Upstream undertook all the key deliverables in the project. I can recommend Upstream as a partner of choice for anyone looking to run a similar activity


Matts Johansen Chief Marketing Officer O2 Czech Republic
Upstream's clients include some of the largest mobile operator groups and blue-chip brands in more than 40 countries.

3 Italy

See 3 Italy Case Study

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3 Italia is the leader in Italy for UMTS telecommunications, with 9 million subscribers and part of the Hutchison Whampoa Group.

Comcel Colombia

See Comcel Colombia Case Study

Comcel Telecom is the leading mobile operator in Colombia with more than 25 million subscribers and a member of the America Movil group of companies.

Cosmote Greece (T-Mobile)

See Cosmote Greece (T-Mobile) Case Study

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Cosmote is the largest mobile network operator in Greece. It currently has more than 7 million customers.

DiGi Malaysia

See DiGi Malaysia Case Study

DiGi Telecommunications is the 3rd largest mobile operator in the rapidly growing Malaysian telecoms market.

ERA Poland (T-Mobile)

See ERA Poland (T-Mobile) Case Study

Polska Telefonia Cyfrowa, a subsidiary of T-Mobile, is a major operator in Poland, with 3 distinct consumer brands (Era, TakTak and Heyah) and 13.2 million customers.

Etisalat UAE

See Etisalat UAE Case Study

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Part of the leading Africa and Middle East mobile group, Etisalat has 7 million subscribers in the United Arab Emirates.

Glo Nigeria

See Glo Nigeria Case Study

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Glo Mobile is one of the largest mobile operators in Africa, with business in Nigeria, Benin and Ghana.It is also one of the fastest growing networks in the region, with over 22 million subscribers.

MTN Benin

See MTN Benin Case Study

MTN Benin is a rapidly-growing West African mobile operator, a subsidiary of the MTN Group, which focuses in the Africa and Middle East regions.
a major communications company, MTN is focused on the African continent

MTN Ghana

See MTN Ghana Case Study

MTN Ghana is the country’s leading mobile operator, with more than 60% of the local market. A subsidiary of the MTN Group.
a major communications company, MTN is focused on the African continent

MTN Nigeria

See MTN Nigeria Case Study

MTN Nigeria is not only the market leader in the local market, but also the largest mobile operator in the African region, in number of subscribers.
a major communications company, MTN is focused on the African continent

MTN Rwanda

See MTN Rwanda Case Study

MTN is a global communications company and world-class cellular network. As a major communications company, MTN is specifically focused on Africa and the Middle East

MTN Syria

See MTN Syria Case Study

Syria is one of MTN’s growth markets in the Middle East region. MTN is one of the biggest telecoms groups in the world.
a major communications company, MTN is focused on the African continent

O2 Czech Republic

See O2 Czech Republic Case Study

A leading pan-European telecommunications company. It currently has 44.9 million fixed and mobile customers across Europe.

Orange Spain

See Orange Spain Case Study

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Orange is now the unique commercial façade of almost all France Télécom mobile services. Currently France Telecom serves more than 177 million customers in five continents, of which two thirds are Orange customers.

Personal Argentina

See Personal Argentina Case Study

Telecom Personal, owned by Telecom Argentina, is one of the leading mobile operators in Argentina with over 13.7 million subscribers.

STC Saudi Arabia

See STC Saudi Arabia Case Study

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STC is the leading operator in Saudi Arabia, and one of the largest in the Middle East.

T-Mobile Hungary

See T-Mobile Hungary Case Study

T-Mobile is a global mobile operator in Europe and the US. T-Mobile Hungary is the leading operator in the market, with over 5 million subscribers.

TIM Brazil

See TIM Brazil Case Study

TIM Brazil is one of the biggest operators in Latin America, with over 40 million subscribers.

TIM Italy

See TIM Italy Case Study

TIM, a subsidiary of Telecom Italia, is the largest operator in Italy with over 30 million subscribers.

TMN Portugal

See TMN Portugal Case Study

TMN is Portugal's first mobile communications company, both chronologically and in market share. It currently has more than 5.7 million subscribers.

Vodacom Tanzania

See Vodacom Tanzania Case Study

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Vodacom Tanzania is the no-1 operator in this fast-growing East African market, with over 9 million subscribers.

Vodafone Greece

See Vodafone Greece Case Study

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The Greek subsidiary of global mobile operator group Vodafone, with over 5 million subscribers.

Vodafone Hungary

See Vodafone Hungary Case Study

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With 2.5 million subscribers, Vodafone Hungary is a major player in the Hungarian market.

Vodafone Italy

See Vodafone Italy Case Study

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Vodafone Italy is one of the largest subsidiaries of the Vodafone Group, numbering 30 million subscribers.

Vodafone Romania

See Vodafone Romania Case Study

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Vodafone Romania has 10 million subscribers, and has been an Upstream partner since 2007.

Wind Italy

See Wind Italy Case Study

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Wind is an Italian integrated telecoms group based in Italy. In its home market, Wind is the third largest mobile operator in terms of subscribers.

Zain Nigeria

See Zain Nigeria Case Study

With close to 20 million subscribers, Zain Nigeria is the country’s no2 mobile operator. A subsidiary of the Zain Group, now owned by Bharti AirTel.