Best Corporate Mobile Plans in Singapore: Circles.life CIS vs M1 CIS

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Last updated: 12 September 2025

Written by: Circles.Life

5 minutes read

Singapore offers a range of corporate mobile plans to help businesses stay connected and provide employees with flexible mobile solutions. Two of the most popular options in the market are M1 CIS plans and Circles.life CIS plans. In this guide, we'll compare these two leading plans, helping you choose the one that best fits your company’s needs.

What is a CIS Plan?

A Corporate Individual Scheme (CIS) allows employees to enjoy customized mobile plans with special pricing, benefits, and more. These plans typically provide enhanced data, discounted rates, and exclusive features.

Who Can Apply for a CIS Plan?

Both M1 CIS and Circles.life CIS plans are available to employees working for participating companies. Companies must register with the respective service providers to qualify for these plans. Once approved, employees can access corporate rates and special offers.

Common Benefits of CIS Plans for Employees

  • Discounted Monthly Fees: Companies can negotiate special rates for their employees, often at a lower price compared to individual plans.

  • Exclusive Data Allowance: Both M1 CIS and Circles.life CIS plans provide enhanced data allowances tailored to business needs.

  • Free or Discounted Add-Ons: Enjoy access to additional services like extra data, roaming packages, and priority customer support.

  • International Roaming Deals: Many CIS plans include roaming packages, making it easier for employees to stay connected while traveling abroad.

  • Priority Customer Support: Get faster response times and premium customer service as part of your CIS plan.

  • Flexible Device Bundles: Choose from a variety of phones and tablets bundled with your plan.

M1 CIS Plan Overview

M1 CIS Plan Price & Types

Here’s a quick comparison of the available plan types under M1 CIS:

Type

Monthly Price (from)

Contract

Data Included

SIM-Only CIS

S$28

No

40GB to 100GB

SIM + Phone Bundle CIS

S$38

12 to 24 months

30GB to 60GB with a device

M1 SIM-Only CIS Plan

The M1 SIM-only CIS plan starts at S$28 per month and provides between 40GB and 100GB of data. This plan is ideal for employees who prefer a no-commitment, straightforward data package.

M1 Corporate Plan Contract Terms & Flexibility

M1 offers flexible contract terms with options ranging from month-to-month agreements to longer commitments, depending on the plan selected.

M1 Corporate Plan Roaming & IDD Options

M1 offers various roaming options, including free data allowances in certain regions and affordable international calling rates.

Exclusive CIS Perks from M1

M1 offers unique perks such as a higher data cap for corporate plans, additional roaming packages, and discounted rates for new devices.

Pros & Cons of M1’s CIS Offering

Pros

Cons

Competitive pricing

Limited device variety

High data allowances

Long-term contract options for some plans

International roaming perks

Higher cost for SIM + Phone Bundle

Circles.life CIS Plan Overview

Circles.life Plan Price & Types

Circles.life offers two CIS plan formats, both designed to deliver high value for professionals who need reliable data and flexible plan management.

Type

Monthly Price (from)

Contract

Data Included

SIM-Only CIS

S$15

No

50GB to 600GB

SIM + Phone Bundle CIS

S$15

No

350GB to 600GB with a device

Circles.life SIM-Only CIS Plan

Circles.life’s SIM-only CIS plan starts at S$15 per month and provides up to 600GB of data, with no contract lock-in. This plan is perfect for users who need flexibility while enjoying high data limits.

Circles.life SIM-Only CIS Plan Benefits

The Circles.life SIM-Only CIS plan allows employees to instantly activate their plan with eSIM or next-day delivery of a physical SIM card.

Circles.life Corporate Plan Contract Terms & Flexibility

Circles.life’s CIS plans offer ultimate flexibility, allowing employees to adjust or cancel their plans at any time.

Circles.life Corporate Plan Roaming & IDD Options

Roaming packages are available for international travel, including regional options that provide free or discounted data in selected countries.

Exclusive CIS Perks from Circles.life

Circles.life offers exclusive benefits such as additional data, streaming options, and access to digital tools for remote work.

Pros & Cons of Circles.life CIS Plan

Pros

Cons

Very flexible terms

Limited to no-device options

Affordable rates

Data speeds may vary based on location

No long-term contract

More complex billing for add-ons

Network Performance & Reliability

Network reliability plays a critical role in deciding between M1 CIS and Circles.life CIS. Here’s how they compare in terms of network performance.

Coverage in Singapore

Telco

4G Coverage (%)

5G Coverage (%)

Notable Strengths

M1

99.8%

80%

Excellent 4G coverage in urban areas

Circles.life

98%

70%

Strong coverage in the CBD and major towns

Coverage Outside Singapore

Both telcos offer roaming services in popular destinations worldwide, with M1 CIS offering a more expansive network coverage, especially in Southeast Asia.

4G vs 5G Speed Comparison

Telco

Network Type

Avg Download Speed (Mbps)

Avg Upload Speed (Mbps)

M1 CIS

4G

45

25

M1 CIS

5G

250

45

Circles.life

4G

40

20

Circles.life

5G

200

40

Which CIS Plan Offers the Best Value?

Best for Heavy Data Users

Circles.life CIS plans are ideal for employees who need a large amount of data. With up to 600GB per month at an affordable price, it stands out for heavy data users.

Best for Frequent Travellers

If your employees travel frequently, M1 CIS may offer a better deal with its comprehensive roaming options and international call rates.

Best for Budget-Conscious Customers

For companies looking to minimize costs while still offering high-quality plans, Circles.life CIS offers a more affordable solution with no contract lock-ins.

Conclusion

Choosing the best CIS plan for your business comes down to what your employees need. Whether it’s the flexibility of Circles.life CIS plans or the robust network of M1 CIS plans, both offer valuable options that can be tailored to suit your company's needs. By weighing the benefits, pricing, and network coverage, you can find the best plan to ensure your team stays connected.

Did You Know?

  • M1 CIS offers a wider range of device bundles, while Circles.life CIS excels in flexibility with no contracts.

  • Both providers are continuously expanding their 5G coverage, offering faster speeds and enhanced connectivity.

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ABOUT THE ARTICLE

Published 2025/04/29

Written by Circles.Life

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