corr consulting

Our Location

85 Great Portland Street First Floor, London, W1W 7LT

From large scale to small scale projects, our team can help.

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View our team members at Corr Consulting.

Qualifications / memberships

  • 1996-1999: Business degree/Diplom-Betriebswirt (Fachhochschule der Wirtschaft FHDW, Paderborn/Germany)
  • since 2003: Chartered Certified Accountant – Association of Chartered Certified Accountants (ACCA, UK)
  • since 2011: Corporate Finance Faculty of the
  • Institute of Chartered Accountants in England and Wales (ICAEW)
  • since 2014: Institute of Public Accountants in Germany / Institut der Wirtschaftsprüfer in Deutschland e.V. (IDW)

Professional background

Since the year 2000, Sebastian Wiegmann has worked on national and international advisory projects. After 7 years in transaction services with one of the Big Four accounting firms in Düsseldorf and Dublin/Ireland, he worked for 3 years as an investment manager for a private equity holding company located in Ireland. Furthermore, he was a director of a German portfolio company during 2009 and 2010 (restructuring/preparation for sale).

Since 2011, Sebastian Wiegmann has worked as an independent consultant and accountant. He advises a diverse range of client companies. In addition, he acts also as a freelancer for well-known advisory and accounting firms.

Areas of specialisation

  • Financial due diligence: Buyer-initiated and seller-initiated projects in Germany and abroad.
  • Vendor assistance: Advice in connection with spin-offs/carve-outs, preparation of information memoranda and management of (electronic) data rooms.
  • Corporate finance: Consulting in connection with M&A transactions, equity and debt financings, as well as project management in connection with M&A projects.
  • Post-merger integration: Support subsequent to an acquisition, for example, in connection with the quantification of synergies or rationalisation of financial/legal structures (mergers of subsidiaries etc.).
  • Accounting advisory: Advice in connection with the preparation of special balance sheets, for example, completion accounts.

Industry sectors and geographical coverage

Sebastian Wiegmann possesses considerable professional experience in the services sector, retail, waste management/recycling, food/consumer goods, IT/software, chemicals and real estate. Furthermore, he has frequently worked with financial investors (private equity) and family offices. Sebastian Wiegmann services clients in Germany, Switzerland, Ireland and the United Kingdom (additional countries can be involved in international projects).

Some of our clients include.

Education Sector

John Corr has covered the Education sector since 2011, working with all the major players in the sector including:

  • Providence
  • Galileo Global Education
  • Inspired Education
  • Globeducate
  • International Schools Partnership
  • Oakley
Healthcare Sector

In Healthcare, John spent 18 months as interim CFO of a UK Healthcare Group, guiding it through a successful minority sale to a Private Equity fund.John has also worked on several high profile hospital transactions in Europe and the Middle East. 

Other Sectors

Landmark deals (prior to John founding Corr Consulting) have included:

  • Galileo Global Education’s €225m acquisition of Laureate’s higher education businesses in Italy and Cyprus – January 2018 (Education).
  • KKR’s £325m acquisition of A-Gas in 2017 (Industrial). 
  • Sale of Brakes Brothers for $3.1 billion to Sysco in 2016 (Consumer foods).
  • Centerbridge’s acquisition of Senvion (€1 billion), a wind turbine manufacturer – Germany 2015 (Industrial).
  • EQT’s acquisition of Bureau Van Dijk (over €1 billion), a financial information provider - Benelux 2014 (Business services).
  • Clayton, Dubilier and Rice’s acquisition of Mauser (over €1 billion), a manufacturer of industrial packaging - Germany 2014 (Industrial).
  • KKR’s acquisition of Serbia Broadband (approx. €1 billion), a provider of broadband and cable TV - Serbia 2013 (Telecoms).
  • Hellman and Friedman’s majority acquisition of Wood Mackenzie (£1.1 billion), provider of information to the Oil & Gas and Metals industries - UK 2012 (Business services).
  • Sale of Ahlsell, a building materials distributor, by Cinven and Goldman Sachs Capital Partners to CVC (€1.8 billion) - Sweden 2011 (Industrial).
  • Oriflame’s €1 billion plus IPO on the Stockholm Exchange in 2004 (Consumer products).
  • Euronext IPO of Ripplewood Holdings Japan International for €1 billion plus 2005 (Various sectors).
  • CVC's investment in the Belgian Post Office (Logistics).

We specialise in providing you with the best advice and support for your project.

We founded our business on three main principles - quality, pricing, and service - and we pride ourselves on our commitment to these principles each day.

Get in touch with Corr Consulting

Corr Consulting offers a unique combination of vision, experience and management, providing a variety of services to all business sectors.

Get in touch today to see how we can help.

85 Great Portland Street First Floor, London, W1W 7LT

London Office

85 Great Portland Street First Floor, London,


Dublin Office

Charlemont Exchange

Charlemont Street

Dublin, Ireland D02VN88

Brussels Office

31 Rue du Commerce

1000 Brussels

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