Sunthra

Sunthra LLC

Kaustubh Deo’s holding entity for small business ownership, investment, and media. Based in Seattle.

Investing
Sunthra Syndicate

Co-invest alongside Kaustubh in small business acquisition deals on Mainshares.

Writing
Big Deal Small Business

A blog for small business acquirers and operators, with a focus on self-funded search.

Podcast
The Intentional Owner

Co-hosted with Sam Rosati — conversations about life as a small business owner.

Community
Seattle-Area SMB/ETA Community

Join us for a monthly happy hour around the Seattle region to connect with other prospective searchers, active searchers, and SMB owners. We also have an active WhatsApp group! Message Kaustubh on LinkedIn to get added.

Community
Tree Care Owner Peer Groups

Kaustubh facilitates monthly peer groups for owners of tree care companies. A space for support, ideas, accountability, and more for fellow tree care operators. Message Kaustubh on LinkedIn if you’re interested in joining a peer group.

InvestmentActive
Monument Sales & Installation Company Dec 2025

Raised a syndicate deal to invest in a self-funded search deal to acquire & operate a company that sells granite monuments, completes etching & engraving, and provides cemetery installation.

InvestmentActive
Specialty Equipment Distributor May 2025

Invested in a self-funded search deal to acquire & operate a distributor of commercial bakery equipment with large retail clients.

InvestmentActive
Specialty Warranty Provider Jul 2024

Invested in a self-funded search deal to acquire & operate a provider of warranty & insurance products to homeowners with heating oil tanks.

InvestmentActive
Dairy & Water Inspection Lab Oct 2023

Investment in a self-funded searcher to acquire & operate a testing & inspection lab for dairy products and water in California.

InvestmentActive
Specialty Lighting Distributor Oct 2023

Invested in a self-funded search deal to acquire & operate a distributor of LED & other emergency lighting equipment to end markets like fire agencies, ambulance companies, etc.

InvestmentExited
Music School Platform Nov 2019

Invested in an operator-led platform acquiring small music schools nationwide. Platform grew to meaningful size before early investors were recapped by a family office.

InvestmentExited
Farming Inventory Operating Loan Sep 2017

Participated in a loan as part of a larger farm turnaround transaction. Loan was secured by crop inventories and other operating assets.