62/100IFR Score
Ranked #1 because of its Google rating and service focus: 4.8★ from 159 Google reviews, listed on Google as “Telecommunications service provider”.
Best Business Phone System Providers in Crystal Lake, IL (2026)
226 business phone system providers ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Crystal Lake: Boost Mobile, IFR Score 62/100; 4.8★ from 159 Google reviews; open 7 days a week.
- 18
Most-reviewed: Astound | Chicago, 7,964 Google reviews at 4.4★, the most of 226 ranked; ranked #18.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
226 Crystal Lake business phone system providers are ranked here by IFR Score, from nine published factors. 126 open Saturdays and 115 open Sundays, based on posted hours. The median Google rating is 4.8★ across 226 rated IT firms.
Top 10 business phone system providers in Crystal Lake at a glance
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
| Rank | Business | IFR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Boost Mobile | 62 | 4.8★ (159) | Crystal Lake | Sat · Sun · Evenings | Overall |
| 2 | Boost Mobile | 62 | 4.9★ (833) | Chicago, 36 mi away | Sat · Sun · Evenings | — |
| 3 | True North Tek LLC | 61 | 5.0★ (47) | McHenry, 8 mi away | Sat · Sun · Evenings | — |
| 4 | Boost Mobile | 59 | 4.8★ (343) | Rockford, 39 mi away | Sat · Sun · Evenings | — |
| 5 | Boost Mobile | 58 | 4.8★ (153) | Chicago, 41 mi away | Sat · Sun · Evenings | — |
| 6 | D&S Communications Elgin | 57 | 4.7★ (18) | Elgin, 12 mi away | Sat · Sun · Evenings | — |
| 7 | Boost Mobile | 57 | 4.7★ (175) | Cicero, 40 mi away | Sat · Sun · Evenings | — |
| 8 | Total Wireless | 57 | 4.9★ (33) | Elgin, 15 mi away | Sat · Sun · Evenings | — |
| 9 | Hot Telecom Devon Dba Raza.com | 57 | 5.0★ (76) | Chicago, 36 mi away | Sat · Sun · Evenings | — |
| 10 | Boost Mobile | 57 | 4.5★ (100) | Des Plaines, 26 mi away | Sat · Sun · Evenings | — |
The 226 best business phone system providers in Crystal Lake, ranked
Ordered by IFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
Scores below: based on 8 of 9 factors; recency not yet collected. Hatched segments mark factors we don't have yet.
#2 Boost Mobile
Based in Chicago, 36 mi away
62/100IFR ScoreRanked #2 because of its Google rating and service focus: 4.9★ from 833 Google reviews, listed on Google as “Telecommunications service provider”.
Based in McHenry, 8 mi away
61/100IFR ScoreRanked #3 because of its Google rating and service focus: 5.0★ from 47 Google reviews, listed on Google as “Telecommunications contractor”.
#4 Boost Mobile
Based in Rockford, 39 mi away
59/100IFR ScoreRanked #4 because of its Google rating and service focus: 4.8★ from 343 Google reviews, listed on Google as “Telecommunications service provider”.
#5 Boost Mobile
Based in Chicago, 41 mi away
58/100IFR ScoreRanked #5 because of its Google rating and service focus: 4.8★ from 153 Google reviews, listed on Google as “Telecommunications service provider”.
Based in Elgin, 12 mi away
57/100IFR ScoreRanked #6 because of its Google rating and service focus: 4.7★ from 18 Google reviews, listed on Google as “Telecommunications service provider”.
#7 Boost Mobile
Based in Cicero, 40 mi away
57/100IFR ScoreRanked #7 because of its Google rating and service focus: 4.7★ from 175 Google reviews, listed on Google as “Telecommunications service provider”.
Based in Elgin, 15 mi away
57/100IFR ScoreRanked #8 because of its Google rating and service focus: 4.9★ from 33 Google reviews, listed on Google as “Telecommunications service provider”.
Based in Chicago, 36 mi away
57/100IFR ScoreRanked #9 because of its Google rating and service focus: 5.0★ from 76 Google reviews, listed on Google as “Telecommunications service provider”.
#10 Boost Mobile
Based in Des Plaines, 26 mi away
57/100IFR ScoreRanked #10 because of its Google rating and service focus: 4.5★ from 100 Google reviews, listed on Google as “Telecommunications service provider”.
Based in Wheaton, 29 mi away
57/100IFR ScoreRanked #11 because of its Google rating and service focus: 5.0★ from 28 Google reviews, listed on Google as “Telecommunications contractor”.
#12 Total Wireless
Based in Palatine, 17 mi away
57/100IFR ScoreRanked #12 because of its Google rating and service focus: 4.6★ from 42 Google reviews, listed on Google as “Telecommunications service provider”.
#13 Total Wireless
Based in Elgin, 15 mi away
57/100IFR ScoreRanked #13 because of its Google rating and service focus: 4.6★ from 37 Google reviews, listed on Google as “Telecommunications service provider”.
#14 Boost Mobile
Based in Janesville, 47 mi away
57/100IFR ScoreRanked #14 because of its Google rating and service focus: 4.8★ from 154 Google reviews, listed on Google as “Telecommunications service provider”.
Based in Lake Forest, 23 mi away
57/100IFR ScoreRanked #15 because of its Google rating and service focus: 4.8★ from 21 Google reviews, listed on Google as “Telecommunications service provider”.
#16 Arros, LLC
Based in Des Plaines, 27 mi away
57/100IFR ScoreRanked #16 because of its Google rating and service focus: 5.0★ from 39 Google reviews, listed on Google as “Telecommunications service provider”.
#17 Total Wireless
Based in Waukegan, 24 mi away
57/100IFR ScoreRanked #17 because of its Google rating and service focus: 4.8★ from 43 Google reviews, listed on Google as “Telecommunications service provider”.
Based in Albany Park, 41 mi away
56/100IFR ScoreRanked #18 because of its Google rating and review volume: 4.4★ from 7,964 Google reviews, the most in Crystal Lake.
Based in Addison, 25 mi away
56/100IFR ScoreRanked #19 because of its Google rating and service focus: 5.0★ from 26 Google reviews, listed on Google as “Telecommunications service provider”.
#20 Total Wireless
Based in Chicago, 42 mi away
56/100IFR ScoreRanked #20 because of its Google rating and service focus: 4.8★ from 77 Google reviews, listed on Google as “Telecommunications service provider”.
#21 Total Wireless
Based in Rockford, 37 mi away
56/100IFR ScoreRanked #21 because of its Google rating and service focus: 4.9★ from 51 Google reviews, listed on Google as “Telecommunications service provider”.
#22 Total Wireless
Based in Chicago, 39 mi away
56/100IFR ScoreRanked #22 because of its Google rating and service focus: 4.9★ from 50 Google reviews, listed on Google as “Telecommunications service provider”.
Based in Niles, 30 mi away
55/100IFR ScoreRanked #23 because of its Google rating and service focus: 5.0★ from 14 Google reviews, listed on Google as “Telecommunications contractor”.
Based in Chicago, 34 mi away
55/100IFR ScoreRanked #24 because of its Google rating and service focus: 4.9★ from 40 Google reviews, listed on Google as “Telecommunications service provider”.
Based in Wauconda, 9 mi away
55/100IFR ScoreRanked #25 because of its Google rating and service focus: 4.0★ from 4 Google reviews, listed on Google as “Telecommunications contractor”.
Business phone system providers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in IFR Score order; each links to its profile. We publish the top 50 of 226 ranked business phone system providers here; the rest are on their profiles.
| Rank | Business | IFR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Boost Mobile | 55 | 4.4★ (141) | 50 mi |
| 27 | Boost Mobile | 55 | 4.5★ (53) | 37 mi |
| 28 | Total Wireless | 55 | 4.7★ (33) | 34 mi |
| 29 | Total Wireless | 55 | 4.1★ (18) | 18 mi |
| 30 | Boost Mobile | 55 | 4.5★ (49) | 39 mi |
| 31 | Boost Mobile | 54 | 4.3★ (147) | 49 mi |
| 32 | Total Wireless | 54 | 4.4★ (15) | 20 mi |
| 33 | G T Telecomm | 54 | 3.5★ (13) | 23 mi |
| 34 | SAR Technology Group, Inc | 54 | 4.7★ (12) | 34 mi |
| 35 | DMT Unlimited Inc. | 54 | 5.0★ (7) | In Crystal Lake |
| 36 | Total Wireless | 54 | 4.7★ (30) | 39 mi |
| 37 | Total Wireless | 54 | 5.0★ (18) | 34 mi |
| 38 | Total Wireless | 54 | 4.5★ (32) | 39 mi |
| 39 | CTEC Data Solutions LLC | 54 | 4.9★ (30) | 27 mi |
| 40 | Expand Communications LLC | Internet & Phone Services | 54 | 4.9★ (15) | 45 mi |
| 41 | Total Wireless | 54 | 4.5★ (26) | 36 mi |
| 42 | Unitel Voice | 54 | 4.6★ (98) | 33 mi |
| 43 | Boost Mobile | 54 | 4.4★ (27) | 36 mi |
| 44 | Total Wireless | 54 | 5.0★ (20) | 41 mi |
| 45 | Telit IoT Connectivity | 53 | 5.0★ (3) | 23 mi |
| 46 | Boost Mobile | 53 | 4.0★ (89) | 45 mi |
| 47 | Windy City Tower Techs llc | 53 | 5.0★ (5) | 9 mi |
| 48 | Total Wireless | 53 | 4.3★ (24) | 38 mi |
| 49 | Total Wireless | 53 | 4.4★ (18) | 37 mi |
| 50 | Digital Realty Chicago ORD10 | 53 | 4.2★ (14) | 45 mi |
Also serving Crystal Lake
20 more business phone system providers within 50 mi that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 3000 Solutions | In Crystal Lake | |
| 911 Tech Repair - Cell Phone & Computer Repair - Crystal Lake | 4.9★ (814) | In Crystal Lake |
| AK Electronics LLC | 4.4★ (14) | In Crystal Lake |
| Converged Technology Professionals Inc | 3.0★ (2) | In Crystal Lake |
| Cutting Edge Communications | In Crystal Lake | |
| Dual Communications LLC | In Crystal Lake | |
| Fullerton Engineering Consultants LLC | 3.0★ (2) | 16 mi |
| Integrity IT | 5.0★ (14) | In Crystal Lake |
| iTeleco | 5.0★ (2) | 19 mi |
| IV Solutions Group, Inc. | 5.0★ (2) | 19 mi |
| KS Computers | 5.0★ (51) | In Crystal Lake |
| National Telecom Inc | 3.0★ (2) | 17 mi |
| Personal Communications, Inc. | In Crystal Lake | |
| Sky V Satellites Inc | In Crystal Lake | |
| Sterling Network Integration | 5.0★ (1) | In Crystal Lake |
| Telnet Communications Consultants, Inc. | 5.0★ (1) | In Crystal Lake |
| The I.T. Connection, Inc. | 3.4★ (5) | In Crystal Lake |
| Total Wireless | 5.0★ (2) | 13 mi |
| Total Wireless | 3.0★ (2) | 14 mi |
| WavTeK Technology Systems, LLC | 5.0★ (4) | In Crystal Lake |
How we ranked Crystal Lake business phone system providers
We scored 226 Crystal Lake business phone system providers on nine factors, weighted as shown. An IT firm is ranked when its service is confirmed and it has 3 or more Google reviews or a claimed profile. An IT firm with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.
Paid placement never changes a rank or score. Sponsored businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Crystal Lake data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Review volume | 15% | Number of Google reviews, compared with the most-reviewed IT firm on the list | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday and 24/7 support | Measured |
| Service focus | 15% | How clearly the firm does this service (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The firm has claimed its IT Firms Ranked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The firm links to IT Firms Ranked from its own website with our badge, checked periodically | Measured |
| Client reviews | 10% | Verified client reviews collected by IT Firms Ranked: their rating and how many there are | Measured |
How to choose a business phone system provider
- Ask whether the system is cloud-hosted or installed on site, and who maintains it.
- Check internet capacity and backup: a cloud phone system stops when your connection does.
- Ask how 911 locations are registered for each phone and for remote staff.
- Compare per-user prices on the same features (call recording, queues, integrations).
- Ask for two or three references from clients of your size and industry, and call them.
- Get the scope, response times and price in writing before you sign, including how you leave and get your data back.
Questions to ask a business phone system provider
- Is the price per user, and which features are extra?
- Will you port our existing numbers, and how long does it take?
- What happens to calls if our internet connection goes down?
- How are 911 locations set up for office and remote staff?
- Who do we call for support, and during which hours?
- What is the contract length, and are phones bought or leased?
Terms explained
- MSP (managed service provider)
- A firm that runs a business’s IT for a recurring fee: monitoring, patching, help desk, backups and security tools.
- Co-managed IT
- An arrangement where an outside firm supports an in-house IT person or team, sharing tools and tasks.
- Break-fix
- IT support paid per incident or per hour, with no monthly agreement.
- SLA (service-level agreement)
- The contract terms for response and resolution times, uptime and support hours.
- Help desk
- The support line staff call or email for IT problems.
- RMM
- Remote monitoring and management software that lets an IT firm watch, patch and fix computers remotely.
- vCIO
- A virtual chief information officer: part-time IT strategy and budgeting from an outside firm.
- MSSP
- A managed security service provider: a firm that monitors and manages security tools around the clock.
- EDR / MDR
- Endpoint detection and response software, and the managed service of people watching its alerts (managed detection and response).
- MFA
- Multi-factor authentication: a second proof of identity, such as an app prompt, on top of a password.
- Penetration test
- An authorised, simulated attack on your systems to find weaknesses before criminals do.
- SOC 2
- An independent auditor’s report (AICPA standard) on a service provider’s security controls.
Business phone system providers in Crystal Lake: frequently asked questions
Who is the best business phone system provider in Crystal Lake?
By IFR Score, the highest-ranked business phone system provider in Crystal Lake, IL is Boost Mobile with an IFR Score of 62/100. It has 4.8★ from 159 Google reviews. It is open 7 days a week. Boost Mobile (#2) and True North Tek LLC (#3) follow. We ranked 226 business phone system providers on nine factors, last updated November 9, 2026.
How many business phone system providers are there in Crystal Lake?
ITFirmsRanked ranks 226 business phone system providers serving Crystal Lake, IL. 2 of them are based in Crystal Lake; the rest serve it from nearby towns. Another 20 within 50 mi are listed but not ranked yet. Counts are as of November 2026.
Which business phone system providers in Crystal Lake work on weekends?
126 of 226 ranked business phone system providers post Saturday hours and 115 post Sunday hours. The highest-ranked open Saturdays are Boost Mobile (#1), Boost Mobile (#2) and True North Tek LLC (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Crystal Lake business phone system providers have?
The median Google rating among 226 rated business phone system providers in Crystal Lake is 4.8★, with a median of 16 reviews. Astound | Chicago has the most, 7,964 reviews, and ranks #18. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ITFirmsRanked rank business phone system providers?
Each business phone system provider gets a 0–100 IFR Score from nine published factors, led by reputation (25%), review volume (15%), service focus (15%) and recency (10%). An IT firm with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only IT firms with a confirmed service and 3 or more reviews, or a claimed profile, are ranked.
Do business phone system providers outside Crystal Lake count in this ranking?
Yes, if they are within 50 mi of the Crystal Lake city center, our service radius for business phone system providers. Each listing shows where the IT firm is based and how far away it is. Proximity is 5% of the IFR Score, so a nearby IT firm gets a small edge.
Can business phone system providers pay to rank higher on ITFirmsRanked?
No. The IFR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured IT firms may appear above the list, labelled Sponsored and showing their honest rank.
What does a business phone system provider do?
Business phone system providers set up and support office phone systems, mostly cloud VoIP today: numbers, desk phones, call routing, voicemail and contact-centre features.
How are business phone system providers in Crystal Lake ranked?
By IFR Score: Google rating and review volume, recent reviews, opening hours, how clearly the firm does business phone systems and VoIP, distance, a claimed profile, our badge and verified client reviews. Sponsored placements never change the order.
Can we keep our phone numbers if we switch providers?
In most cases yes: numbers can be ported to a new provider in the US and Canada. Keep your current service active until the port is complete, and ask the new provider to manage the port request.
What about 911 calls on a VoIP system?
Each phone needs a registered location so 911 calls go to the right place. In the US, multi-line systems must support direct 911 dialling and send dispatchable location information under federal rules (Kari’s Law and RAY BAUM’S Act). Ask the provider how they set this up.
Update log for Crystal Lake
- November 2026: IFR Scores recalculated for 226 business phone system providers serving Crystal Lake.
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