Houston based IT Consulting Services. Grey Square provides a variety of IT services to help your company get where it wants to go, including VoIP Phone Systems, Enterprise Cloud, Application Management, IT Consulting, Disaster Recovery services, Systems Monitoring and more. When it comes to the technology you need to run your business, it's hard to make sense of all the options. Grey Square does more than just sell technology - we combine IT and small-medium business consulting expertise to develop technology solutions to your real business challenges.