Arriva - Arriva Poland/Arriva Portugal - D

• During May 2013, Arriva entered the Polish bus market through its acquisition of Veolia Transport Central Europe along with its 840 buses. However, during the summer of 2023, the company divested its bus activities in Polish market.

• During December 2006, Arriva formed Arriva PCC, a joint venture with PCC Rail in December 2006. In December 2007, Arriva commenced operating services on all non-electrified lines in the Kuyavian-Pomeranian Voivodeship. In June 2010, Arriva took 100% ownership of the business and renamed it Arriva RP. During December 2010, Arriva RP was awarded a ten year extension to its Kuyavian-Pomeranian Voivodeship activites.
• In December 2013, Arriva started operating trains on four electrified lines in the Kujawsko-Pomorskie Voivodship using 12 existing trains to serve roughly 50 railway stations for an initial period of two years. In September 2017, it was announced that Arriva RP had secured several open access paths in Poland. During October 2022, Arriva RP signed a new contract, valued at €157.5 million per year, covering the extension of its operations in the Kuyavian-Pomeranian Voivodeship region for a further eight years, up until 2030.

• In November 2000, Arriva purchased João Carlos Soares e Filhos, Viação Costa & Lino Lda, Ami-Transportes and Abílio da Costa Moreira & C Lda who were running inter-urban local bus services in the north west of Portugal.
• During June 2002, Arriva bought a 51% shareholding Transportes Sul do Tejo, a scheduled bus and coach operator in the growing commuter region south of Lisbon. In September 2003, Arriva exercised an option to buy the remainder of the company.
• In May 2006, Arriva acquired a 21.5% share of leading transport company Barraqueiro, with bus and rail operations in and around Lisbon, increasing the shareholding in January 2008 to 31.5%.
• In December 2021, Arriva Portugal announced the closure of its operation by the end of the year.

• In May 2013, Arriva entered the Serbian bus market with the purchase of Veolia Transport Central Europe (Veolia Transport Litas in Požarevac and Veolia Transport Luv in Belgrade) with 250 buses. In January 2015, Arriva commenced operating bus services in Niš with 33 buses.

• In July 2008, Arriva entered the Slovak bus market with the purchase of an 80% share in Eurobus Invest. In July 2015, it purchased SAD Liorbus and SAD Trnava. Coach services are operated under the Arriva Express brand. by November 2016, Arriva was employing 2,390 people and operated 1,335 buses. Later, Arriva also bought the bus companies Veolia transport Nitra, SAD Nové Zámky, SAD Michalovce.
• During 2021, Arriva was awarded a ten year contract to operate IDS BK regional buses in Bratislava Region via its subsidiary Arriva Mobility Services s.r.o.

• In May 2013, Arriva entered the Slovenian bus market with the purchase of Veolia Transport Central Europe (Veolia Transport Štajerska, Veolia Transport Dolenjska and Primorska) with 270 buses.

• In July 1998, Arriva purchased Ideal Auto Sociedad Anónima (IASA) followed in September 1999 by Transportes Finisterre, both in Galicia. Their services cover three of the four provinces in the region: A Coruña, Lugo and Ourense, including part of the famous Santiago pilgrimage route. In January 2002, Arriva commenced operating in Majorca with the purchase of Autocares Mallorca and Bus Nord. These operate on the northern and western parts of the island, linking the capital Palma with towns such as Soller, Inca and Alcúdia.
• During 2007, Arriva acquired Autocares Fray Escoba and Esfera in Madrid. In July 2008, Arriva acquired Empresa de Blas y Cia, which operates routes between Madrid and southwestern cities in its metropolitan area (Alcorcón, Móstoles, Villaviciosa de Odón, Navalcarnero...), and between those cities.

• Arriva has operated a number of rail franchises in the UK since privatisation in 1996 through its subsidiary, Arriva UK Trains. It gained its first franchises in February 2000. Arriva UK Trains currently runs a number of train operating companies:
• Arriva Rail London: operates London Overground, concession runs until May 2024.
• Chiltern Railways: operates services on the Chiltern Main Line, franchise runs until December 2027.
• CrossCountry: operates long-distance cross-country routes, franchise runs until October 2023.
• Grand Central: open-access operator with services on the East Coast Main Line purchased in November 2011.
• Arriva TrainCare (previously LNWR) operates train maintenance depots at Bristol, Cambridge, Crewe, Eastleigh and Newcastle.
• Following the purchase of Arriva by Deutsche Bahn in August 2010, Arriva UK Trains expanded to take over Deutsche Bahn's existing DB Regio UK division which consisted of Chiltern Railways, Tyne & Wear Metro and London Overground Rail Operations.
• Arriva UK Trains wishes to expand the number of UK Rail businesses it operates by developing open access operations and successfully bidding for further Department for Transport rail franchises. Alliance Rail Holdings continues to develop new open access proposals following the rejection of its initial plans by the Office of Rail Regulation in 2011.
• Between 2011 and 2012, Arriva's applications to bid for the InterCity West Coast, Greater Anglia, Essex Thameside and Thameslink franchises were all rejected by the Department for Transport. Following this run of failure Arriva was publicly critical of the government's prequalification process and called for it to be abolished. However, Arriva was subsequently shortlisted for the Greater Western, Crossrail, Caledonian Sleeper and ScotRail franchises.