Run a free full auditSummit Financial Services is a financial planner in Derry, NH. The firm specializes in assisting foreign financial institutions with U.S. tax regulations and market compliance. Their specific services include FATCA, QI, and CRS consultancy, U.S. tax filing services, U.S. markets consultancy, and assistance with U.S. brokerage entity establishment. The firm maintains a 5.00 rating.
Founded in 2015 by Wall Street professional Steve Sierszulski, the firm provides a one-stop service for U.S. market compliance and trading needs. The team includes Megan Sierszulski, J.D., LL.M., who serves as the Head of Legal and Compliance Services and brings experience in U.S. securities and tax law. Summit Financial Services supports brokers in locations including Hong Kong, Singapore, Australia, New Zealand, and the United States. Beyond tax compliance, the firm offers expertise in securities compliance and U.S. custodial broker communications.
The business is located on Nashua Road, near the Alan Bartlett Shepard Junior Highway and a short distance from Residential Park.
Summit Financial Services is recognized for its expertise and commitment to meeting complex tax compliance needs. The firm is known for providing personalized service and deep in-house knowledge to help global institutions navigate the complexities of U.S. tax law and IRS requirements.
With a dedicated approach to regulatory excellence, Summit Financial Services serves as a vital resource for international financial institutions seeking to navigate the U.S. market from Derry.
BizScoreAI scanned the website summitfinancialservices.com on July 22, 2026. Summit Financial Services of Derry has a BizScore of 57 out of 100. The website audit behind the SEO score ran on October 25, 2026.
AI visibility scan by category: AI Discovery 10 of 25 points, Structured Data 8 of 25 points, Content Readiness 13 of 30 points, AI Trust Signals 11 of 20 points.
Website audit sub-scores (out of 100): On-Page 70, Technical 85, Performance 83, Content 60.
Strengths: 6 checks passed. AI Crawler Access, AI Content Blocking, Organization Schema, Google Business Profile Link, About/Team Page, XML Sitemap.
Areas to improve: 11 checks. llms.txt (failed), FAQPage Schema (failed), LocalBusiness Schema (failed), Third-Party Review Links (failed), Meta Description (failed), Speakable Schema (warning), Hyperlocal Targeting (warning), Local Multimedia (warning), Q&A Content (warning), AI-Parseable Headings (warning), Author Signals (warning).
Browse: Businesses in Derry, NH · Financial Planner in New Hampshire · Businesses in New Hampshire
Read by AI engines 6 times in the last 30 days.
Counted from AI crawler and assistant visits to this page, identified by user agent.
See the full AI visibility report for this business