About GGFI Law LLP

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Founded in 1981, GGFI Law LLP is a diversified general practice firm that represents both individuals and companies across many areas of law. Its work runs from adoption, family law and wills to real estate, corporate and charity law, civil litigation and estate administration. Over the decades the firm grew steadily to nineteen lawyers and forty staff, and clients can meet them in Kitchener, New Hamburg or Waterdown.

Karin Maiterth, a partner who heads the estate administration department, had completed five years as managing partner by 2025, the same year that marked two decades with GGFI. Partner Mark Radulescu leads the litigation department.

Several of GGFI's lawyers came up through the firm itself. Robert Lanteigne started there as an articling student, became an associate in 2015 and made partner in 2021, while Carly Bauman and Megan Kish both worked at GGFI as summer and articling students before coming on as associates in 2020 and 2025. Today's students go to arbitrations alongside the firm's barristers and carry their own Small Claims Court and Landlord and Tenant Board files.

History

Ted Giesbrecht started the firm in Kitchener on April 15, 1981, with one lawyer and a single secretary. Warren Griffin joined Giesbrecht's practice after being called to the bar in 1983, and Stephen Funk came aboard in March 1991, when the firm was known as Giesbrecht, Griffin.

Several other practices have also joined the firm. Fred Heimbecker came over in October 2016, ahead of retiring, so every one of Heimbecker's clients would have a smooth transition. The firm of Haney, Haney, and Kendall joined on July 2, 2019, Colleen J. Winn's practice followed on October 3, 2022, and Amy, Appleby, and Brennan came over on January 3, 2023. That Waterloo firm went back to 1977, when Bill Appleby joined David Amy and Peter Brennan to form it, and Amy and Appleby both retired from GGFI effective December 31, 2024.

Giesbrecht retired on December 31, 2023, after forty-three years of practice. The founder's adoption work reached well beyond Canada, to countries including Guatemala, Ukraine, Ethiopia and Haiti.

Practice areas

Business transitions, franchises and professional corporations

GGFI has over 25 years' experience helping business owners plan how to hand off or step away from their companies. Mark Radulescu acts for franchisors, from setting up a franchise system and drafting disclosure documents and agreements to enforcing franchise rights, and Gurminder Singh's corporate work includes medical professionals and other professional corporations.

Title searches, private financing and family transfers

On a purchase, the firm runs a preliminary title search as soon as the agreement of purchase and sale arrives. It deals with secondary financing such as vendor take-back and private mortgages, and handles transfers of title between spouses and relatives, including the paperwork, registration and tax advice. Martin Mahlstedt handles complex commercial real estate deals, commercial financing, leasing and the oversight of land development.

Construction liens for suppliers

GGFI acts for people and companies that supply materials or services to property owners. If a supplier isn't paid, the firm prepares the notices and registrations that go on the owner's title and then takes the matter through court to collect what's owed.

Wills and estate trustee support

Every will at GGFI is drafted after a detailed conversation with the client and shaped to that client's circumstances. For estate trustees, the firm can prepare and file the Certificate of Appointment application to the Ontario Superior Court of Justice, and how much it takes on depends on the help the trustee wants.

Separation, collaborative law and court

Whether it's a simple divorce or a complex support and property dispute, the family team commits to offering a range of options and working in a timely, cost-effective way. Its lawyers have advanced training in Collaborative Family Law and have acted at all levels of court in Ontario. Joseph Irvine practises family law only and has wide experience with collaborative law, mediation and mediation-arbitration, processes that can help keep costs down and preserve a degree of civility.

Our guide: How to Get a Divorce in Ontario

Step-parent and relative adoptions

Adoption is one of GGFI's own practice areas. Karin Maiterth handles step-parent and relative adoptions, and the firm processes step-parent adoptions anywhere in Ontario.

Charity and not-for-profit law

GGFI works with churches, charities and not-for-profits on incorporation, changes to their structure, charitable registration and partnerships with other groups in Canada and abroad. Nigel Haykin's practice focuses in particular on charity and not-for-profit law at the federal and provincial levels, and Warren Griffin has worked with charitable organizations from their formation onward.

Litigation department

Mark Radulescu's litigation covers employment matters for both employers and employees, estate disputes, defamation and franchise litigation, among other areas. In May 2022 the Waterloo Region Record featured Radulescu after a judge awarded damages to a client who'd been defamed online. Jennifer Mohomed-Indarsingh brings experience in estate and power of attorney litigation, employment and contract disputes, and negligence.

Immigration and refugee department

GGFI launched a full-service immigration and refugee law department in April 2024, with clients ranging from individuals and families to small businesses and large corporations. For employers, it helps bring in temporary foreign workers when labour is short, move staff temporarily to a Canadian branch, and get the authorizations needed to start a new business venture.

Good to know

A person using a wheelchairWheelchair accessibleA rainbow pride heartLGBTQ+ friendlyA gold parking sign with a green checkmarkFree parkingA calendar with a checkmark beside a clockBy appointment

How GGFI Law LLP works

At GGFI, service comes first, and building and keeping a relationship of trust with clients is the firm's guiding priority. As a community-minded firm, it looks for lawyers who value service and enjoy forming long-term relationships with clients and the wider community.

Milestones & recognition

  • In the mid-1990s founder Ted Giesbrecht was part of a group of government authorities and lawyers that reviewed and updated Ontario's adoption standards and guidelines.
  • Giesbrecht spent 10 years in a quasi-judicial role, reviewing Children's Aid Society decisions in disputes over where a child would be placed for adoption.
  • In 2016 Giesbrecht received the Coulter A. Osborne Award, which the Waterloo Law Association gives each year to one of its members.
  • The founder also received the Ontario Adoption Award from the Adoption Council of Ontario.
  • In November 2020 the firm's family law team was named Platinum winner in the Best Family Law Firm category of the Waterloo Region Record's Readers Choice Awards 2020.
  • GGFI Law turned 40 in 2021.
  • In 2023 the New Hamburg office placed first in the New Hamburg Independent's Readers' Choice Awards, a yearly vote in which residents pick their favourite local businesses.
  • FCT recognized GGFI as a Top Commercial Law Partner for 2023.

In the community

  • In 2019 the GGFI team gathered 573 pounds of non-perishable food for the Food Bank of Waterloo Region.
  • Its 2022 Thanksgiving drive, run over three weeks, brought in 520 items for the food bank.
  • In December 2022 the firm took part in the Wilmot Family Resource Center's Holiday Hamper Program and was matched with two families.
  • The firm supported St. Mary's Hospital Foundation's Red Day in 2018, and in 2023 its team raised $930.00 for St. Mary's RedDAY.
  • Jennifer Mohomed-Indarsingh volunteers with the Ontario Justice Education Network's Braiding Justice Into Diversity (Waterloo) program, which aims to connect young women from marginalised backgrounds with people working in law.
  • Warren Griffin has taught law to business and accounting students at both Wilfrid Laurier and Waterloo universities.

Affiliations & connections

This firm’s lawyers at a glance

Called to the bar
1983–2022 · median 11 years in practice 7 of 19 lawyers
Law schools
University of Ottawa (2), University of Western Ontario (2), Osgoode Hall Law School, Queen's University, University of Aberdeen, University of Birmingham and 4 more 12 of 19 lawyers
Languages on the roster
German, Spanish

Offices 3

515 Riverbend Drive, Suite 200, Kitchener, ON N2K 3S3

82 Huron Street, Unit B, New Hamburg, ON N3A 1J3

95 Hamilton Street North, Unit 5, Waterdown, ON L0R 2H6

The neighbourhood

The Kitchener office is in Suite 200 at 515 Riverbend Drive. Kitchener sits at the centre of Waterloo Region, about an hour by car from Toronto, and the region is home to the University of Waterloo, Wilfrid Laurier and Conestoga College.

In New Hamburg, the office is at 82 Huron Street, Unit B. Stephen Funk grew up in the New Hamburg area. The village was first called Cassel and took its new name from German settlers in the mid 19th century. Wilmot Township designated the historic core as the New Hamburg Heritage Conservation District in 1992, and the district's Hartman Bridge carries Huron Street over the River Nith to Waterloo Street.

The Waterdown office sits at 95 Hamilton Street North, Unit 5, and Robert Lanteigne divides time between clients there and in Kitchener.

Frequently asked questions

What was GGFI Law's earlier name?
In 2008 the firm practised as Giesbrecht, Griffin, Funk & Irvine.
Can I speak with someone at GGFI Law in German or Spanish?
Yes. Karin Maiterth is fluent in German and can help German clients in their own language if they'd like. Manuela Jimenez Bueno speaks fluent Spanish as well as English.
Can GGFI Law help change my child's name after a step-parent adoption?
Yes. As part of a step-parent adoption, GGFI helps change the adopted child's name and register the new name with the Registrar General of Ontario.
Can GGFI Law's charity practice help our congregation settle a dispute among members?
Member and congregational dispute resolution and mediation are among the services GGFI's charity and not-for-profit practice may offer.
Does GGFI Law's immigration department take refugee claims from start to finish?
Yes. GGFI has extensive experience acting for refugee claimants through the whole process. The department strives to create a safe, accommodating space for people with disabilities, victims of family violence and LGBTQ+ clients.
I was a client of Ted Giesbrecht, who looks after my file now?
GGFI has a succession plan in place so the founder's clients continue to have their legal needs met. When Giesbrecht retired, Jayne Leslie, the founder's assistant of thirty-two years, was set to take those clients' calls and direct each one to the lawyer best suited to the matter.

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This listing was generated by AI from public sources in October 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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