A1 Slovenija

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A1 Slovenija
FormerlySi.mobil (1997–2017)
Founded1997; 26 years ago (1997)
HeadquartersLjubljana, Slovenia
Key people
Dejan Turk, Larisa Grizzlo, Milan Zaletel
RevenueIncrease €209.9 million (2021)[1]
Increase €11.3 million (2021)[1]
Number of employees
606 (2021)[1]
ParentA1 Telekom Austria Group

A1 Slovenija is a telecommunications company operating the second largest mobile network in Slovenia.[2] Prior to April 2017, the company was known as Si.mobil.


Logo as si.mobil (until April 2017)

The company was established in December 1997[3] and began operating in March 1999[4] as the first Slovenian private mobile operator.[5] In 2000, the company was the second to market WAP, preceded by Mobitel.[6]

After initial losses, the company's shares were in February 2001 purchased by Telekom Austria Group, making Si.mobil a part of a leading group of mobile service operators in Central and Eastern Europe.[7] In June of that year, Si.mobil was the first in Slovenia and among the first in Europe to introduce GPRS to its customers.[8] In 2002, it was the first company to market MMS.[9]

An important step forward was signing a partnership agreement with Vodafone in January 2002.[10] From September 2003, the company is presented under the dual brand Si.mobil - Vodafone[5] [ˈsiːmɔbil ˈʋoːdafɔn].

In 2004, the company was one of the first operators worldwide to offer EDGE,[5][11] and in 2006, they introduced its own UMTS/HSDPA network.[12] In addition, Si.mobil offers other services like GPS on mobile phones, mobile office and mobile internet.[13] In 2007, Si.mobil was the first Slovenian company to open its office in Second Life where they have built an island.[14][15] In January 2008, it passed the milestone of 500,000 customers.[16]

On July 8, 2010, mobilkom austria AG was merged with Telekom Austria TA AG. In the course of this merger, the non-Austrian subsidiaries of mobilkom austria AG were subordinated to the Telekom Austria Group. That is why Si.mobil has been a 100 percent subsidiary of the Telekom Austria Group since 2010. In 2017 the subsidiary was rebranded into A1 Slovenija. At the time of the takeover, it said it had over 700,000 customers.[17]


  1. ^ a b c "A1 Telekom Austria Group's Combined Annual Report for 2021" (PDF). www.a1.group. 9 February 2022.
  2. ^ "Simobil Increases Profits and Eyes 3G Licence". Telecommunications Insight. Business Monitor International. Archived from the original on 2011-07-16. Retrieved 2008-04-06.
  3. ^ Barbara Hrvatin (2005). "Sestava in analiza zaključnega računa gospodarske družbe" (PDF) (in Slovenian). Faculty of Management Koper. Archived from the original (PDF) on 2008-05-28. Retrieved 2008-04-06.
  4. ^ Nevenka Hrovatin; Damir Cibic; Matej Švigelj. "Liberalisation and (de)Regulation of Slovenian Telecommunications Markets" (PDF). Communications & Strategies: 151. Archived from the original (PDF) on 2008-05-28. Retrieved 2008-04-06.
  5. ^ a b c "InfoGin - The Whole Web @ Your Call: Customers". InfoGin. Retrieved 2008-04-06.
  6. ^ Stergar, Aleš, ed. (2000). Slovenski almanah 2001 [Slovene Almanac 2001]. Delo, d. d. p. 56. COBISS 512334978.
  7. ^ "CheckCom Mobile Commerce Newsletter: 3 - 2001". CheckCom Inc. Archived from the original on 2002-06-16. Retrieved 2008-04-06.
  8. ^ "Si.Mobil pričel tržiti storitev GPRS" [Si.Mobil Started to Market the GPRS Service]. Monitor (in Slovenian). Mladina, d. d. 11 June 2001. ISSN 1581-081X.
  9. ^ "Od NMT-ja do G4" [From NMT to G4]. Moj mikro (in Slovenian). Delo Revije, d. d. 2 May 2011. ISSN 1580-2574. Archived from the original on 12 May 2011.
  10. ^ Boštjan Knap. "Securing VPN on the move" (PDF). Stonesoft Corporation. Archived from the original (PDF) on 2008-05-28. Retrieved 2008-04-06.
  11. ^ "EDGE Worldwide" (PDF). 3G Americas. 2004-09-14. Archived from the original (PDF) on 2008-05-28. Retrieved 2008-04-10.
  12. ^ "Si.mobil d.d." BusinessWeek Online. The McGraw-Hill Companies Inc. Archived from the original on October 5, 2012.
  13. ^ "US$9.30 data ARPU for Si.Mobil is highest in CEE region". WCIS News & Comment. WCIS.[permanent dead link]
  14. ^ "Tudi Si.mobil - Vodafone v Second Life". Monitor (in Slovenian). Mladina d.d. 2007-08-25. Retrieved 2008-10-04.
  15. ^ Hromadžić, Hajrudin. "Between Two Lives". Puls demokratije. Open Society Fund BiH. Archived from the original on 2011-07-24. Retrieved 2010-08-13.
  16. ^ Dare Gliha (2008-01-23). "500.000-i uporabnik Si.mobil – Vodafone" (in Slovenian). Mobile.si. Retrieved 2008-04-06.
  17. ^ "Launch von A1 in Slowenien | A1 Telekom Austria Group". www.a1.group. Retrieved 2022-07-01.

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