About GSA Law Professional Corporation

GSA Law Professional Corporation is a Mississauga firm that handles immigration, family law, real estate, civil litigation, and wills and estates, along with notary public services. It's led by Simmi Arora, who was called to the Bar of Ontario in 2022 after completing an NCA Certificate of Qualification in 2019. Before moving to Canada in 2016, Arora had already practised law in India for over a decade, starting at the District and Sessions Court of Hoshiarpur in 2008 and later serving as standing counsel to public institutions and government bodies. Arora also holds a license as an advocate with the Bar Council of Punjab and Haryana, India, dating to that same 2008 start.

The firm works out of an office on Watline Avenue in Mississauga, serving individuals, families, and businesses. Its immigration practice covers permanent residence, family sponsorship, citizenship, study and work permit renewals, and appeals, and its lawyers can represent clients in court, unlike immigration consultants. On the real estate and family law sides, the firm handles everything from first home purchases to separation agreements and estate planning. Services are available in English, Hindi, and Punjabi.

Milestones & recognition

  • Simmi Arora was called to the Bar of Ontario in 2022, following an NCA Certificate of Qualification earned in 2019.
  • Arora has been a licensed advocate with the Bar Council of Punjab and Haryana, India, since 2008.
  • Arora holds an LL.B. from Guru Nanak Dev University, Amritsar, along with earlier degrees in computer applications.

Good to know

A person using a wheelchairWheelchair accessible

The neighbourhood

GSA Law's office is on Watline Avenue in Mississauga, in a stretch that mixes mid-rise office buildings with medical space, including a Trillium Health Partners renal care clinic a short walk away on the same street. That mix fits a general practice that sees a steady run of real estate closings, family matters, and immigration filings from people living and working nearby.

The firm offers services in English, Hindi, and Punjabi, reflecting Arora's own background and a client base that draws on the surrounding Mississauga community.

Frequently asked questions

What areas of law does GSA Law handle?
GSA Law handles immigration, family law, real estate, civil litigation, and wills and estates, plus notary public services, from its Mississauga office.
Can GSA Law help me buy or sell a home in Mississauga?
GSA Law acts on residential and commercial purchases, sales, and leases, including title searches, closing documents, and financing paperwork, and it walks first time buyers through offer conditions like financing approval, home inspections, and status certificates.
I'm going through a divorce. Can the firm help with custody and support too?
GSA Law's family law practice covers divorce and separation, custody and access, child and spousal support, property division, and domestic and separation agreements, moving from negotiation and mediation through to litigation if a case needs it.
Does GSA Law handle immigration appeals, not just applications?
GSA Law prepares permanent residence, sponsorship, and citizenship applications and also represents clients in immigration appeals and hearings, including refusal cases and status restoration. Because its lawyers are licensed to appear in court, they can represent clients in ways an immigration consultant cannot.
Can GSA Law prepare my will and power of attorney?
GSA Law drafts wills, powers of attorney, and personal directives, and helps with probate applications and estate administration, including planning around guardianship for minor children and blended family situations.
Does GSA Law offer notary public services, and what can it notarize?
GSA Law provides notary public services for affidavits and statutory declarations, certified true copies, consent letters for travel, real estate and property documents, and oaths and affirmations, following identity verification and in person signing.

Where to find them

25 Watline Avenue, Unit GR03, Mississauga, ON, L4Z 2Z1 · 647-749-8573

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Listing compiled from the firm’s public website in September 2026. Verify licence status in the Law Society of Ontario directory ↗