NSI CAPITALS is an outsourced accounting firm that handles bookkeeping, payroll, and tax return preparation for US CPA firms, EAs, and small businesses. Our 120+ US-focused accounting specialists work inside your QuickBooks, Drake, or ProConnect and deliver review-ready files. Established 2016.
Current books, reconciled accounts, and a clear trail of supporting work.
US, UK, Canada and Dubai engagements. Books maintained to US GAAP or IFRS presentation, with reconciliations and period-end workpapers prepared for CPA, ACCA or CA review.
Recurring payroll inputs, records, and accounting entries coordinated cleanly.
US, UK, Canada and Dubai engagements. Payroll records and journal entries prepared around IRS Form 941 and W-2, HMRC PAYE, CRA T4 and UAE WPS, ready for your filing agent.
Organized source documents and review-ready workpapers for tax season.
US, UK, Canada and Dubai engagements. Workpapers organized for IRS Forms 1040, 1120 and 1065, HMRC Self Assessment, CRA T1/T2 and UAE Corporate Tax, for your licensed preparer to review and sign.
Consistent reports that make each period easier to understand.
US, UK, Canada and Dubai engagements. Monthly and year-end statements presented under US GAAP or IFRS, formatted for CPA, ACCA and ICAEW review.
Experienced financial guidance without another full internal layer.
US, UK, Canada and Dubai engagements. Close oversight and audit-ready schedules held to US GAAP and IFRS discipline, working alongside your CPA, ACCA or CA advisors.
Our 120+ US-focused accounting specialists bring years of hands-on experience with US GAAP, IRS requirements and state compliance. They are part of a wider team of 250+ professionals serving firms across 5 global markets.
We combine cutting-edge cloud-based technology with personalized service to deliver accurate, timely financial solutions tailored to US tax regulations. Your success is our priority, and we are committed to making financial management effortless while keeping you compliant with federal and state requirements.
We are a team of US-focused accounting professionals specializing in seamless outsourcing solutions. From bookkeeping and payroll to tax preparation support and IRS correspondence support for your CPA or EA, we handle your finances with precision and care, working to GAAP and US tax codes.
Our Process
We keep every engagement clear, organized, and easy to follow, from the first inquiry to booked meetings, active work, and final completion.
Send your initial requirement and business need.
Choose a suitable time to discuss the scope.
Align on workflow, expectations, and support needs.
Our team begins structured accounting support.
Work is completed, shared, and ready for review.
At NSI CAPITALS, we go beyond traditional outsourcing. We become an extension of your business, helping you streamline operations, improve productivity, control costs, and create the capacity needed for sustainable growth.
Create More Capacity. Serve More Clients. Grow Faster.
Turn Complex Workflows Into Structured, Efficient Operations.
Reduce Operational Costs Without Compromising Quality.
Stronger Operations. Happier Clients. Long Term Relationships.
A connected team supporting accurate work, dependable delivery, and clearer financial decisions.
NSI insights
Perspectives on accounting operations, reporting, and building a more dependable finance rhythm.
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Read insightCommon questions about outsourced accounting, bookkeeping, and tax services
We provide comprehensive outsourced accounting and bookkeeping services, including daily bookkeeping, accounts payable and receivable management, bank and credit card reconciliations, monthly financial reporting, payroll processing, tax preparation support (your licensed preparer reviews, signs and files), and strategic financial advisory tailored to your business needs.
Our experienced bookkeepers integrate seamlessly into your business operations. We access your financial systems securely, record transactions daily, reconcile accounts monthly to ensure accuracy, and provide detailed financial reports while you maintain full visibility and control.
Outsourcing your accounting can significantly reduce overhead costs compared to hiring in-house staff, provides access to experienced accounting professionals and modern financial technology, ensures high precision and tax compliance, and frees your team to focus on core business growth.
We protect your financial information with bank-level encryption, multi-factor authentication, secure cloud platforms, and strict confidentiality protocols including mandatory non-disclosure agreements (NDAs) for all team members.
We handle all aspects of tax preparation, including federal and state income tax returns, quarterly estimated tax calculations, sales tax filing, payroll tax processing, tax planning and strategy to minimize liabilities, and IRS correspondence support for your CPA or EA.
Start the conversation
Thirty minutes with an accountant, not a salesperson. You’ll leave knowing what we’d take on, how it would run alongside your team, and what it costs.
What happens next
Your software, your volumes, and where the month-end actually breaks down.
A written scope: what we handle, who does it, and the turnaround you can expect.
Agree scope and timing, then we onboard alongside your existing process.
