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Accounting Firm

3IS Inc

Accounting, tax and advisory practice offering in-person and online service through a secure client portal

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About 3IS Inc

3IS Inc is an accounting practice that handles bookkeeping, tax returns and financial advice for businesses and individuals. Beyond preparing the numbers, the firm reviews a client's position and recommends practical steps to improve it, then helps put those steps in place.

Services

  • Accounting: paperless bookkeeping and accounts with the aim of keeping records tidy.
  • Tax preparation: returns for clients, plus guidance on recent rule changes that affect a business.
  • Advisory: recommendations on improving financial position, with support to act on them.
  • Tax return review: checks earlier returns for missed credits and mistakes, at no charge.
  • Client portal: a secure online area to message an adviser, exchange documents and settle invoices.

Customers and markets

Clients can work with the firm in person at its offices, through the portal, or by phone, email or post. The firm states it does not add hidden charges.

Profile written by TrustList from the business's own published information, Sep 2026.

Categories & features

Rankings

As of 2026-10-06. Organic ranks only; sponsored placements are never ranks.

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