Esendex
Esendex is a UK-based CPaaS provider offering unified multichannel messaging (SMS, WhatsApp, RCS, Email, Voice) via APIs and a web platform, serving 46,000+ enterprise, government, and SMB customers across 190+ countries with subscription and usage-based pricing.
- Company typePrivate
- Founded2000
- HeadquartersNottingham, United Kingdom
- Headcount101–250
- GTM typeB2B
- OfferingSoftware
What Esendex does
Esendex is a UK-based Communications Platform as a Service (CPaaS) provider headquartered in Nottingham and operated by Commify UK Limited. The company offers a unified multichannel messaging platform that enables businesses to send, receive, manage, and track communications across SMS, WhatsApp, RCS, Email, and Voice channels, exposed through both a web-based Messaging Platform UI and a suite of REST APIs (SMS API, WhatsApp API, RCS API, Email API, Voice API, Multichannel API) with SMPP gateway access for high-throughput bulk messaging. Supporting products include Mobile Journeys (branded in-message web experiences), Digital Letters (secure mobile document delivery), a Reseller Programme for white-label partners, and a Managed Services team for implementation and bespoke automation. Esendex holds ISO 27001, PCI DSS Level 1, Cyber Essentials, SOC2, FSQS, and is GDPR- and FCA-compliant, and is an official Meta Business Partner for WhatsApp and a Google Partner.
The company serves approximately 46,000+ active customers processing 5B+ messages per year across 190+ countries, with operational country sites in the UK, France, Australia, Germany, Ireland, Italy, Spain, and the US. Customer segments are concentrated in regulated verticals — financial services, retail and e-commerce, healthcare, UK local government, and software companies embedding messaging via API — alongside utilities, property, recruitment, education, social housing, transport, and travel/hospitality. Publicly disclosed tiered pricing (£54/month Starter, £143/month Growth, £468/month Enterprise) is paired with usage-based and custom quote-based pricing for high-volume enterprise customers. Go-to-market combines self-serve PLG (free trials, API portal, marketplace listings on Salesforce/Shopify/Zendesk/Zapier) with direct enterprise sales and a reseller channel.
Revenue mechanics blend subscription packages, per-message usage fees, and API licensing-style access charges; AI-assisted conversational chatbots are listed as an emerging capability still in development. Esendex has grown in part through acquisitions of Text MArketer (2013), Collstream (2014), and SMSpubli (2017), and was awarded the Queen's Award for Enterprise: Innovation in 2020 for its Mobile Collections debt-recovery solution. The company is privately held under Commify UK Limited with no disclosed external funding rounds.
Esendex firmographics
Firmographics- Name
- Esendex
- Legal name
- Commify UK Limited
- Website
- https://esendex.co.uk
- Company type
- Private
- Founded year
- 2000
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Esendex is a UK-based CPaaS provider offering unified multichannel messaging (SMS, WhatsApp, RCS, Email, Voice) via APIs and a web platform, serving 46,000+ enterprise, government, and SMB customers across 190+ countries with subscription and usage-based pricing.
- Ownership category
- akta.pro rank
Esendex industry classification
Industry- Product category
- Communications Platform as a Service (CPaaS)
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (51821), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Integrated Systems Design (7373), Telegraph & Other Message Communications (4822)
- akta.pro primary industry
- Messaging APIs, CPaaS & Programmable Communications (BPAMACAL)
Keywords
Where Esendex is headquartered
LocationHeadquarters
- HQ city
- Nottingham
- HQ country
- United Kingdom
- HQ region
- Europe
Offices2 records
Markets served
Esendex business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations
Revenue model
- Subscription-based Messaging Packages: Tiered monthly subscription packages (Starter, Growth, Enterprise) providing fixed message allocations with volume-based pricing starting at 2.3p per message
- Usage-based Messaging: Pay-per-message pricing model where customers are charged based on actual message volume consumed, offering flexibility for variable-volume customers
- API Access and Developer Services: API access fees and developer-focused services for software companies integrating messaging capabilities into their applications
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Starter: £54/month for 500 messages |
| Subscription | Monthly | Growth: £143/month for 2,500 messages |
| Subscription | Monthly | Enterprise: £468/month for 10,000 messages |
| Usage-based | Pay-as-you-go | Custom Volume Pricing |
Go-to-market motion4 records
Distribution channels4 records
Marketing channels6 records
Esendex product offering
Product offeringCore offering
Esendex is a Communications Platform as a Service (CPaaS) provider that delivers a unified multichannel messaging platform enabling businesses to send, manage, and track messages across SMS, WhatsApp, RCS, Email, and Voice channels. The company offers both a web-based Messaging Platform for business users and build-once REST APIs (SMS API, WhatsApp API, RCS API, Email API, Voice API, Multichannel API) for developers, complemented by Mobile Journeys, Digital Letters, a Reseller Programme, and Managed Services.
Product overview
Esendex operates as a Communications Platform as a Service (CPaaS) provider offering a unified multichannel messaging platform backed by individual API products. The core Messaging Platform serves as the central hub for managing SMS, WhatsApp, RCS, Email, and Voice channels, while dedicated APIs (SMS API, WhatsApp API, RCS API, Email API, Voice API) provide granular programmatic access for developers. Supporting products include Mobile Journeys for branded mobile web experiences, Digital Letters for secure document delivery, the Reseller Programme for white-label partners, and Managed Services for implementation and custom automation. The architecture is designed for both no-code users via the web platform and developers via RESTful APIs with SDK support in multiple languages.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- 99.99% uptime guarantee
- +2 more outcomes
Companies that use Esendex
Customer profileNamed customers22 records
Segments12 records
Ideal customer profiles3 records
Esendex technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
AI capability3 records
Feature7 records
Esendex partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered flagship and core.
- Meta (Facebook)flagshipOfficial Meta Business Partner for WhatsApp Business API, enabling Esendex to offer enterprise-grade WhatsApp messaging capabilities to customers requiring rich, interactive business communications.
- GooglecoreGoogle Partner status for messaging services integration, supporting RCS (Rich Communication Services) and other Google communication platform integrations.
- SalesforcecorePre-built integration with Salesforce CRM enabling customers to send SMS, WhatsApp, and other messaging directly from Salesforce workflows and customer records.
- ZapiercoreIntegration with Zapier's automation platform enabling non-technical users to connect Esendex messaging to 5,000+ applications without coding.
- ShopifycoreShopify app integration enabling e-commerce businesses to send order notifications, shipping updates, and marketing messages directly from their Shopify store.
- ZendeskcoreIntegration with Zendesk customer service platform enabling support teams to send SMS and WhatsApp notifications and communications from within Zendesk.
- Reseller PartnerscoreNetwork of reseller partners extending Esendex market reach across UK, France, Australia, Germany, Ireland, Italy, Spain, and US markets.
Scale indicators5 records
Recent moves6 records
Expansion highlights2 records
Esendex competitors and assessment
Company assessmentDirect peers
- TextMagic: SMB-focused business SMS and messaging platform with web app and API access. Comparable on the SMS/messaging core offering and self-serve SMB GTM, though with a narrower channel set than Esendex.
- Twilio: Largest independent CPaaS provider offering programmable SMS, WhatsApp, Voice, and Email APIs with global carrier coverage. Most directly comparable on product breadth (multichannel APIs, SDKs, enterprise scale), though Twilio is several orders of magnitude larger than Esendex.
- Sinch: Swedish-headquartered CPaaS leader offering SMS, WhatsApp, RCS, Voice, and Email APIs with strong European enterprise footprint. Closely comparable on geographic orientation, channel breadth, and regulated-vertical focus.
- Infobip: Global CPaaS platform with native SMS, WhatsApp, RCS, Email, and Voice APIs plus a strong focus on enterprise and regulated industries. Comparable on full-stack multichannel offering and enterprise go-to-market.
- MessageBird (Bird): Amsterdam-based CPaaS providing SMS, WhatsApp, Email, Voice, and marketing automation through unified APIs. Comparable multichannel product and SMB-to-enterprise GTM, with similar European heritage.
- CM.com: Dutch CPaaS offering SMS, WhatsApp, Voice, Email, and conversational AI through a unified platform. Closely comparable on European roots, multichannel APIs, and regulated-vertical customer base.
- Plivo: Cloud communications platform offering SMS, Voice, and WhatsApp APIs with self-serve developer onboarding. Comparable on API-first CPaaS positioning and SMB/developer GTM.
Broad incumbents
- Vonage (Ericsson): Communications APIs (SMS, Voice, Video, WhatsApp) plus broader UCaaS/CCaaS portfolio now part of Ericsson. Overlaps with Esendex on programmable messaging APIs but operates at much larger scale and scope.
- Amazon SNS: AWS-managed pub/sub messaging and SMS notification service embedded inside the AWS ecosystem. Overlaps with Esendex on programmatic SMS/notification delivery for developer and enterprise customers.
Emerging players
- Telnyx: CPaaS and connectivity provider offering SMS, Voice, and messaging APIs with a focus on private IP network quality. Comparable on programmable messaging APIs though differentiated by deeper telecom-network ownership.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
Esendex social profiles
Digital presenceEsendex compliance and trust
Trust signalCompliance6 records
Esendex financial estimates
Financial estimateRevenue estimate
Valuation estimate
Esendex leadership team
Management profileNumber of profiles
Profiles2 records
Esendex funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Esendex M&A and investment
M&A and investmentM&A3 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Esendex
What does Esendex do?
Esendex is a Communications Platform as a Service (CPaaS) provider that delivers a unified multichannel messaging platform enabling businesses to send, manage, and track messages across SMS, WhatsApp, RCS, Email, and Voice channels. The company offers both a web-based Messaging Platform for business users and build-once REST APIs (SMS API, WhatsApp API, RCS API, Email API, Voice API, Multichannel API) for developers, complemented by Mobile Journeys, Digital Letters, a Reseller Programme, and Managed Services.
Is Esendex a public or private company?
Esendex is a private company. It is classified as unknown and is currently operating.
When was Esendex founded?
Esendex was founded in 2000. It employs 101 to 250 people.
Where is Esendex based?
Esendex is headquartered in Nottingham, United Kingdom, in the Europe region.
How does Esendex make money?
Three revenue lines are on record. Subscription-based Messaging Packages are the primary driver. The others are usage-based Messaging and API Access and Developer Services.
Who are Esendex's main competitors?
Direct peers on record are TextMagic, Twilio, Sinch, Infobip, MessageBird (Bird), CM.com and Plivo. Broad incumbents are Vonage (Ericsson) and Amazon SNS. Telnyx is listed as an emerging player.
Does Esendex have an API?
Yes. Esendex offers a comprehensive multichannel messaging API supporting SMS, WhatsApp, RCS, Email, and Voice channels. The API enables developers to send and receive messages, manage contacts, access real-time delivery receipts, and integrate with existing business systems. Available via REST with JSON payloads, webhooks for inbound/outbound messaging, and SMPP gateway access for high-throughput bulk SMS. Supports authentication via API key (X-Api-Key header). Documentation available at developer.esendex.co.uk. Managed services team provides free setup assistance for configuration and integration. Developer documentation is at developer.esendex.co.uk/home.
What industry is Esendex in?
Esendex's product category is Communications Platform as a Service (CPaaS). Its primary akta.pro industry code is BPAMACAL, Messaging APIs, CPaaS & Programmable Communications. Its NAICS code is 51821 and its SIC code is 7370.