Based on the tabulated analysis of each company's services and solutions, as an IT manager, I would have recommended Accenture

Company	IT consulting services offered
Accenture	Drives growth of business or any company by combining industry and business insights with innovative technology. They power the future through the use of new Information Technology (Gregory, 2015). It consists one of the largest and diverse groups of strategy, digital, consulting, technology, digital and operations experts globally through their Accenture Global Delivery Network (Gregory, 2015). It also provides its clients with the up to 400,000 skilled employees with the right set of tools as well as information to impact high performance with their operations and processes. Works and runs on Microsoft to boost for availability of applications with cloud migration as well as automation in application development and testing (Gregory, 2015). In terms of cloud technology, it works along with SAP HANA and Oracle technology towards providing security strategies to companies (Gregory, 2015). Also works with Salesforce in offering a range of business solutions By minimizing disruption to the business, the migration services migrates to a standard base environment. Remediation services makes easier to maintain and part of a highly scalable framework, by enhancing application functionality. Moving applications to newer, less expensive and more efficient technology platforms by re platform sevices.
McKinsey	This is a global management consulting firm. It serves a diverse and wide range of services across all institutions through helping their clients in making lasting as well as significant improvements in performance through its range of consulting services (Bloch, Blumberg & Laartz, 2012). They have wide and diverse consultants ready to handle and bring solutions within firms. There consultants range from engineers to security and data scientists (Bloch, Blumberg & Laartz, 2012). They offer solutions that combine strategic insight, data, domain expertise and technology (Bloch, Blumberg & Laartz, 2012). Applying Lean management in service industry to transform client organization by refining a company system. Tools like deep proprietary external benchmark and the measurement of internal efficiency and effectiveness capabilities can optimize organization overhead function such as finance, accounting and human resources.
KPMG	Offers a wide range of IT services consultancy (Tomic & Belgrade, K. P. M. G., 2012). Management of IT risks and compliance Forensic and IT security services Management and risk consultancy Internal firm audit risk as well as compliance services (Tomic & Belgrade, K. P. M. G., 2012). Last,  but not least cyber security services.
PricewaterhouseCoopers	This is an audit and consultancy firm and one of the largest firms globally (Pricewaterhousecoopers, L. L. P., 2013). Offers general IT and business solutions Data and analytics as well as Digital solutions (Pricewaterhousecoopers, L. L. P., 2013). Human resources services which includes pension, life insurance, non life insurance, health and investments. Advisory services offered include actuarial and insurance management solutions.

Conclusion

            Based on the tabulated analysis of each company's services and solutions, as an IT manager, I would have recommended Accenture. This is due to the many solutions and research it puts into integrating business and technology. It has a wide range of services and mostly driven towards offering data and information security as well as business solutions.