The best way to access big data is to utilize the service of a big data consulting company. As a small business you already have a lot to deal with. You don't have the time and expertise to collect, store, and analyze your own data. You have to focus on growing your business hence, you should rely on the big data consulting companies to assist you with that. These service providers provide a range of services that include analyzing your requirements, collecting, storing, analyzing and providing you the information. Of course they do this for a fee. The fee will be dependent on what level of service you require.

Use the list below to find a big data service providers.

Vendor Description
Apixio Apixio provide real-time insights from large amounts of multi-sourced data in avariety of formats for the healthcare industry.
BlueKai Bluekai helps you to take your data about your customers or potential customers and let you use it to make your business become more inteligent and efficient at interacting with them.  They will work with you to provide the right solutions for your business.  They cover all industries.
Datameer Datemeer is the single application for data integration, analysis and visualization.  They target startups, government organizations and Fortune 500 companies.  
Gnip Their focus is on making sense of the ever-expanding universe of social media data.
HP HP Big Data Consulting can help your organization to:  Set the overall big data strategy to create a roadmap of recommendations and initiatives; Integrate structured and unstructured data to make the most of existing investments; Update infrastructure to facilitate quick search, cataloging and indexing of unstructured data; Focus on how and when certain elements of Hadoop can be used to process data volumes; Improve ability to make intelligent decisions through advanced exploratory analytics.
Kaggle Kaggle Connect is a people-and-tools consulting platform that connects companies to the elite of the Kaggle community. Kaggle works with companies of all sizes to solve pressing business problems by extracting insight from data.
Quid Quid provides software as well as analysts to perform analysis to give you data-driven insights to inform your product development, acquisitons and investment decisions.
Recommind Recommind provides businesses with the ability to analyze captured data and enables them to act intelligently on it.
RetailNext RetailNext gives brick-and-mortar retailers concrete information about what shoppers do inside their stores and how they respond to the decisions these retailers make.  Merchants can use this information to increase sales, cut theft, reduce unnecessary costs, and improve the overall customer experience.
Splunk Splunk Enterprise provide software applications that  collects, monitors, indexes and analyzes machine data whether it's generated by IT systems or infrastructure, sensors in a manufacturing facility, RFID tags on sensitive assets or events from mechanical or security systems.
Teradata Teradata can help you manage this onslaught with big data analytics for structured big data within an integrated relational database.