Over 10 years we helping companies reach their financial and branding goals. Onum is a values-driven SEO agency dedicated.


Best bulk sms service provider in india

Your Business Needs Serious SMS Marketing

Each failed SMS costs a potential customer, do not take that risk, switch to Serious SMS.

We Are Bulk sms service provider in india

Every SMS Counts
Make most of it.

DLT Approved

We are DLT approved telemarketor and have reliable backend infrasructure that does everything to give you most out of your SMS marketing campaigns.


Do not let customers feel frustrated because of delays in OTP. We handle OTPs differently so our average OTP delivery time is less than 3 secs.

Transactional Bulk SMS

Our Transaction Bulk SMS are optimized for fast delivery so the information reaches your customer quick and easy.

Strictly NO Cutting

We do not cut sms delivery to lower the prices since we know that every sms is worth a potential customer. More deliveries means more returns!

Promotional Bulk SMS

Bulk SMS is still the most effective marketing technique. A well driven SMS marketing can yield higher returns than any other techniques.

Full API Access

We know that automation is key to successful business. All our plans comes with full API access and sample codes to get you started.

App Development

Create, publish, and promote engaging content to generate more traffic and build a dedicated community.

PPC Advertising

Target your ideal search phrases and get found at the top of Google’s search results. PPC allows you.

DLT Approved BULK SMS Provider in India

Do you find the DLT process too complicated?

Our experts can guide you through entire DLT approval process.

As per TRAI, everyone who wishes to send bulk sms should be registered on DLT platform. Sender IDs and SMS templates needs to be approved on DLT platform. We can help you to get registered & approved on DLT platforms.

Years Experience

Satisfied Clients

Daily SMS

0.3 secs
Avg Delivery Time

Build your small business

Not Cheap. Just High Quality Bulk SMS.

Running an ecommerce start-up?

Your ecommerce is serious business and requires serious communication with customers to convert them into engaged shoppers. Whether it is OTP for 2FA, Transactional SMS for orders tracking or Promotional SMS for your next marketing campaign; we have the expertise and experience to provide you right tools.

Running an Ed-Tech Startup?

Whether you are an individual tutor, institute or a school trying to leverage technology to educate people at a larger scale? You’ll need a reliable communication service to keep in touch with your students & parents. Our reliable bulk sms service is always on stand by to help you reach them anytime.


Need Bulk SMS Services for Hospitality Industry?

Good & prompt communication is key for customer satisfaction in hospitality business. Keep your customers informed and feel them delighted with our premium bulk sms services. Integrate your CRM through our mature APIs to automate the entire process.

Need Bulk SMS for Logistics Business?

Logistics business needs to deliver time constrained updates about the shipments to their customers. A reliable bulk sms like our’s can be a life savior and increase customer satisfaction thereby resulting in more business. Get in touch with us to explore the possibilities.

Looking for Bulk SMS Services for your Tourism Business?

Tourism is one of the fastest growing industry in India and like all other industries, prompt communication is key to success and growth. Run SMS marketing campaigns or send transactional sms to your customers using our reliable backend infrastructure.

Need Bulk SMS for your Financial Institution?

A financial institution must be highly dependable because customers trust them in their money matters. That is why, a financial institution needs a highly dependable bulk sms service to maintain customer trust and increase brand reliability.

exclusive pricing

Promotional Route

Promotional route Bulk SMS are suitable for running marketing campaigns.
Not delivered to DND numbers & Delivery time is 9 AM to 9 PM.

₹ 2000/-
10000 SMS

20 Paisa Per SMS

18% GST Extra

₹ 8500/-
50000 SMS

17 Paisa Per SMS

18% GST Extra

₹ 16000/-
100000 SMS

16 Paisa Per SMS

18% GST Extra

Transactional Route

Transactional route Bulk SMS are suitable for running OTPs and sending updates to customers.
Delivered to DND as well as Non DND numbers.


₹ 2200/-
10000 SMS

22 Paisa Per SMS

18% GST Extra

₹ 9500/-
50000 SMS

19 Paisa Per SMS

18% GST Extra

₹ 18000/-
100000 SMS

18 Paisa Per SMS

18% GST Extra
customers say

What They Say About
Our Company?

“After cycling through multiple Bulk SMS companies and seeing no results, I finally came across Serious Marketing by Bitss Techniques. Choosing to work with this company is hands down one of the best business investment decisions I have ever made.”

Mr. Abhishek,
Bhilwara Technical Institute
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