No. No one can, there are certainly things you can do to get good placement, but no one can truly guarantee any search results. Search companies make those decisions and Google as well as other often make adjustments to the results they show. Many companies, not just yours, are working to get top placement and the results can change due to competition and new content being added to the web.
Monster Development follows all the suggestions from google and other search engines and we work with our clients to create content and products that users will see value in. Good content and simply being better than your competition in your marketing efforts will naturally lead to good placement. Good SEO is about a good technical foundation, good content, and ongoing strategy.