Supplement your in-house Team with outsourced Sharepoint Experts. You can bring-in Sharepoint Specialists to support your in-house team. There is a large pool of skilled Sharepoint resources available. Find a firm that is Microsoft Gold Certified and has ample great references. A good will will be able to provide resources as per your precise skill-set & seniority requirements, who can augment your in-house team for a short, medium or long term as required.
Many of the firms will also provide support as-needed, including after hours for Sharepoint Emergency Support.
You could also choose to outsource complete Sharepoint Development on a turnkey basis. In this model, you can outsource the complete development of your Sharepoint application or product, and the Sharepoint Consulting Firm takes-up the complete responsibility of project planning, execution, deployment as well as support. Ensure that all work is done on pre-agreed timelines and budgets, and frequent milestone releases are done to provide transparency.
