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Business professionals in Nairobi using their mobile phones

Reach Thousands. Communicate Instantly.

Bulk SMS Services in Kenya

Connect with customers, members, students, employees and communities through a powerful Bulk SMS solution built for organisations operating in Kenya.

Plans from KES 0.20 per SMS · Free account setup

Branded Sender ID

Your messages arrive from your business name, so customers recognise and trust them.

M-Pesa top-up

Buy SMS credit from your phone and start sending straight away.

Delivery reports

See which messages reached your recipients on every campaign.

Instant API access

Send alerts, reminders and OTPs automatically from your own systems.

One platform

One Platform for Business Messaging

SMS remains one of the simplest ways for organisations to deliver time-sensitive information directly to mobile users.

Whether you need to communicate with a few hundred customers or thousands of members, Frostwood Bulk SMS lets you send announcements, reminders, notifications, transactional messages and marketing campaigns from one platform — instead of sending individual messages manually.

Use Bulk SMS for:

  • Customer announcements
  • Payment confirmations
  • Fee reminders
  • Loan reminders
  • Appointment reminders
  • Order updates
  • Event notifications
  • Staff communication
  • Member notices
  • OTP and verification messages
  • Emergency alerts
  • Promotional campaigns
  • Service updates
  • Application and admission notifications

Beyond messaging

More Than Just Sending Messages

Our goal is to help organisations connect SMS communication with the systems they already use.

Use Frostwood Bulk SMS as a standalone messaging platform, or integrate messaging into a website, CRM, ERP, SACCO system, school management platform, e-commerce website, mobile application or custom business software.

Send

Upload contacts, create a message and communicate with your audience.

Personalise

Send messages that include information such as customer names, balances, reference numbers, appointment dates or other relevant details.

Automate

Trigger SMS messages when predefined business events happen.

Integrate

Connect SMS functionality to your existing software through an API.

Across Kenya

Bulk SMS for Organisations Across Kenya

Because messaging is digital, organisations with customers or members distributed throughout the country can manage communication centrally.

Serving organisations in

  • Nairobi
  • Mombasa
  • Kisumu
  • Nakuru
  • Eldoret
  • Kiambu
  • Machakos
  • Nyeri
  • Meru
  • Kisii
  • and other counties

Frostwood serves

  • SMEs
  • SACCOs
  • Chamas
  • Associations
  • Schools
  • Colleges
  • TVET institutions
  • Universities
  • NGOs
  • Hospitals
  • Clinics
  • E-commerce businesses
  • Property managers
  • Churches
  • Professional associations
  • Retail businesses
  • Logistics companies
  • Financial organisations
  • Service businesses

Platform features

Everything you need to run SMS campaigns

One platform for one-off announcements, scheduled campaigns and automatic alerts from your systems.

Branded Sender ID

Branded SMS Sender ID

Help recipients recognise who is communicating with them. A registered Sender ID allows supported business messages to display an approved organisation or brand name instead of an unfamiliar mobile number.

  • FROSTWOOD
  • SOMASCHOOL
  • ABC-SACCO

Sender ID registration is subject to the applicable documentation, operator and messaging-provider approval processes.

  • One-off registration fee per network: Safaricom KES 6,500 · Airtel KES 6,500 · Telkom KES 6,000
Learn About Sender ID Registration

M-Pesa top-up

Buy SMS credit the way you pay for everything else

No bank transfers or waiting for invoices to clear. Enter the amount, approve the M-Pesa prompt on your phone, and your SMS credit is ready to use.

  • Top up from your phone in moments
  • Pay only for the messages you send
  • Keep sending without interruption

Bulk upload & scheduling

Thousands of personalised messages, sent exactly when you want

Upload your contacts from Excel or CSV, insert details like each person's name or balance, and schedule the campaign for the right moment — or send it immediately.

  • Import contacts from Excel or CSV
  • Personalise every message with your own fields
  • Schedule campaigns in advance

Delivery reports

Know exactly which messages were delivered

Every campaign comes with an SMS delivery report, so you can see what reached your recipients and follow up on anything that didn't.

  • See which messages were delivered
  • Follow up on anything that wasn't
  • Included in every plan

SMS API

SMS API Integration

Developers and organisations can integrate SMS functionality directly into supported applications. This makes SMS part of your business workflow instead of a separate manual task.

Possible workflows

  • Customer makes a paymentPayment confirmation SMS
  • Student completes registrationRegistration confirmation
  • Loan application approvedMember notification
  • Appointment createdAppointment reminder
  • Order dispatchedDelivery update
  • Password reset requestedVerification code
  • Invoice becomes overduePayment reminder

Message types

Transactional and Promotional Messaging

Transactional SMS

Transactional messages are triggered by an action, transaction or operational process.

Examples include

  • Receipts
  • Account alerts
  • Appointment reminders
  • Order notifications
  • Loan status updates
  • Student registration notifications
  • Service alerts
More about transactional sms

Promotional SMS

Promotional messages help organisations communicate campaigns, offers and marketing information to appropriate audiences.

Examples include

  • Product promotions
  • Event campaigns
  • New service announcements
  • Sales offers
  • Customer re-engagement campaigns
More about promotional sms

Marketing campaigns should only be sent to appropriately obtained contacts and should provide applicable opt-out mechanisms.

Why SMS

Why Businesses Choose SMS

Direct communication

Messages are delivered directly to a recipient's mobile number without requiring them to open another app.

Suitable for urgent information

SMS can be used for important reminders, alerts and notifications where timely communication matters.

Works across many industries

The same messaging infrastructure can support a SACCO contribution notice, school fee reminder, hospital appointment reminder or e-commerce order update.

Easy to integrate

Businesses can connect SMS functionality to existing digital systems.

Measurable

Supported delivery reporting helps organisations monitor message status and campaign activity.

How it works

From sign-up to sent in four steps

  1. 01

    Create your account

    Sign up on the bulk SMS platform.

  2. 02

    Top up with M-Pesa

    Buy SMS credit and it's ready to use.

  3. 03

    Add your contacts

    Import from Excel or CSV into groups.

  4. 04

    Send & track

    Send now or later, then check the delivery report.

Pricing

Simple, volume-based SMS pricing

Pay per SMS. The more you send, the lower your rate — top up any time with M-Pesa.
Silver

KES 0.30/SMS

Below 500K SMS

  • Free account setup
  • Instant API access
  • SMS delivery reports
  • Excel contacts upload
Get started
Gold

KES 0.25/SMS

500K – 1M SMS

  • Free account setup
  • Instant API access
  • SMS delivery reports
  • Excel contacts upload
Get started
Platinum

KES 0.20/SMS

Above 1M SMS

  • Free account setup
  • Instant API access
  • SMS delivery reports
  • Excel contacts upload
Get started

Prices are per SMS. Not sure which plan fits? Talk to our team.

Built for Communication. Designed for Integration.

Frostwood combines messaging technology with software development, web development and API integration capabilities. This means organisations can start with Bulk SMS today and later connect it to broader digital workflows.

Instead of simply buying SMS credits, you can build a communication infrastructure around your organisation.

FAQs

Frequently Asked Questions

Something else? Ask us on WhatsApp.

Ready to Communicate at Scale?

Send business messages, automate notifications or integrate SMS directly into your organisation's systems.

Start with Frostwood Bulk SMS.