Our Strategy
Grand Harbor Capital (GHC) is a family office investing patient capital in lower middle market businesses and real estate. We don't buy to flip; we buy to build, and we're not afraid to roll up our sleeves. Our portfolio companies get shared corporate infrastructure, growth consulting, and the economies of scale of a larger platform, backed by hands-on operating support when it matters, all while keeping the agility that made them worth investing in.
About Grand Harbor
Don Devito began his career in financial services, private equity, and venture capital. He spent a decade investing in and acquiring early-stage and lower-middle-market companies in consumer services, business services, and software verticals. Don led investment teams that deployed over $150 million of capital across more than twenty transactions. In 2017, Don co-founded Boston Dog Butlers, an end-to-end pet care platform and the first portfolio company of Grand Harbor Capital. Today, Don is a managing partner at Grand Harbor Capital, where he advises on operations, sales, and strategy for the portfolio companies.
Eli Sevigny started his career at a Boston-based middle-market private equity fund sourcing and executing buyouts and add-on acquisitions. He mentored directly under seasoned senior executives with decades of private equity and business management/entrepreneurship experience and led a team which generated hundreds of millions of dollars of enterprise value. While working in PE, Eli and Don founded Boston Dog Butlers, an end-to-end pet care platform with thousands of customers in Boston. In 2019, Eli launched a real estate investment fund where he managed the aggregation of multi-family portfolios throughout New Hampshire, concurrently he began work in consulting firm as a strategy and M&A consultant to large enterprises looking to execute strategic technology investments and acquisitions. Today, Eli is CEO of PYP Holdings and continues to oversee operations, marketing, finance, and strategy for all of Grand Harbor's companies.
Our Portfolio
Express Portable LLC
Since 2001, Express Portable has been South Florida's go-to provider of portable sanitation and site equipment rentals. From portable toilets and luxury restroom trailers to temporary fencing and water systems, Express Portable equips construction sites, special events, stadiums, and disaster relief efforts with reliable, on-time service.
www.expressportable.com
Boston Dog Butlers LLC
Boston Dog Butlers (BDB) is Boston’s fastest growing and only end-to-end pet care platform offering a concierge quality pet care experience across every aspect of our client’s pet’s lives. BDB services thousands of pet owners in and around the city of Boston.
PYP Holdings LLC
PYP Holdings is a holding company for a portfolio of pet safety brands: Purrfect Fence (cat fencing systems), Habitat Haven (custom catios and outdoor enclosures), Dog Proofer (dog fencing solutions), and Waterdog Adventure Gear (dog water safety). Sold through eCommerce and wholesale channels nationwide, PYP's brands are recognized for high-quality, purpose-built products backed by a US-based customer service, sales, and design team supporting pet owners, farms, and pet-oriented businesses through every purchase.
KD Welding & Fabrication LLC
KD Welding & Fabrication is an experienced commercial and residential metal fabrication and professional installation company. With over a decade of experience we proudly service hundreds of customers across Miami-Dade, Broward, and Palm Beach Counties.

