Run a free full auditJonlyn & Associates CPA is an accounting firm in Wheaton, IL. The firm provides wealth management, accounting, and tax services to individuals and medium-sized corporations. Their specialties include retirement planning, estate planning, investments, insurance, financial reporting, and multi-state income taxes. The firm serves the greater Chicago area, including DuPage, Will, Kane, Cook, Kendall, McHenry, and DeKalb counties, as well as the entire Las Vegas area and clients throughout the United States.
Founded in 1991 by John V. Pezzullo, CPA, the firm has grown into a team of eight professionals, including CPAs, Enrolled Agents, Financial Planners, Investment Advisors, and Bookkeepers. The firm utilizes a strategic approach to help clients pursue goals through customized solutions, such as the Advanced Time Segmentation® strategy, which matches retirement income needs with segmented investments. Their service offerings range from 401K plans and rollovers to QuickBooks assistance, tax returns, and small business consulting. Jonlyn & Associates maintains a formal system of quality control for its tax, accounting, and audit practices and is a member of the Illinois CPA Society, the American Institute of Certified Public Accountants, and the Wheaton Chamber of Commerce.
The business maintains a well-optimized website that search engines read cleanly.
Jonlyn & Associates CPA provides comprehensive wealth management and tax expertise to individuals and businesses in Wheaton and beyond.
BizScoreAI scanned the website jonlyn.com on June 8, 2026. Jonlyn & Associates CPA has a BizScore of 63 out of 100.
AI visibility scan by category: AI Discovery 10 of 25 points, Structured Data 0 of 25 points, Content Readiness 26 of 30 points, AI Trust Signals 14 of 20 points.
Website audit sub-scores (out of 100): On-Page 78, Technical 77, Performance 61, Content 84.
Strengths: 7 checks passed. AI Crawler Access, AI Content Blocking, Q&A Content, AI-Parseable Headings, Meta Description, About/Team Page, XML Sitemap.
Areas to improve: 5 checks. llms.txt (failed), FAQPage Schema (failed), Organization Schema (warning), Speakable Schema (warning), Author Signals (warning).
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