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Meet your local partner
Three carriers, one local contact
We help compare AT&T, Verizon and T-Mobile business wireless options around your needs. Available plans and programs depend on your account, location and provider requirements.
What Sigma handles
Plan changes, new lines, device orders and upgrades, number porting, and account escalations.
You have one local point of contact to help coordinate provider requests.
Compare what matters in Hawaiʻi
Coverage should be confirmed where your team actually works, across islands, job sites, and buildings, not only on a carrier map.
We compare plan fit, device costs, contract terms, and support side by side, and explain the tradeoffs before you commit.
Review before you renew
Many organizations pay for unused lines, outdated plans, or data they never use. A review of a recent bill can identify opportunities to save or simplify.
If your current carrier is the right fit, we help you keep it and clean up the account.
How it works
Share your line count, locations, and a recent bill. We compare options and recommend what fits. We coordinate the change and stay involved through service issues, renewals, and upgrades.
Frequently asked questions
Do you work with AT&T, Verizon, and T-Mobile?
We help compare business wireless options from these carriers. Available plans and purchasing options depend on provider requirements, your account and location.
Is there a fee for your help?
No procurement fee. Standalone consulting is scoped and quoted separately.
Can you help if we stay with our current carrier?
We help review your plan and identify unused lines for your consideration. With your authorization, we can help coordinate change requests with your provider.
Which islands do you serve?
Oʻahu, Maui, Hawaiʻi Island, Kauaʻi, Molokaʻi, and Lānaʻi.
AT&T, Verizon, and T-Mobile are trademarks of their respective owners. Sigma Hawaii is a separate business that helps compare services from multiple carriers.
Get a wireless plan review
Tell us about your plans, devices and priorities. We’ll help you compare relevant provider options.