Best Alternatives to ClickSend

Sinch is a Stockholm-based cloud communications company that trades on Nasdaq Stockholm under the ticker SINCH and provides a customer communications cloud spanning SMS, voice, ema

Salvy is a São Paulo, Brazil-based mobile virtual network operator (MVNO) for businesses — backed by Y Combinator (W24) with $13.2 million raised including a BRL 10 million seed ro

Alphabet Inc. is a Mountain View, California-based technology conglomerate — publicly traded on the NASDAQ (NASDAQ: GOOGL, GOOG) as an S&P 500 Information Technology component — op

Verizon Communications is a New York-based telecommunications giant operating the largest US wireless network — serving approximately 114 million wireless connections across consum

Alphabet Inc. Class C shares (Nasdaq: GOOG) represent the same underlying business as Class A (GOOGL) but carry no shareholder voting rights—created in the 2014 stock split to allo

T-Mobile is the second-largest wireless carrier in the United States, founded in 1994 and headquartered in Bellevue, Washington. The company transformed its competitive position th

Omnicom Group is one of the world's largest holding companies for advertising, marketing, and communications services, founded in 1986 through the merger of BBDO, Doyle Dane Bernba

Telefonaktiebolaget LM Ericsson is a Swedish multinational networking and telecommunications company headquartered in Stockholm, founded in 1876. The company is one of the two lead

KDDI Corporation is Japan's second-largest mobile carrier and fixed-line operator, headquartered in Tokyo. Operating under the au brand, KDDI serves approximately 60 million mobile

Nippon Telegraph and Telephone Corporation (NTT) is Japan's largest telecommunications company and one of the world's largest by revenue, reporting approximately $120 billion in re

Match Group, Inc. is a Dallas, Texas-based online dating and relationship services company — publicly traded on NASDAQ (NASDAQ: MTCH) as an S&P 500 Communication Services component

Infobip is a global cloud communications company founded in 2006 in Vodnjan, Croatia, and now headquartered in London, that has built one of the world's most extensive direct carri

LiveChat is a Wrocław, Poland-based customer service software company that develops and operates a suite of SaaS products centered on the LiveChat customer service platform — a liv

SoftBank Corp. is Japan's third-largest mobile carrier and a subsidiary of SoftBank Group Corp., headquartered in Tokyo. The company serves over 27 million mobile subscribers in Ja

SK Telecom Co., Ltd. is South Korea's largest mobile carrier, headquartered in Seoul, serving approximately 31 million mobile subscribers. The company was the world's first to comm