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Simwood: API-first, infrastructure-based, UK & US domestic carrier. We are a dynamic telecoms carrier specialising in innovation-driven telephony, enabling providers to connect their platforms to the PSTN. Additionally, our smart, feature-rich hosted voice platform allows you to deliver an industry-leading experience to your customers. Simwood is a licensed operator in the US, with CLEC status in 21 states and nationwide coverage through our numbering system. We provide clean numbering in our network presence areas while offering high-quality, reliable termination. Stay compliant with STIR/SHAKEN attestation on every call, explore our feature-rich APIs, and benefit from unparalleled fraud controls. With availability zones on two continents, our infrastructure is a safe pair of hands, offering you global coverage. With 28 years of experience serving other telcos, we are a trusted domestic carrier in both the UK and USA, and we are the secret weapon behind many top names in telecoms. Our agility and commitment to innovation, coupled with a rock-solid network and pioneering fraud protection, set us apart as a rare find in the industry.

Website http://www.simwood.com
Revenue $8 million
Employees 17 (17 on RocketReach)
Founded 1997
Phone (833) 857-3277
Technologies
Industry Telecommunications, Telecommunications General, VoIP, Hardware, IP Transit, Wholesale Termination, UK telephone numbering, Mobile, MVNE
Web Rank 1 Million
Keywords Api, Telephony, Telecom, Carrier, Sms, Messaging, Voip, Cloud, Infrastructure, Connectivity, Platform, Mobile, Network, Technology, Services, Solutions
Competitors Twilio, Bandwidth Inc., RingCentral, Vonage, Sinch, Infobip, Sendinblue, SparkPost, a MessageBird company, Plivo, ApexChat +35 more (view full list)
SIC SIC Code 48 Companies, SIC Code 481 Companies
NAICS NAICS Code 51 Companies, NAICS Code 5179 Companies, NAICS Code 517911 Companies, NAICS Code 517 Companies, NAICS Code 51791 Companies

Simwood eSMS Limited Questions

The Simwood eSMS Limited annual revenue was $8 million in 2026.

17 people are employed at Simwood eSMS Limited.

Simwood eSMS Limited is based in Bristol, England.

The NAICS codes for Simwood eSMS Limited are [51, 5179, 517911, 517, 51791].

The SIC codes for Simwood eSMS Limited are [48, 481].

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