October 25, 2026
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Over 40 Years in BusinessISO 27001 compliantPublic sector: GSA contract holder
LA 562-298-5000 · Chicagoland 312-432-5300 · Phoenix 602-733-6807 · Client Support
Over 40 Years in BusinessISO 27001 compliantPublic sector: GSA contract holder
LA 562-298-5000 · Chicagoland 312-432-5300 · Phoenix 602-733-6807 · Client Support
Microsoft 365 migrations, security, Teams and managed support for businesses in Schaumburg, Hoffman Estates, Arlington Heights and Itasca.
Existing client? 24/7 support: 800-HELP-BTI
Tell us about your users, licenses and what is not working. A BTI engineer replies within one business day.
Prefer to talk? Call 312-492-2613. Never send passwords or license keys through this form.
Our Downers Grove team supports Microsoft 365 users across the Northwest Suburbs, remotely and on site, roughly 12 to 25 miles away.
BTI plans, migrates, secures and supports Microsoft 365, Teams and the network your users depend on.
Pick the work you need now and the responsibilities that continue after go live. Each item is itemized in your proposal.
Licensing, domains and admin roles organized.
Moves from Google, on premises or another tenant.
Sites, teams and permissions planned.
Sign in security and conditional access.
Separate backup and recovery testing where needed.
Permissions and sharing reviewed first.
Calling plans and numbers when they fit.
Users, licenses and changes handled with named owners.
Before broader AI and search features go live, we review who can already see which files and fix oversharing, so new tools do not surface information to the wrong people.
We also separate retention from true backup and test recovery for the data that matters most.
See how BTI plans migrations, security and support.
Users, sites, licenses, devices and the Microsoft 365 problems you need solved.
A written scope with licensing, labor and responsibilities listed separately.
A small pilot first, then waves scheduled around your business hours.
Named owners for changes, users and renewals, with help in real time.
Multi-site organizations get one standard for naming, users, permissions and support, while each building keeps the design its layout needs.
Professional firms in Schaumburg need secure file sharing and Teams that just work. Distributors in Elk Grove Village need shared mailboxes, shift users and warehouse devices managed.
Before you sign, compare licensing, migration, security and support as separate line items.
Managed IT, networks and help desk support built for how your industry actually works.
IT for Chicagoland medical groups, behavioral health programs and dental practices.
Healthcare IT services in Chicago →
Managed IT and help desk support for public agencies with lean IT teams.
Government IT services →
Network, device and help desk support for K-12 districts, charter schools and colleges.
School and college IT services →
Warehouse Wi-Fi, ERP uptime and network support across every shift.
Logistics and manufacturing IT services →
Managed IT for CPA, tax, title and mortgage firms.
Managed IT for CPA, title and mortgage firms →
IT support for water utilities and special districts, with office IT kept apart from plant systems.
IT services for water utilities →
Job trailer networks, mobile device support and tenant improvement cabling.
IT support for construction companies →
Practical managed IT for churches, ministries and nonprofit offices.
IT services for nonprofits and churches →
Venue Wi-Fi, point of sale networks and managed IT for parking operators and venues.
Venue and parking IT services →Government & public sector
BTI is a GSA Approved Contractor
GSA contract (all states) for business phone and security systems. CMAS and TESMA for California public agencies only. ISNetworld member contractor.
Governance & assurance
Certifications, attestations & compliance-aligned frameworks
Certifications, attestations, and compliance programs shown may apply to BTI, BTI’s internal governance practices, or BTI’s third-party service providers depending on the specific platform, service, data center, processor, monitoring provider, or vendor used.
BTI Communications Group, LTD. serves Chicago and the surrounding suburbs. Pick your area for local services.
Chicago and Chicagoland businesses.
Western suburb businesses, served from our Downers Grove office.
Schaumburg corridor and Cook County northwest suburb businesses, served from our Downers Grove office.
North Shore and Lake County businesses, served from our Downers Grove office.
Joliet, Bolingbrook, Romeoville and Plainfield businesses on the I-55 corridor, served from our Downers Grove office.
Aurora, Batavia, Geneva and St. Charles businesses along I-88, served from our Downers Grove office.
Hammond, Gary, Merrillville, Portage and Valparaiso businesses, served from our Downers Grove, Illinois office.
Over 40 years of IT, security and communications work. Call 630-343-1322 for security or 312-492-2613 for IT, or book a free consultation.
Get a free consultationYes. BTI plans, migrates and supports Microsoft 365 for Schaumburg, Hoffman Estates and the Northwest Suburbs from our Downers Grove office.
We plan waves and a cutover around your key workflows, with a pilot and a rollback decision to reduce disruption.
No. A co-managed engagement can assign selected work to BTI while your team keeps daily tasks.
Do not assume so. Retention and a separate backup service solve different problems, and we test recovery.
It sees what permissions allow. We review sharing and permissions before enabling it.
Usually, after we confirm portability with your carrier and plan emergency locations.
Yes. BTI is a Microsoft Partner. Compare the proposed scope and responsibilities alongside that.
BTI offers 100% financing for parts, labor and licensing at 3.99% for five years. Project-only, co-managed and fully managed scopes are all available.
Sales inquiries get a reply from a BTI engineer within one business day. Managed support clients reach the team in real time by phone, and client emails get a reply within 15 minutes.
Schaumburg, Arlington Heights, Elgin, Palatine, Hoffman Estates, Elk Grove Village, Des Plaines, Rolling Meadows, Mount Prospect, Wheeling, Buffalo Grove, Itasca and nearby communities, from our Downers Grove office.
1441 Branding Ave, Suite 200, Downers Grove, IL 60515. Call 312-492-2613.
Our Downers Grove office is roughly 12 to 25 miles from most Northwest Suburbs communities. Projects are scheduled at your site or delivered remotely.
Service areas
Bring your inventory, site plans and the problem you want solved. You get a design, an itemized proposal and a clear support scope.