Some of the larger accounting firms do provide some of these services, though not as comprehensively and not on a contingent fee basis. This means you could end up paying more in their fees than you save for your business. Most accountants, however, simply lack the specialized expertise - structural engineering. intellectual property law, etc. - required by the IRS to successfully claim these tax savings. Our work provides the necessary documentation for your accountant to file with the IRS or other taxing authority.