderlund has been the CEO of the Swedish company since 2017. | Investment Banks/Brokers | Chairman Director/Board Member Director/Board Member | |
| Stanford University | College/University | Masters Business Admin Graduate Degree Undergraduate Degree | |
| University of Uppsala | College/University | Graduate Degree Graduate Degree Undergraduate Degree | |
Avanza Bank AB
 Avanza Bank AB Major BanksFinance Part of Avanza Bank Holding AB, Avanza Bank AB is a company that provides banking services. Avanza Bank AB is based in Stockholm, Sweden. The Swedish company was founded by Marcus Jibreus. Gustaf Unger has been the CEO of the company since 2024. | Major Banks | Chairman Chief Executive Officer Chief Executive Officer | |
Royal Swedish Academy of Engineering Sciences
 Royal Swedish Academy of Engineering Sciences Miscellaneous Commercial ServicesCommercial Services The Royal Swedish Academy of Engineering Sciences (IVA) is an organization that brings together around 1,300 academy members and 250 companies to bridge the gap between academia, business, and politics. The non-profit company is based in Stockholm, Sweden. The Swedish company's aim is to work towards people's ability to contribute positively to society. The organization runs an internship program called Tekniksprånget, which gives young people in Sweden the opportunity to test the engineering profession through a four-month paid internship. The program has been running since 2012 and aims to inspire more people to choose a higher technical education. The CEO of the company is Björn O. Nilsson. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal Chairman | |
| Lund University School of Economics & Management | College/University | Graduate Degree Graduate Degree Graduate Degree | |
Stockholmsnorrskenet Management AB
 Stockholmsnorrskenet Management AB Investment ManagersFinance Stockholmsnorrskenet Management AB (Norrsken) subsidiary of Stiftelsen Norrsken Foundation is a venture capital firm founded in 2016 by Gustav Erik Niklas Adalberth. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Founder Corporate Officer/Principal | |
| QLIRO AB | Miscellaneous Commercial Services | Chairman Corporate Officer/Principal | |
Creandum Advisor AB
 Creandum Advisor AB Investment ManagersFinance Creandum Advisor AB (Creandum) is a venture capital firm founded in 2003 by Staffan Helgesson. The firm is headquartered in Stockholm, Sweden with additional offices in London, Berlin and San Francisco. | Investment Managers | Private Equity Investor Private Equity Investor | |
| The Wharton School of the University of Pennsylvania | College/University | Masters Business Admin Masters Business Admin | |
| London Business School | College/University | Director/Board Member Masters Business Admin | |
Carnegie Investment Bank AB
 Carnegie Investment Bank AB Investment Banks/BrokersFinance Carnegie Investment Bank AB is the broker/delear subsidiary of Carnegie Holding AB in Sweden. Headquartered in Stockholm, the firm was founded in 1803 and offers institutional clients several services within research, equity sales and equity capital market transactions (ECM). The Fixed Income unit offers bond research and sales. Carnegie Investment Bank’s research and equity sales enjoy a global position in Nordic equities. | Investment Banks/Brokers | Corporate Officer/Principal Compliance Officer | |
Priveq Partners Holding AB
 Priveq Partners Holding AB Investment ManagersFinance Priveq Partners Holding AB (Priveq Partners Holding) is an independent private equity firm founded in 1998 by Georg Magnus Hardmeier and Bernt Henrik Ingemar Westfeldt. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Private Equity Investor Private Equity Investor | |
Lin Education AB
 Lin Education AB Miscellaneous Commercial ServicesCommercial Services Lin Education AB provides digital education services. It focuses on digital tools and services, digital contents, and event and process management. The firm operates under the Pluttra and Lin Education trademarks. The company was founded by Josef Lind in 2007 and is headquartered in Göteborg, Sweden. | Miscellaneous Commercial Services | Director/Board Member Director/Board Member | |
| MORGAN STANLEY | Investment Managers | Corporate Officer/Principal Private Equity Analyst | |
| NC Advisory AB | Investment Managers | Director/Board Member Private Equity Investor | |
| NELLY GROUP AB | Internet Retail | Director/Board Member Corporate Officer/Principal | |
Litorina Capital Advisors AB
 Litorina Capital Advisors AB Investment ManagersFinance Litorina Capital Advisors AB (Litorina Capital) is a private equity firm founded in 1998 by Harold Kaiser. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Private Equity Investor Private Equity Investor | |
Nordstjernan AB
 Nordstjernan AB Investment ManagersFinance Nordstjernan AB is a private equity firm founded in 1890 by Axel Johnson. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Private Equity Investor Private Equity Investor | |
| Moscow State University Lomonosov | College/University | Graduate Degree Undergraduate Degree | |
Einride AB
 Einride AB Information Technology ServicesTechnology Services Einride AB develops and designs the technology and service to provide automated and sustainable transports. It also develops a system for remote control, charging stations and infrastructure which makes this system groundbreaking. The company was founded by inn?a Rebecca Kornehed, Robert Gustav Agner Falck and Filip Lilja in September 2016 and is headquartered in Stockholm, Sweden. | Information Technology Services | Director/Board Member Director/Board Member | |
Permira Advisers LLP
 Permira Advisers LLP Investment ManagersFinance Permira Advisers LLP (Permira Advisers) is a private equity subsidiary of Permira Holdings Ltd founded in 1985 by Peter M. Smitham. The firm is headquartered in London, United Kingdom. | Investment Managers | Consultant / Advisor Private Equity Investor | |
Summa Equity AB
 Summa Equity AB Investment ManagersFinance Summa Equity AB (Summa Equity) is a private equity firm founded in 2016 by Jenny Keisu, Reynir Kjær Indahl and Johannes Hidle Lien. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Private Equity Investor Consultant / Advisor | |
Slatto Management AB
 Slatto Management AB Investment ManagersFinance Slatto Management AB (Slatto Management) is a private equity real estate subsidiary of Brofund Group AB founded in 2013. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Private Equity Investor Private Equity Investor | |
Milkywire AB
 Milkywire AB Miscellaneous Commercial ServicesCommercial Services Milkywire AB is a private company that supports the UN Sustainable Development Goals by facilitating direct donations to trusted grassroots organizations. The company is based in Stockholm, Sweden. Milkywire was founded by Nina Siemiatkowski, who has been the CEO since incorporation. The Swedish company's mission is to save the earth by encouraging people to support their cause. | Miscellaneous Commercial Services | Corporate Officer/Principal Chief Executive Officer | |
Fidelio Capital AB
 Fidelio Capital AB Investment ManagersFinance Fidelio Capital AB (Fidelio Capital) is a private equity firm founded in 2010 by Gabriel Fitzgerald. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Private Equity Investor Private Equity Investor | |
DHS Venture Partners AB
 DHS Venture Partners AB Investment ManagersFinance DHS Venture Partners AB (DHS Venture) is a venture capital firm founded in 2015 by Lars Lindgren, Emmet King, Luca Banderet, Alexander Pochet, Fredrik Wilhelm Uhrstrom, Caroline Rosen, Charlotte Stromberg and Carl Klingberg. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Private Equity Investor Private Equity Investor | |
| TELE2 AB | Major Telecommunications | Chairman Public Communications Contact | |
Google LLC
 Google LLC Internet Software/ServicesTechnology Services Google LLC engages in the operation of internet portal and search index website. It provides online advertising technologies, search engine, cloud computing, and software solutions. The company was founded by Lawrence E. Page and Sergey Mikhaylovich Brin on September 4, 1998 and is headquartered in Mountain View, CA. | Internet Software/Services | Director/Board Member Sales & Marketing | |
Committee for Economic Development
 Committee for Economic Development Miscellaneous Commercial ServicesCommercial Services Part of The Conference Board, Inc., Committee for Economic Development is a nonprofit, nonpartisan, business-led organization that delivers well-researched analysis and reasoned solutions in the nation's interest. The company is based in New York, NY. The company's trustees, who are chief executive officers and key executives of leading US companies, bring their unique experience to address pressing policy issues. The company collectively represents 30+ industries, over a trillion dollars in revenue, and over 4 million employees. Founded in 1942, the organization uses cookies to improve their website and offers products and services to enhance user experience. Committee for Economic Development was acquired by The Conference Board, Inc. on January 14, 2015. | Miscellaneous Commercial Services | Corporate Officer/Principal Director/Board Member | |
Saminvest AB
 Saminvest AB Investment ManagersFinance Saminvest AB (Saminvest) is a venture capital subsidiary of Government of Sweden founded in 2016. The firm is headquartered in Stockholm, Sweden. | Investment Managers | Director/Board Member Corporate Officer/Principal | |
Säkra AB (Sweden)
 Säkra AB (Sweden) Multi-Line InsuranceFinance Säkra AB provides pension and insurance brokerage services. It focuses on life insurance, non-life insurance, and financial consulting for private individuals, entrepreneurs, and the public sector. The company was founded in 1985 and is headquartered in Stockholm, Sweden. | Multi-Line Insurance | Director/Board Member Director/Board Member | |
| SVENSKA HANDELSBANKEN AB | Major Banks | Director/Board Member Director/Board Member | |
| London School of Economics & Political Science | College/University | Undergraduate Degree Graduate Degree | |
EasyPark AB
 EasyPark AB Packaged SoftwareTechnology Services EasyPark AB provides mobile parking payment solutions for the Apple and android markets. The firm also offers products EasyPark FlexPass, which allows people who only drive occasionally to park at a discount over the regular hourly rate. The company was founded in 2001 and is headquartered in Stockholm, Sweden. | Packaged Software | Chairman Director/Board Member | |
Ernst & Young AB
 Ernst & Young AB Miscellaneous Commercial ServicesCommercial Services Ernst & Young AB provides tax advisory, auditing, and accounting services. It also offers support and advice on risk management, information technology security, and financial and business management. The company was founded in 1949 and is headquartered in Stockholm, Sweden. | Miscellaneous Commercial Services | Corporate Officer/Principal Comptroller/Controller/Auditor | |
IK Partners Ltd.
 IK Partners Ltd. Investment ManagersFinance IK Partners Ltd (IK Partners) is a private equity subsidiary of Fatburen Investment BV founded in 1989. The firm is headquartered in London, United Kingdom. | Investment Managers | Private Equity Investor Private Equity Investor | |
| ATTENDO AB | Services to the Health Industry | Chief Executive Officer Director/Board Member | |
| FABEGE AB | Real Estate Development | Director/Board Member Corporate Officer/Principal | |
University of Linköping
 University of Linköping Other Consumer ServicesConsumer Services Linköping University Hospital provides healthcare services. | College/University | Graduate Degree Graduate Degree | |
Nordnet Bank AB
 Nordnet Bank AB Investment Banks/BrokersFinance Part of Nordnet AB, Nordnet Bank AB provides online share-trading services. The company is based in Stockholm, Sweden. Founded in 2002. | Investment Banks/Brokers | Chief Tech/Sci/R&D Officer Corporate Officer/Principal | |
| BILIA AB | Specialty Stores | Director/Board Member Director/Board Member | |
| ALPHABET INC. | Packaged Software | Corporate Officer/Principal Director/Board Member | |
Firm TransGarant LLC
 Firm TransGarant LLC RailroadsTransportation Part of Far Eastern Shipping Co. OJSC, Firm TransGarant LLC is an international transport company based in Moscow, Russian Federation. The Russian company provides logistics services for the transportation of goods from various countries to Russia, including China, Japan, the US, and CIS and European countries. Customers can track their cargo transportation by track number on the official website fesco.ru. Alexey Nikolaevich Grom has been the CEO of the company since 2007. Firm TransGarant was acquired by Far Eastern Shipping Co. OJSC on April 02, 2007. | Railroads | Chief Executive Officer | |
| FAR-EASTERN SHIPPING COMPANY PLC. | Marine Shipping | Corporate Officer/Principal |
Statistics
International
| Sweden | 36 |
| United States | 8 |
| Russia | 4 |
| United Kingdom | 3 |
| Germany | 3 |
Sectoral
| Finance | 25 |
| Consumer Services | 11 |
| Commercial Services | 7 |
| Technology Services | 5 |
| Retail Trade | 3 |
Operational
| Director/Board Member | 485 |
| Corporate Officer/Principal | 131 |
| Chairman | 97 |
| Private Equity Investor | 79 |
| Graduate Degree | 76 |
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