Co-00A: Metro line № 2, Baross tér station: structural engineering works of the 2nd exit
December 2004.
Co-00B: Metro line № 2, Baross tér station: indoor installation works of the 2nd exit
March 2006.
Co-02: Running line tunnels and connected station structures
September 2005.
Co-03: Kelenföldi pályaudvar station: structural engineering works
December 2006.
Co-04/A: Tétényi út station: structural engineering works
March 2006.
Contractual amendments
Co-04/B: Bocskai út station: structural engineering works
March 2006.
Contractual amendments
Co-04/C: Móricz Zsigmond körtér station: structural engineering works
March 2006.
Co-05/A: Fővám tér station: structural engineering works
July 2006.
Co-05/B: Kálvin tér station: structural engineering works
July 2006.
Co-06/A: Rákóczi tér station: structural engineering works
September 2006.
Co-06/B: Népszínház utca station: structural engineering works
September 2006.
Co-06/C: Keleti Railway station: structural engineering works
September 2006.
Co-07: Indoor installation works of stations
November 2007.
Co-08: Construction of tracks in tunnels and on the surface (in the depot)
November 2008.
Co-09: Systems, power supply
July 2006.
Co-10: Procurement of metro trains
May 2006.
Co-11: Construction of vehicle depot
April 2009.
P2: Preparation of conceptual plan and construction licensing plans for 10 stations of the Metro4 line
November 2004. - Palatium Stúdió Építészeti Kft.
P3: Drawing up of tender plans, as well as related necessary preparatory tasks
March 2005. - Főmterv Rt. Vezetésével (MottMacDonald Ltd, Uvaterv Rt.)
P14: Architectural design of Kelenföld vehicle depot
October 2006. - Dpi design Építőipari és Szolgáltató Kft.
K1/A: Planning of related surface investments - Buda stations
August 2007. - Főmterv-Unitef Konzorcium (Főmterv'TT Zrt, Unitef'83 Zrt)
Contractual amendments
Contractual amendments 2.
K2A: Execution of related surface investments: Fővám tér-Vámház körút Phase I.
October 2007. - Alterra-Colas-Eger Konzorcium
Contractual amendments
K2A: Execution of related surface investments: Fővám tér-Vámház körút Phase II. - additions
October 2007. - Alterra-Colas-Eger Konzorcium
K2B: Execution of related surface investments: Kálvin tér-Múzeum krt. Phase I.
October 2007. - Alterra-Colas-Eger Konzorcium
Contractual amendments
K2B: Execution of related surface investments: Kálvin tér-Múzeum krt. Phase II. - additions
October 2007. - Alterra-Colas-Eger Konzorcium
K2C: Execution of related surface investments: Rákóczi tér
August 2007. - SwO Metro-4 Rákóczi tér Építési Kkt.
P6: Managing PR and communication tasks related to the building of the Metro4 line
2005. - Sawyer Miller Group
2009. - Sawyer Miller Group
P7: Provision of insurance advisory services
October 2005. - AON Magyarország Kft.
P7/2: Provision of insurance services
August 2006. - Allianz Hungária
Contractual amendments
P1: System for monitoring karst, subsoil and other ground water
March 2006. - Mélyépterv Kultúrmérnöki Kft.-Mecsekérc Környezetvédelmi Zrt-Soldata SA
P10: System for monitoring movement of buildings, noise and vibration
February 2006. - Mélyépterv Kultúrmérnöki Kft.-Mecsekérc Környezetvédelmi Zrt-Soldata SA
Contractual amendments
P17: Provision of Project Management Consulting Services
June 2006. - Eurometro Kft.
Contractual amendments - Modification of financial schedule 1.
Contractual amendments - Modification of financial schedule 2.
Contractual amendments - 2010.12.16.
P20: Carrying out of expert tasks pertaining to the Project Management arm of the DBR Metro Project Directorate
June 2009. - P20-1 DrSpang GmbH
June 2009. - P20-2 HBI Haerter AG
June 2009. - P20-3 Matrics Consulting
June 2009. - P20-4 MetroConsult
June 2009. - P20-5 Matrics Consulting
June 2009. - P20-6 Matrics Consulting
June 2009. - P20-7 Profil Kft.
P8/3: Agency contract for provision of auditing tasks related to the Budapest Metro4 line investment
December 2009.