Bookkeeping & Monthly Administration
We keep your day-to-day records accurate and up to date. Invoices, receipts and bank entries are processed on a fixed monthly rhythm.
Cole Bay, Sint Maarten
Accounting Expertise. Business Insight. Confidence.
Accounting and consultancy support for businesses across Sint Maarten.
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Years of Combined Experience
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Services Offered
What we do
Support across the whole financial year
Three of the services our clients rely on most. Everything can be combined into one fixed monthly arrangement.
Tax Preparation & Filing
Profit tax, income tax, turnover tax and wage tax handled correctly and submitted on schedule.
Business Consultancy & Advisory
A sounding board for decisions about growth, pricing, costs and structure — grounded in your actual numbers.
Why choose us
A steady hand behind your numbers
Small enough to know you personally, structured enough to keep everything on time.
Experienced professionals
Chartered Certified Accountants and MBAs who take ownership of their work from start to finish.
Personal attention
We take the time to understand your business and stay accessible throughout the engagement.
Responsive service
Answers when it matters, not weeks later, in language you can act on.
Practical solutions
Advice tailored to your specific situation, not generic templates.
About us
About Cinsai
At Cinsai Accounting & Consultancy, we help businesses stay financially organized, compliant, and informed, providing the accounting expertise and practical business support they need to operate with confidence.
Our team consists of Chartered Certified Accountants and professionals holding Master's degrees in Business Administration (MBA), with more than 25 years of combined experience in accounting, auditing, financial reporting, taxation, and business consultancy.
Having gained professional experience with major accounting firms on the island, we bring strong technical knowledge, professional standards, and practical business experience to every engagement.
We understand that accounting is about more than simply keeping records. Accurate and timely financial information gives business owners a clearer understanding of their business, supports better decision making, and helps them plan for the future. That is why we combine the experience and technical expertise of seasoned accounting professionals with the personal attention and responsiveness of a dedicated firm.
Industries
Industries we serve
Experience across the sectors that shape the Sint Maarten economy.
Hospitality
Healthcare
Real Estate
Retail
Professional Services
Public Sector Organizations
Nonprofit Organizations
Our values
What guides our work
Four principles that shape how we handle every client file.
Integrity
We give honest answers, even when they are not the easiest ones to hear.
Accuracy
Careful checks and clear documentation, so the figures always hold up.
Personal Attention
A small team that knows your business by name, not by file number.
Local Knowledge
Rooted in Sint Maarten, familiar with local rules, deadlines and practice.
Services
Everything your administration needs, in one place
From monthly bookkeeping to annual filings and advisory work. Choose a single service or combine several into one fixed arrangement.
Bookkeeping & Monthly Administration
We keep your day-to-day records accurate and up to date. Invoices, receipts and bank entries are processed on a fixed monthly rhythm.
Month End Closure
We close your books at the end of each month so your figures are final, reconciled, and ready to work with, rather than catching up at year end.
Financial Statements & Annual Accounts
Yearly figures prepared clearly and on time. Suitable for banks, shareholders and official filings.
Tax Preparation & Filing
Profit tax, income tax, turnover tax and wage tax handled correctly and submitted on schedule.
Payroll Administration
Monthly payslips, wage declarations and employee records maintained without the paperwork stress.
Financial Reporting
Clear periodic reports that show how your business is performing, in language you can act on.
Business Consultancy & Advisory
A sounding board for decisions about growth, pricing, costs and structure — grounded in your actual numbers.
Budgeting & Financial Planning
Forward-looking budgets and cash flow forecasts so you can plan with confidence.
In detail
A closer look at each service
Longer placeholder descriptions you can replace with your own wording.
Bookkeeping & Monthly Administration
Placeholder text: your bookkeeping is handled on a clear monthly schedule, so you always know where your business stands. We process purchase and sales invoices, reconcile your bank accounts and flag anything that looks unusual before it becomes a problem. At the end of each month you receive a short overview in plain language, ready to be replaced with your own preferred reporting format.
Month End Closure
We close your books at the end of each month so your figures are final, reconciled, and ready to work with, rather than catching up at year end. Balances are checked, accruals are booked and any open items are followed up while the details are still fresh. You start every new month with numbers you can rely on.
Financial Statements & Annual Accounts
Placeholder text: we prepare your annual accounts from your bookkeeping records and explain the outcome line by line. The result is a complete set of statements you can confidently share with your bank, investors or the relevant authorities. We also point out trends worth watching in the year ahead.
Tax Preparation & Filing
Placeholder text: we take care of profit tax, income tax, turnover tax and wage tax returns from start to finish. Deadlines are tracked for you, and we keep a simple calendar so nothing is submitted late. Where useful, we explain the practical options available to your business before filing.
Payroll Administration
Placeholder text: your payroll is processed each period, including payslips, wage declarations and the supporting employee administration. Changes such as new hires, leavers or adjusted hours are incorporated as soon as you send them through. Everything is documented so your records stay audit-ready.
Financial Reporting
Placeholder text: we turn your bookkeeping into reports you actually read — results, margins, cash position and the comparisons that matter. Reports can be monthly or quarterly, tailored to what you and your stakeholders need to see. We walk you through each one so the numbers lead to decisions.
Business Consultancy & Advisory
Placeholder text: we sit down with you and translate the figures into practical choices. Whether you are considering an expansion, reviewing your pricing or trying to reduce costs, the advice is based on your own data rather than general theory. Sessions can be one-off or on a recurring basis.
Budgeting & Financial Planning
Placeholder text: we build a budget that reflects how your business actually operates, then track how reality compares month by month. Cash flow forecasts help you anticipate quiet periods and plan investments at the right moment. The format is simple enough to use in every management meeting.
Not sure what you need?
Contact us for a free consultation and we will map out the simplest setup for your business.
Our team
Partners
Cinsai is led by two partners who work directly with every client.
Dane
Partner
Ashwini
Partner
Advisory
Tax Consultant
With over twenty five years of experience in Dutch tax legislation and regulations across the Netherlands and the Dutch Caribbean, our tax consultant brings extensive knowledge and practical expertise to complex tax matters. His background includes years of experience in international tax return and advisory practice, providing a strong understanding of the tax considerations that arise within the Kingdom of the Netherlands. Over the course of his career, he has developed a broad professional network across the Netherlands and the Dutch Caribbean. This network, combined with his extensive experience and knowledge of the local business environment, allows him to draw on the right expertise when required and provide clients with practical, well considered tax guidance.
Contact
Let's talk about your administration
Send us a message and we will get back to you, usually within one working day.
Office details
Office
Cole Bay, Sint Maarten
Phone
+1 (721) 550-0077Email
office@cinsai-sx.comOpening hours
Monday – Friday, 9:00AM – 5:00PM
You focus on your business. We take care of the numbers.
Whether you are starting a business, managing a growing company, or looking for a more reliable accounting partner, Cinsai brings the experience, expertise, and commitment to get the job done right.