Upstream

London, United Kingdom Founded: 2001 • Age: 25 yrs Acquired By Intersel
Upstream is recognized as a leader in mobile marketing solutions.
Annual revenue - Latest available
Total funding $41.8M 4 rounds
Employees - Tracked headcount
Investors 6 Known backers
Products 3 Services tracked
Competitors 10 Brand Intelligence

About Upstream

Upstream is a company based in London (United Kingdom) founded in 2001 by Marco Veremis was acquired by Intersel in July 2025. It operates as a SaaS (Software-as-a-Service) and Professional Services. Upstream has raised $41.79 million across 4 funding rounds from investors including Alpha Bank, National Bank of Greece and Actis. Upstream offers products and services including Grow Platform, E-commerce Solutions, and Mobile Operator Solutions. Upstream operates in a competitive market with competitors including Localytics, Vibes, Pathmatics, Famous and Brandtone, among others.

  • Headquarter London, United Kingdom
  • Founders Marco Veremis
  • Sectors
    Technology
  • Email
    ***********
  • Phone
    *********
  • Website
    *********
  • Social
    *********
  • Legal Name Upstream Systems
Operational Areas
Technology → Marketing, Adtech & Commerce Technology
Key Metrics
  • Annual Revenue
  • Net Profit
  • EBITDA
  • Total Equity Funding
    $41.79 M (USD)

    in 4 rounds

  • Latest Funding Round
    $14.82 M (USD), Debt – Conventional

    Dec 19, 2022

  • Investors
    Alpha Bank

    & 5 more

  • Employee Count
    Employee Count
  • Acquired by
    Intersel

    (Jul 11, 2025)

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Products & Services of Upstream

Upstream offers a comprehensive portfolio of products and services, including Grow Platform, E-commerce Solutions, and Mobile Operator Solutions.

Primary

Mobile marketing platform maximizing leads and sales effectively.

Solutions for e-commerce to boost sales and engagement.

Cross-channel journeys for operators to increase revenue.

People of Upstream

Headcount 200-500
Employee Profiles 98
Board Members and Advisors 7
Employee Profiles
People
Evi Koukorempa
Growth & Business Development Director
People
Adedapo Aremu
Senior Account Manager
People
Alexios Stavrianos
Technical Team Lead
People
Benjamin Boulan
Commercial Innovation Director

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Board Members and Advisors
people
Hossam Aboumoussa
Board Member
people
David Kunzmann
Board Member
people
Rick Phillips
Board Member
people
Ken Campbell
Board Member

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Funding Insights of Upstream

Upstream has successfully raised a total of $41.79M across 4 strategic funding rounds. The most recent funding activity was a Debt – Conventional round of $14.82 million completed in December 2022. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding
  • Total Rounds 4
  • Last Round Debt – Conventional — $14.8M
  • First Round

    (01 May 2009)

  • Investors Count 5
Date Amount Transaction Name Valuation Lead Investors Investors
Dec, 2022 Amount Debt – Conventional - Upstream Valuation

investors

Feb, 2017 Amount Series B - Upstream Valuation

investors

Apr, 2014 Amount Series B - Upstream Valuation Actis

Investors in Upstream

Upstream has secured backing from 6 investors, including institutional and venture fund investors. Prominent investors backing the company include Alpha Bank, National Bank of Greece and Actis.

All
Venture Fund
Institutional
Investor Description Founded Year Domain Location
Finance and advisory services for infrastructure projects are provided.
Founded Year Domain Location
Sustainable infrastructure projects are invested in for essential services.
Founded Year Domain Location
Tech & offline focused early & growth stage VC firm investing in Europe, Asia & the US
Founded Year Domain Location

Investments & Acquisitions by Upstream

Investments

Financial Statements - Upstream

Upstream Comparisons

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Competitors of Upstream

Upstream operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Localytics, Vibes, Pathmatics, Famous and Brandtone, among others.

Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Mobile App User Analytics & Marketing
domain founded_year HQ Location
Mobile marketing solutions are provided for business customer engagement.
domain founded_year HQ Location
Digital advertising intelligence is supplied to global industry stakeholders.
domain founded_year HQ Location
Mobile marketing solutions are provided for branded app creation.
domain founded_year HQ Location
Mobile marketing platform for FMCG advertisers
domain founded_year HQ Location
In-app marketing automation is delivered for mobile app optimization.

Latest news on Upstream

Frequently Asked Questions about Upstream

Upstream was founded in 2001 and raised its 1st funding round 8 years after it was founded.

Upstream is headquartered in London, United Kingdom. It is registered at London, England, United Kingdom.

Upstream is a funded company, having raised a total of $41.79M across 4 funding rounds to date.

Upstream is established as a prominent provider of mobile marketing solutions, focusing on maximizing leads, sign-ups, and sales across various mobile channels. Services are offered to industries such as e-commerce and mobile operators, utilizing the proprietary Grow platform. Customer engagement and acquisition are enhanced through data-driven technology and predictive analytics. Global reach is achieved with a presence in multiple countries, supporting over 370 advertisers and connecting with 1.2 billion consumers monthly.

Upstream's top competitors include Vibes, Pathmatics and Localytics.

Upstream offers Grow Platform, E-commerce Solutions, and Mobile Operator Solutions.

Upstream has 6 investors. Key investors include Alpha Bank, National Bank of Greece, Actis, European Investment Bank, and TLcom Capital Partners.

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