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Sds Accounting Services, accountants, bookkeeping, tax specialists in Markham.
Sds Accounting Services operates as an accounting practice in Markham, Ontario, at 1661 Denison St, offering accounting and bookkeeping-related services to residents and businesses in the area. Like other firms in the "Accountants, bookkeeping, tax specialists" category, this type of practice typically supports individuals and small businesses with the financial paperwork and reporting obligations that come with living and operating in Ontario.
Markham's mix of established neighbourhoods, newer residential developments, and a dense concentration of small and mid-sized businesses means demand for accounting support stays steady throughout the year, not just during tax season. Between personal income tax filing deadlines, HST remittances for local businesses, and the everyday bookkeeping that keeps a company's finances organized, an accounting firm in the community fills a practical, ongoing need.
Markham is home to a large number of small and family-run businesses, from retail shops to professional services, many of which need help staying compliant with provincial and federal tax rules without hiring an in-house finance team. At the same time, many Markham households juggle dual incomes, rental properties, or investment accounts, which adds complexity to annual tax filing. This is the kind of environment where a local accounting firm like Sds Accounting Services can be a convenient option, since being close to home or work often matters when people are choosing who to trust with their financial documents.
Before contacting an accounting firm, most people in Markham want to understand the general scope of what the office may be able to help with, whether the location is easy to reach, and how to get in touch. Below are the kinds of considerations residents and business owners typically weigh.
Sds Accounting Services is located at 1661 Denison St in Markham, which places it within the city's broader business landscape alongside the many commercial and office spaces spread across the municipality. For residents who prefer working with a nearby office rather than mailing documents across the region, having an accounting practice based directly in Markham can simplify drop-offs, in-person meetings, and document exchanges.
Firms categorized under "Accountants, bookkeeping, tax specialists" generally work across a spectrum that can include personal tax preparation, small business bookkeeping, and general tax-related guidance. The exact services offered by Sds Accounting Services should be confirmed directly with the office, but this is the general territory covered by accounting practices operating under this category in Ontario.
For anyone in Markham looking to reach Sds Accounting Services, the listed phone number, 289-205-8889, and the firm's website are the two direct channels available. Calling ahead is generally the most reliable way to confirm availability, ask about the scope of services, and find out what documents to bring for a first conversation.
Accounting and bookkeeping firms in Ontario typically structure their work around a few core pillars: tax preparation, ongoing bookkeeping, and financial organization support for individuals and small businesses.
Tax season in Canada brings a predictable rush of activity for accounting offices, as individuals prepare T1 returns and small business owners work through corporate filings and HST obligations. Firms in this category are generally set up to help clients navigate these deadlines, though the specific range of tax services offered by Sds Accounting Services would need to be confirmed directly with the office.
This kind of ongoing support is a common offering among firms in the "Accountants, bookkeeping, tax specialists" category.
Small business owners in Markham, whether running a retail storefront, a professional service, or a home-based operation, often turn to local accounting firms for help understanding their obligations around payroll, incorporation paperwork, and general financial planning. Having a firm situated within the city can make it easier to build that ongoing working relationship over time.
This combination creates a steady flow of both personal and business accounting needs throughout the region.
Like accounting practices across Ontario, firms in Markham tend to see the heaviest demand in the lead-up to the personal income tax deadline each spring, along with periodic spikes around HST filing periods and corporate year-end deadlines, which vary by business. Outside of these peak windows, bookkeeping and financial organization work tends to continue at a steadier pace throughout the year.
For anyone reaching out to an accounting office for the first time, it generally helps to have a general sense of what's needed: prior tax returns, business financial statements, receipts, or a list of specific questions about a filing situation. Confirming exactly what to bring is best done directly with the office by phone before a visit.
The firm is located at 1661 Denison St in Markham, Ontario.
The office can be reached by phone at 289-205-8889, or through the contact page on its website.
Sds Accounting Services is listed under the "Accountants, bookkeeping, tax specialists" category, which generally covers accounting, bookkeeping, and tax-related services; the exact scope of services should be confirmed directly with the office.
Payment arrangements and accepted methods vary by firm and are best confirmed directly with Sds Accounting Services, as various payment methods may be available depending on the office's setup.
Sds Accounting Services is listed under “Accountants, bookkeeping, tax specialists” of the Canadian business directory, in Markham. Details, products and services on its website. Contact: 289-205-8889.
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Regular gasoline, Toronto East — 176.2 ¢ (market average, week of August 24, 2026)
| Station | Address | Distance |
|---|---|---|
| Canadian Petroleum | 0.9 km | |
| Global | 1.0 km | |
| Esso | 7749 Kennedy Road Markham | 1.2 km |
| Petro-Canada | 1.5 km | |
| Petro-Canada | 5270 Steeles Avenue East | 1.6 km |
Station locations: © OpenStreetMap contributors (ODbL). Prices: Government of Ontario weekly fuel price survey — a market average, not the price at this station.
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