Updated in December 2025
Top Software Development Companies in Illinois
Budget range
Industry focus
Hourly rates
Company size
List of best software development firms in Illinois
Verified
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Illinois Leaders Board
1
Velvetech LLC
2
Synoptek
3
Simform
4
Atomic Object
5
Red Squirrel Technologies
6
Forte Group
7
CodeClouds
8
TXI
9
HyperSense Software Inc
10
TekRevol
11
Phenomenon Studio
12
Synergy Labs
13
Taction Software
14
NashTech
15
Grape Up
1
Velvetech LLC
2
Synoptek
3
Simform
4
Atomic Object
5
Red Squirrel Technologies
6
Forte Group
7
CodeClouds
8
TXI
9
HyperSense Software Inc
10
TekRevol
11
Phenomenon Studio
12
Synergy Labs
13
Taction Software
14
NashTech
15
Grape Up
Vendorland Scores & Parameters
| # | Company | Overall score | Category score | Clients & experience | Reviews | Brand recognition | Track record | Geo strategy | Focus % |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Velvetech LLC | 93 | 82 | 20 | 20 | 17 | 19 | 12 | 40 |
| 2 | Synoptek | 92 | 89 | 20 | 20 | 17 | 16 | 15 | 10 |
| 3 | Simform | 91 | 85 | 19 | 19 | 17 | 19 | 14 | 55 |
| 4 | Atomic Object | 89 | 78 | 20 | 19 | 20 | 20 | 13 | 45 |
| 5 | Red Squirrel Technologies | 85 | 70 | 20 | 20 | 14 | 20 | 11 | 34 |
| 6 | Forte Group | 76 | 70 | 18 | 19 | 11 | 17 | 11 | 20 |
| 7 | CodeClouds | 71 | 65 | 17 | 18 | 8 | 16 | 11 | 20 |
| 8 | TXI | 71 | 62 | 17 | 19 | 10 | 18 | 12 | 40 |
| 9 | HyperSense Software Inc | 70 | 61 | 19 | 19 | 9 | 16 | 11 | 30 |
| 10 | TekRevol | 69 | 60 | 18 | 19 | 8 | 6 | 20 | 30 |
| 11 | Phenomenon Studio | 67 | 58 | 0 | 20 | 10 | 17 | 20 | 20 |
| 12 | Synergy Labs | 67 | 58 | 0 | 20 | 10 | 17 | 20 | 11 |
| 13 | Taction Software | 66 | 57 | 18 | 17 | 7 | 15 | 11 | 20 |
| 14 | NashTech | 62 | 55 | 0 | 17 | 10 | 17 | 18 | 67 |
| 15 | Grape Up | 61 | 53 | 0 | 20 | 10 | 17 | 14 | 45 |