Marketplace›Massachusetts›Hyannis
Tax preparation service · Great Island International
Dionysios Yannatos of Great Island International in Hyannis, Massachusetts is listed as a CPA in the IRS federal preparer directory, with tax preparation on record as a practice area. As of March 30, 2026, the Google Business listing for Great Island International showed a 1.0-star rating from 1 review.
Great Island International does not participate in TaxScout — requests sent through TaxScout do not reach it. Details above come from public IRS and business records.
306 South St, Hyannis, MA 02601
Form 1040 + state, standard deduction
$170Form 1040 + state, itemized
$274Add Schedule C (self-employed)
+$122Partnership return (Form 1065)
$580S corporation return (Form 1120-S)
$1,254C corporation return (Form 1120)
$1,405Average fees reported by Massachusetts practitioners in the National Society of Accountants 2020-2021 Income and Fees Survey, State Averages (published 2020). Survey averages, not adjusted for inflation. They are not Dionysios Yannatos's prices; this practice has not published its rates. New England averages for the same two 1040 returns: $229 and $285. Source
Dionysios Yannatos, CPA operates from 306 South St, Hyannis, MA 02601 in Hyannis, Massachusetts. TaxScout has not independently verified a Massachusetts Board of Public Accountancy licence for this practice.
On Google Business Profile, the firm is categorized as a tax preparation service.
Free · a report by email in minutes · no account
Upload one document, get a report
Not tax advice. No account, no phone number asked.