Updated in December 2025
Top Software Development Companies in California
Budget range
Industry focus
Hourly rates
Company size
List of best software development firms in California
Verified
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California Leaders Board
1
BairesDev
2
Synoptek
3
Simform
4
Folio3
5
Vincit
6
Calibraint
7
Cyber Infrastructure
8
SDLC Corp
9
Light IT Global
10
Diffco
11
Seasia Infotech
12
WeblineIndia
13
ITRex Group
14
EffectiveSoft
15
GroupBWT
1
BairesDev
2
Synoptek
3
Simform
4
Folio3
5
Vincit
6
Calibraint
7
Cyber Infrastructure
8
SDLC Corp
9
Light IT Global
10
Diffco
11
Seasia Infotech
12
WeblineIndia
13
ITRex Group
14
EffectiveSoft
15
GroupBWT
Vendorland Scores & Parameters
| # | Company | Overall score | Category score | Clients & experience | Reviews | Brand recognition | Track record | Geo strategy | Focus % |
|---|---|---|---|---|---|---|---|---|---|
| 1 | BairesDev | 95 | 93 | 20 | 19 | 20 | 20 | 14 | 40 |
| 2 | Synoptek | 92 | 89 | 20 | 20 | 17 | 16 | 15 | 10 |
| 3 | Simform | 91 | 85 | 19 | 19 | 17 | 19 | 14 | 55 |
| 4 | Folio3 | 91 | 79 | 19 | 19 | 19 | 19 | 12 | 25 |
| 5 | Vincit | 89 | 82 | 18 | 18 | 19 | 20 | 12 | 45 |
| 6 | Calibraint | 89 | 77 | 20 | 20 | 15 | 19 | 12 | 10 |
| 7 | Cyber Infrastructure | 88 | 85 | 20 | 19 | 18 | 19 | 11 | 20 |
| 8 | SDLC Corp | 88 | 76 | 20 | 20 | 17 | 19 | 13 | 15 |
| 9 | Light IT Global | 87 | 75 | 19 | 19 | 13 | 18 | 14 | 10 |
| 10 | Diffco | 86 | 71 | 20 | 20 | 13 | 19 | 11 | 30 |
| 11 | Seasia Infotech | 85 | 79 | 19 | 18 | 17 | 20 | 14 | 40 |
| 12 | WeblineIndia | 85 | 74 | 19 | 19 | 14 | 17 | 12 | 25 |
| 13 | ITRex Group | 84 | 73 | 20 | 19 | 16 | 17 | 11 | 10 |
| 14 | EffectiveSoft | 84 | 73 | 19 | 19 | 14 | 18 | 11 | 15 |
| 15 | GroupBWT | 83 | 73 | 20 | 19 | 19 | 19 | 11 | 30 |