Firm Profile > HPP Attorneys > Helsinki, Finland

HPP Attorneys

Maritime and transport Tier 1

HPP Attorneys handles a diverse range of matters relating to shipbuilding, ship financing and management, and road transport disputes, and is a key name in the market for work on the purchase and maintenance of ice-breaking vessels. The group is also instructed by public authorities, which the team advises on shipping and aviation issues. The practice fields two dedicated maritime and transport-focused lawyers - practice head Nora Gahmberg-Hisinger and Matti Komonen, who assists with logistics, maritime, transport and insurance mandates.

Practice head(s):


Approachable team members.

Key clients

Neste plc

Superfast Ferries S.A.; Attika Group Plc

Finnish Transport Infrastructure Agency

Metsä Group

Finnish Association of Purchasing and Logistics LOGY

Osaühing Tallinn Shipyard, part of the BLRT Group

Rauma Cata Oy

Alfons Håkans AS/Alfons Hakans AS Finnish branch

Rederiaktiebolaget Eckerö

The Go-Ahead Group Plc

Real estate and construction Tier 1

Kari Marttinen and Jari Tuomala co-head the practice at HPP Attorneys, which has expanded its expertise in high-value transactions and development projects with the arrival of Leif Laitinen from Aleksandra Attorneys Ltd. Clients span international investment funds including AIG and Sponda, and matters range from office and residential property acquisitions to cross-border construction projects. In a recent mandate, the team advised Keilaniemen Kiinteistökehitys on a complex €300m development project involving a newly built hotel and office and residential buildings in Espoo, Finland.

Practice head(s):


Very professional. Excellent dynamic within the team.

Understands customer needs and situation.

Key clients

Projekti GH Oy

Finest Bay Area

Sponda Plc

Elite Finland Added Value Fund II Ky

Elite Alfred Berg

Vuokratuotto Erikoisijoitusrahasto

Auratum Real Estate

Elite Real Estate Development Fund I Ky

City of Helsinki

Aalto-korkeakoulusäätiö sr.

LUHTA-Kiinteistöt Oy

Finavia Plc

Grand Residence Development Oy

Collector Bank AB

Patrizia Finland Oy

Plantagen Finland Oy

AIG Europe Limited

CGI Finland Oy

Huhtamäki Plc

TMT Tier 1

HPP Attorneys acts on the full range of TMT issues encompassing licensing agreements, contracts, outsourcing work, transactions, data protection matters and regulatory compliance mandates. Clients include new tech, telecoms, software and growth companies; the team also has particular strength in the pharmaceuticals sector. The practice is jointly led by Kari-Matti Lehti and Pekka Raatikainen, who are experienced in IT-related outsourcings, disputes and regulatory compliance matters.

Key clients

Foreca Oy

Liikennevirta Oy

Sympa Oy

MediaMaestro Oy

Congrid Oy

Mortgage Society of Finland

Commercial, corporate and M&A Tier 2

HPP Attorneys advises on a varied array of transactions, with particular strength in international M&A and private equity deals for clients in the technology, real estate and renewable energy industries. The group's client list spans energy companies, public authorities and investment funds. Practice head Antti Säiläkivi is experienced in fund formation and private equity fundraising deals, while Andrew Cotton works closely with international investors including Heraeus Holdings and DoubleVerify; Cotton advised the latter on its acquisition of Finnish AI platform Leiki.

Practice head(s):

Key clients

Etera Mutual Pension Insurance Company

Morpho Inc

Terrafame Group Limited

Aquila Capital GmbH

Silmäasema Optiikka Oy

City of Helsinki

EcoIntense GmbH

Eden Springs

Taaleri Energia Oy

DoubleVerify Inc

Heraeus Holdings GmbH

Dispute resolution Tier 2

HPP Attorneys represents several notable international clients including Phillip Morris Finland, Neste and Merropoint. The team is led by the experienced pair of Mikko Leppä and Marko Wainio, who specialise in commercial litigation and domestic arbitration respectively. The group has strong capabilities across dispute resolution and handles damages, tax and administrative disputes, as well as international arbitration proceedings. In a recent highlight, Leppä successfully defended Metsäliitto Osuuskunta against a series of damages claims in the wood cartel case.

Practice head(s):


Very good team spirit and good knowledge. One can see that they appreciate each other which enables good co-operation.

Marko Wainio is my no. 1 choice for difficult cases. Very good at assessing cases and thinking about customer’s best interests. Very sharp legal thinking. Clear oral and written communication and all this combined with excellent co-operation skills and common sense makes an attorney that I can highly recommend.’

Marko Wainio is an excellent litigation attorney. He combines very strong communications skills with great legal analysis and legal arguments. His disciplined approach to litigation also allows a client to trust that any given case is given appropriate attention at every stage of the process.

Key clients

Metsäliitto Cooperative

Eltel Group Corporation

Finavia Plc

Neste plc

Philip Morris

Talvivaara Sotkamo Ltd.

Superfast Ferries S.A.

Port of Helsinki

NCC Industry Ltd

Destia Group

State of Finland/ Ministry of Finance

The Finnish Transport Agency

Finnish Association of Purchasing and Logistics LOGY

Rusatom Overseas JSC

Cantell Oy

EU and competition Tier 2

Jointly led by Tuomas Saraste and Jouni Alanen, the team at HPP Attorneys is a key name for clients involved in high-profile cartel and antitrust proceedings and also fields a strong public procurement and state aid practice, which acts for clients in the aviation, energy and construction industries. The group is particularly active in recent high-profile cartel investigations including the insulation and power transmission line cartels, and regularly argues cases before the Supreme Administrative Court and the European Court of Justice.

Practice head(s):


Very efficient team with personal service and extremely professional competence.

Partner Tuomas Saraste is an extraordinarily good lawyer.

Key clients


Eltel Group


Metsä Group

Posti Group



PHP Holding

The Finnish Plastics Recycling


State of Finland

Taxi Helsinki

MaaS Global


Banking and finance Tier 3

HPP Attorneys is active in real estate financing transactions on the borrower and developer side, and also handles complex financial arrangements including debt financing issues, equity-based arrangements, refinancing work and mezzanine financing matters for major banks and financial institutions including Danske Bank and the European Investment Bank. Antti Rintakoski leads the practice.

Practice head(s):

The firm: HPP Attorneys (formerly Hammarström Puhakka Partners), established in 1975, is a full-service business law firm.

The firm has particularly strong experience in its core specialisms of M&A, competition, banking, finance and insolvency, environment, real estate and construction and dispute resolution with a particular focus on the energy, mining, IT and technology, transport and logistics and financial sectors.

Areas of practice: Corporate and M&A: the firm has more than 30 years’ experience in both domestic and cross-border transactions. Its M&A experts constantly participate in major transactions. The firm’s services cover all issues related to mergers, acquisitions and other corporate arrangements. The firm offers specialised teams of exceptionally experienced experts for due diligence reviews.

Competition and EU: the firm offers services with an emphasis on efficient resolution of all competition-related issues. The firm carries out assignments in particular in the media, telecommunications, IT, logistics, energy and pharmaceutical sectors.

Banking and finance: the firm’s banking, finance and insolvency team has extensive experience in all kinds of financing arrangements, in particular corporate lending, acquisition finance and sale and lease back and leasing arrangements. The firm is widely known for its high standard and extensive expertise in the reorganisation of companies and insolvency law.

Dispute resolution: the firm’s specialists represent Finnish and foreign clients in domestic and international commercial litigation and arbitration. A number of the firm’s partners regularly act as mediators and arbitrators.

Environment, real estate and construction: the firm’s environment, real estate and construction team has the most extensive experience and resources as providers of legal services in matters related to environment and nature protection, real estate and construction, energy and natural resources as well as infrastructure.

The firm regularly advises in environmental permit application proceedings and environmental liability issues, in major infrastructure and construction projects as well as in mining and wind power projects. Further, we advise on a regular basis in real estate transactions and development projects. The firm’s clientele comprise of national and multinational energy companies, environmental consulting companies, national and multinational mining companies and waste management companies as well as companies in the metal, construction, real estate investment and development and chemical industries.

Maritime and transportation: the firm is ranked as the leading Finnish law firm in shipping and transport law. The firm has broad and extensive experience in various kinds of maritime, transport, shipbuilding, insurance and tort-related cases, as well as related issues of international trade. Its expertise covers all elements of the logistics chain across all the transport modes: sea, road, rail and air.

IT and telecoms: the firm’s IT and telecoms work ranges from advising major international technology companies on their Finnish operations to assisting tech start-ups bringing new technologies to market. The firm is particularly experienced in advising on data protection and data security issues.

Employment: the employment law practice works as an integral part of the M&A group by providing expertise in employment law in connection with questions relating to national, as well as cross-border business restructurings. As for mergers and acquisitions, the expertise of the practice covers areas such as employment law due diligence reviews, advising on questions relating to employment law in connection with transfers of business and other corporate restructurings, for example outsourcings. The employment law practice advises clients independently in all questions relating to various fields of employment law covering employment and director contracts, dismissals, terminating employment and service relationships by mutual agreement, non-competition and non-disclosure agreements, incentives, questions relating to annual leave and working hours, co-operative negotiations, and data protection issues, as well as occupational safety issues. In employment disputes, the firm surveys with the with client preconditions for settlements in order to secure the client’s best interest and undisturbed business operations.

Tax: the tax team provides domestic and international clients across a range of industry sectors with extensive assistance on taxation issues arising from transactions, business operations or tax dispute matters. The firm provides tax advisory both as part of HPP’s multidisciplinary teams handling major transactions or complex disputes, as well as discrete tax assignments. The firm’s goal is to provide solution-oriented tax advice by focusing on a clear understanding of clients¹ businesses. It assists clients in identifying the key taxation issues in their business and evaluating the tax consequences comprehensively and as a pre-emptive measure before any adverse consequences arise. In order to do this, it conducts a careful analysis of the different aspects of the client’s business or transaction structure.

The firm also defends clients’ interests if they are faced with tax disputes.If required, the firm will seek solutions to taxation issues in co-operation with the tax authorities. Its goal is to ensure a high-quality and truly solution-oriented dialogue between its clients and the tax authority.

Department Name Email Telephone
Corporate and M&A Markku Mäkinen
Corporate and M&A Björn Nykvist
Corporate and M&A Andrew Cotton
Dispute resolution Marko Wainio
Dispute resolution Mikko Leppä
Competition and EU Tuomas Saraste
Banking and finance Antti Rintakoski
Environment, real estate and construction Kari Marttinen
Environment, real estate and construction Jari Tuomala
Environment, real estate and construction Tarja Pirinen
Energy and infrastructure Markku Mäkinen
Energy and infrastructure Kari Marttinen
Maritime and transport Nora Gahmberg-Hisinger
IT and technology Kari-Matti Lehti
IT and technology Pekka Raatikainen
Employment Henna Kinnunen
Tax Marko Koski
Photo Name Position Profile
Mr Andrew Cotton  photo Mr Andrew Cotton Partner
 Nora Gahmberg-Hisinger photo Nora Gahmberg-Hisinger Partner
 Leif Laitinen photo Leif Laitinen Partner
 Kari-Matti Lehti photo Kari-Matti Lehti Partner
 Kari Marttinen photo Kari Marttinen Partner
Number of lawyers : 68
Contacts : Kari Marttinen
Contacts : Markku Mäkinen
Contacts : Björn Nykvist