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

If you're working in Singapore and want more value out of your mobile plan, Corporate Individual Schemes (CIS) could be exactly what you need. These employee-only offers are packed with perks like discounted rates, extra data, and exclusive benefits that aren’t available with regular plans.

Both M1 and Circles.life offer CIS plans, but they cater to different needs. Whether you're looking for contract-free flexibility, generous data, or a bundled phone deal, each provider has something unique to offer.

In this guide, we’ll compare M1 and Circles.life CIS plans side by side. We’ll cover pricing, contract terms, data limits, and extras to help you figure out which one fits your work-life setup best.

What is a CIS Plan?

A Corporate Individual Scheme (CIS) is a mobile plan created for employees of companies or institutions that have partnerships with mobile providers. These plans are designed to provide more value than standard consumer offers.

With a CIS plan, you can typically enjoy lower monthly fees, larger data allowances, and added features like roaming add-ons, free caller ID, or even device discounts. To sign up, most providers will ask you to verify your employment with a company email or employee ID.

M1 CIS Plan Overview

What is the M1 CIS Plan?

The M1 CIS Plan is an exclusive mobile plan for employees of companies that have partnered with M1. These plans are designed to offer better value than standard mobile packages, including extra data, discounted pricing, and the option to bundle a new phone.

Employees can choose between SIM-only plans and phone bundles, depending on their needs. Whether you want flexibility or a new device, M1’s CIS offering provides a couple of solid options.

M1 CIS Plan Price & Types

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

The SIM-only plan is great if you already have a phone and want more flexibility. The phone bundle option is ideal for those who need a new device and don’t mind signing up for a contract.

M1 SIM-Only CIS Plan

M1’s SIM-only CIS plan starts at S$28 per month and includes between 40GB and 100GB of data, depending on the latest promotion. This plan is a good option for employees who want a straightforward data package without being locked into a long-term commitment.

M1 CIS Plan Benefits

Here are some perks you can expect when signing up for the M1 CIS plan:

• Competitive pricing with employee-only rates

• Generous data options for work and personal use

• Free local talk time on selected plans

• Device bundles available through the phone + SIM option

• Access to M1’s 4G and 5G networks across Singapore

M1 CIS Code & Promo Details

To access M1’s CIS offers, you’ll typically need a promo code from your HR department or internal company platform. This code is used to confirm your eligibility.

You may need to verify your employment using a corporate email or employee ID during sign-up. Promo availability can vary, so it’s best to check the latest offers directly on M1’s website or through your company’s HR team.

Circles.life CIS Plan Overview

What is the Circles.life CIS Plan?

The Circles.life CIS Plan is designed for employees of companies that have a partnership with Circles.life. It’s ideal for users who want generous data, flexible billing, and the ability to manage their mobile plan without being tied down by a contract.

This plan focuses on convenience, with digital-first sign-ups, fast eSIM activation, and customisable options that let you build a plan around your actual usage.

Circles.life Plan Price & Types

Circles.life offers two CIS plan formats, both focused on delivering high value for professionals who need reliable data and simple plan management.

The SIM-only plan is the most popular choice, giving users the freedom to cancel or adjust their plan any time. The phone bundle option is there if you need a device included.

Circles.life SIM-Only CIS Plan

The SIM-only CIS plan from Circles.life provides up to 600GB of data per month without locking you into a contract. It's made for users who want flexibility, whether they’re working remotely, commuting, or streaming on the go.

You can activate your plan instantly using eSIM or opt for next-day delivery with a physical SIM card.

Circles.life Plan Benefits

Here’s what you get with a Circles.life CIS plan:

• S$8 off monthly for 12 months using the CIS promo code

• Up to 600GB of data each month

• No contract required for SIM-only plans

• Custom add-ons for roaming, travel insurance, and extra data

• Free caller ID, bonus birthday data, and roaming features

• Instant activation through eSIM for supported devices

Circles.life Code & Promo Details

To access Circles.life’s CIS offers, just enter your CIS promo code during sign-up. This code is usually available through your HR department or company portal.

Once you enter the code, you'll be prompted to verify your employment using a company email or ID. After that, the promo will be applied automatically.

👉View Circles.life CIS Plan Here

M1 vs Circles.life CIS Plan

Now that you’ve seen what each plan offers, here’s a side-by-side comparison to help you decide which one fits your needs better.

👉 Not sure which CIS plan fits you best? Check out our guide to choosing the right Corporate Individual Scheme in Singapore.

Why Circles.life CIS Plan is Better for Most Users

M1 offers reliable options with phone bundles and a familiar network, but Circles.life stands out for users who value flexibility, data, and convenience. If you want a plan that adapts to your lifestyle instead of locking you into one, Circles.life is likely the better fit.

Here’s what gives Circles.life the edge:

• No contract required – you can cancel or change your plan anytime

• S$8 monthly discount for 12 months with a valid CIS promo code

• Up to 600GB of data monthly, perfect for users who rely on mobile internet

• Quick setup with eSIM activation available within minutes

• Flexible add-ons for roaming, extra data, and travel insurance

For professionals who want more control over their mobile experience, Circles.life offers a smoother, more modern solution that prioritises freedom and real value.

👉 Check Your Company’s Eligibility and Sign Up Here

FAQs

What is a CIS mobile plan?

A CIS (Corporate Individual Scheme) mobile plan is a special offer for employees of partnered companies. These plans often come with better rates, more data, and extra features that are not available in public plans.

Who is eligible for a CIS plan?

If you work for a company that has a partnership with the mobile provider, you’re likely eligible. You’ll need to verify your employment using a corporate email or staff ID during sign-up.

Is the Circles.life CIS plan contract-free?

Yes. The SIM-only CIS plan from Circles.life has no contract, so you can cancel or modify it anytime.

Can I use a Circles.life CIS code without employer verification?

No. You must verify your eligibility to unlock the CIS promo pricing. This is usually done using your work email address or a verification form.

What is the price of the CIS plan in Singapore?

CIS plans start at S$28 per month for most providers. With Circles.life, the price can drop to S$15 per month after applying the CIS promo.

Is there a phone bundle option with the CIS plan?

Yes, but only with M1. Circles.life currently offers SIM-only plans under its CIS program.

How do I get the Circles.life CIS promo?

You can get the CIS promo code from your company’s HR department or directly from the Circles.life website. Once you enter the code during sign-up and verify your employment, the discount will be applied.

Can I port my number from M1 to Circles.life?

Yes. Circles.life supports number porting and may offer additional perks such as bill waivers when you switch.

Do both plans offer roaming?

Yes. Both M1 and Circles.life offer roaming features. Circles.life allows you to add roaming as an optional add-on, giving you more control.

Which CIS plan offers more data?

Circles.life offers up to 600GB per month with its promo. M1 provides up to 100GB depending on the plan, but the terms may vary depending on whether it’s SIM-only or bundled.