Business Details
50+ Years
experience
Trusted Accounting & Tax Services in Northbrook
ECS Financial Services has been a trusted partner in the accounting and financial services industry since 1962. Our firm combines over six decades of experience with a client-centric approach to deliver comprehensive solutions for businesses and individuals. Specializing in equipment leasing, tax compliance, and portfolio management, we provide expertise that spans sales and use tax compliance, personal property tax filings, and multi-state income tax preparation. Our team of Certified Public Accountants (CPAs) and Certified Leasing and Financing Professionals (CLFPs) brings technical proficiency and industry knowledge to every client engagement.We leverage state-of-the-art technology to enhance efficiency while maintaining the personalized service of a small firm. With a global client base and headquarters in Northbrook, Illinois, we serve businesses worldwide through customized accounting, tax, and consulting services. Our commitment to excellence extends to IT support through our affiliate Liventus, ensuring clients receive holistic solutions for financial and technological challenges. Through decades of growth, we have maintained our founding mission to provide world-class services with the attention and care of a boutique firm.
Services
Lease Portfolio Management
Tax Compliance
Accounting Services
IT Consulting
Personal Property Tax Compliance
Multi-State Sales Tax
Employee Benefit Plan Audits
QuickBooks Consulting
Network Management
Recruiting Services
Details
- Year established: 1962
Highlights and features
- We combine 60+ years of accounting and leasing expertise with personalized service.
- Our team of CPAs and CLFPs specializes in complex tax compliance and portfolio management.
- We provide technology-driven solutions through our affiliate Liventus for integrated IT support.
- Our client-focused approach ensures tailored services for businesses of all sizes.
- We serve clients worldwide while maintaining local, responsive support from Northbrook, IL.
Associations and certifications
- Certified Public Accountants (CPA)
- Certified Leasing and Financing Professionals (CLFP)
What people say
Tremendous valued resource
Professionalism Midwest work ethics
Invaluable business growth
Strategic financial expertise
Timely responses work quality
Services
Lease Portfolio Management
Our Lease Portfolio Management services provide customized solutions for equipment leasing businesses. With 35+ years of industry expertise, we handle accounting, tax compliance, and administrative tasks while leveraging technology to reduce costs and improve efficiency. Clients benefit from dedicated teams of CPAs and CLFPs who ensure accurate reporting and strategic guidance for optimizing lease portfolios.
Multi-State Tax Compliance
We specialize in navigating complex multi-state sales and use tax regulations. Our CPAs manage business registrations, return filings, and tax rate research across jurisdictions. Clients receive proactive compliance solutions to minimize audit risks and reduce administrative burdens through personalized service and industry-specific expertise developed over six decades.
Accounting Services
Our full-service accounting solutions include peer reviews, QuickBooks consulting, and employee benefit plan audits. With CPAs and CLFPs handling bookkeeping, tax depreciation tracking, and month-end reporting, clients gain financial clarity while focusing on core operations. We combine technical proficiency with personalized attention for businesses globally.
IT Consulting
Through our affiliate Liventus, we offer IT consulting services including network management, cybersecurity, and system optimization. Our team of specialists provides hardware/software support, cloud solutions, and business process automation to enhance operational efficiency while protecting critical data infrastructure for financial institutions.
Personal Property Tax Compliance
We manage personal property tax compliance with experienced professionals ensuring accurate filings and timely payments. Our services include jurisdiction research, penalty reduction strategies, and comprehensive reporting that minimizes overhead while maintaining compliance standards developed through decades of specialized accounting practice across multiple states.
People
Sam Oliva
CEO / Shareholder
Sam Oliva brings leadership expertise to ECS Financial Services, driving strategic growth while maintaining our commitment to client-focused accounting solutions. With deep industry knowledge, he ensures our teams deliver innovative financial services.
Tobey Wilson
Shareholder
Tobey Wilson contributes extensive accounting experience to ECS Financial Services. As a shareholder, he focuses on expanding our service offerings while maintaining the technical excellence that has defined our firm for over six decades.
Kim Siegel
Shareholder
Kim Siegel combines CPAs credentials with strategic vision at ECS Financial Services. Her leadership emphasizes technological innovation in accounting practices while preserving the personalized service that distinguishes our firm.
Jodi Hoskins
Shareholder
Jodi Hoskins contributes specialized expertise in financial consulting to ECS Financial Services. As a shareholder, she focuses on developing customized solutions that address evolving industry challenges for our leasing clients.
John Hasmonek
Principal
John Hasmonek provides technical leadership for ECS Financial Services, specializing in complex accounting issues. His expertise ensures our teams deliver accurate, compliant solutions while maintaining the highest professional standards.
Questions
What accounting services do you offer?
We provide lease portfolio management, multi-state tax compliance, personal property tax filings, QuickBooks consulting, employee benefit plan audits, and IT consulting through our affiliate Liventus.
How experienced are your CPAs?
Our team includes CPAs and CLFPs with over 60 years combined experience, offering specialized expertise in equipment leasing, tax compliance, and financial consulting services.
Do you help with multi-state tax compliance?
Yes, we manage multi-state sales and use tax compliance including business registration, return filings, rate research, and communication with tax authorities across jurisdictions.
How can you help with IT issues?
Through affiliate Liventus, we offer IT consulting services including network management, cybersecurity, system optimization, and business process automation for financial institutions.
What areas do you serve?
While headquartered in Northbrook, Illinois, we serve clients worldwide with customized accounting, tax, and consulting services tailored to their specific needs.
What makes you different from other firms?
We combine decades of leasing industry expertise with technology-driven solutions, offering personalized service and certified professionals while maintaining global client reach.
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