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Mainsail Partners

Medium
Not on record · Website
Growth equityInvestments in bootstrapped companiesFounder-led investmentsB2B softwareAI-enabled companiesVertical market leaders
Last verified
11/3/2026

Firm Overview

At least 59
Portfolio tracked
3
Sectors
0
Regions
11/3/2026
Last verified

Mainsail Partners is a growth equity firm that invests in founder-led, bootstrapped B2B software and AI-enabled companies. The firm focuses on helping vertical market leaders scale through strategic growth and product innovation.

Mainsail Partners is a growth equity firm investing in B2B software and AI-enabled companies. The firm invests in founder-led, bootstrapped companies to help build vertical market leaders. Their team has worked with over 100 software companies and partners with a concentrated portfolio to maximize potential for market leadership.

The firm utilizes a purpose-built Growth and AI Team with experience in product, sales, talent, and AI to support fast-moving software companies. Their approach is collaborative and prioritizes culture and values alignment while providing capital and domain experience to help companies navigate growth opportunities and challenges.

Leadership

Gavin Turner
Managing Partner
C. Jason Payne
Co-Founder & Senior Advisor
Michael Anderson
Partner
Emily Azevedo
Partner
Chris Cassidy
Partner
David Farsai
Partner
Jason Frankel
Partner
Anthony Hayes
Partner
Vinay Kashyap
Partner
Taylor McKinley
Partner
Phil Stern
Partner
William Salisbury
Partner, CFO, CCO
Lynn Atkinson
Chief Operating Officer
Erin Sedloff
Chief Legal Officer
Nick Olsen
Head of AI Innovation
Tollie (Bell) Brown
Principal
KC (Kanoff) Wulff
Principal
Heather Booms
Principal, Finance
Tate Cook
Senior Director, FP&A
Apoorva Polisetty
Talent Director

Portfolio by sector

14 of 59 tracked portfolio companies of Mainsail Partners carry a sector label we can map; shares are of those 14. See the methodology.

Deals on record

2 on record in the index
Add-on

ChiroHD, a Mainsail Partners portfolio company, acquired ChiroBilling

2026-11-03
Source: linkedin.com
Add-on

Skimmer, a Mainsail Partners portfolio company, acquired Pool Builder Geek and Poologics

2026-09-01
Source: linkedin.com

Deals are listed only where a public source names both sides. Submit a correction.

Portfolio on record

Portfolio by sector
  • Unclassified42 of 59
  • Business Services5 of 59
  • B2B Software3 of 59
  • Financial Services3 of 59
  • Consumer2 of 59
  • Education2 of 59
  • Healthcare1 of 59
  • Media1 of 59

59 portfolio companies on record in the index, grouped by sector hub.

Current and exited
Current: 29 of 59Exited: 30 of 59
Portfolio size among all firms

At least 59 companies on record, more than 71% of the 405 firms in the index.

0885 companies (log scale)

Partial portfolio on record.

Portfolio Companies

CompanySectorStatusWebsite
AApptegaNot on recordCurrentNot on record
AAspireNot on recordExitedNot on record
BOBio-OptronicsNot on recordExitedNot on record
BBoostlingoNot on recordCurrentNot on record
BEBrilliant EarthNot on recordCurrentNot on record
CMCash Management SolutionsProvider of Revenue Management ServicesExitedNot on record
CCenterbaseNot on recordCurrentNot on record
CChiroHDNot on recordCurrentNot on record
CCourtReserveNot on recordCurrentNot on record
EeSecuritelWireless Products Insurance ServicesExitedNot on record
EExtensivNot on recordExitedNot on record
FFairWarningNot on recordExitedNot on record
FFexaNot on recordCurrentNot on record
FFieldFloNot on recordCurrentNot on record
FFieldRoutesNot on recordExitedNot on record
FSFlight Schedule ProNot on recordCurrentNot on record
FFlyntlokNot on recordCurrentNot on record
FLForensic LogicNot on recordExitedNot on record
FFullbayNot on recordCurrentNot on record
FFusionIntegrated Geophysical Technology and ServicesExitedNot on record
GGTreasuryNot on recordExitedNot on record
IFInn-FlowNot on recordCurrentNot on record
IinnergyNot on recordCurrentNot on record
IPInspect PointNot on recordCurrentNot on record
ISInstinct ScienceNot on recordCurrentNot on record
ILIPS LearningProvider of Professional Learning SoftwareExitedNot on record
JJobNimbusNot on recordCurrentNot on record
LLinenMasterNot on recordCurrentNot on record
LLIVNot on recordCurrentNot on record
MTMACOM Technology SolutionsSemiconductor TechnologiesExitedNot on record
NNcontractsNot on recordExitedNot on record
NnCourtNot on recordExitedNot on record
NNetchemiaTalent Management Solutions for School DistrictsExitedNot on record
NSNexus SystemsNot on recordExitedNot on record
NBNovus BiologicalseCommerce and Life Sciences CompanyExitedNot on record
PLPath-LogicAnatomic Pathology ServicesExitedNot on record
PPayLeaseNot on recordExitedNot on record
PPeraHealthNot on recordExitedNot on record
PPlanHubNot on recordCurrentNot on record
PHPlayMaker HealthNot on recordExitedNot on record
PHProfessional HealthcarePost-Acute ServicesExitedNot on record
PProShopNot on recordCurrentNot on record
PProvidiNot on recordCurrentNot on record
RORed OakNot on recordCurrentNot on record
RRentvineNot on recordCurrentNot on record
RResManNot on recordExitedNot on record
SSentryOneNot on recordExitedNot on record
SServiceCoreNot on recordCurrentNot on record
SServiceTitanNot on recordExitedNot on record
SSkimmerNot on recordCurrentNot on record
SSmartMovingNot on recordCurrentNot on record
SSourcescrubNot on recordExitedNot on record
STSteelhead TechnologiesNot on recordCurrentNot on record
SSteelwedgeNot on recordExitedNot on record
SSyncroNot on recordCurrentNot on record
TTeamfrontNot on recordCurrentNot on record
BMThe Bar MethodBarre-based Fitness Studio FranchiseExitedNot on record
TSTogo'sValue-oriented Sandwich FranchiseExitedNot on record
ZPZen PlannerNot on recordExitedNot on record

This list is partial. We are reading the full portfolio from Mainsail Partners' own site.

Source: https://mainsailpartners.com/portfolio

Firms that also back Mainsail Partners' companies

Questions about Mainsail Partners

Which sectors does Mainsail Partners invest in?
Mainsail Partners lists B2B software, AI-enabled companies and Vertical market leaders among its focus areas. Of the at least 59 portfolio companies we can classify, the largest groups are Business Services (5), Consumer (2) and Financial Services (2).
How many portfolio companies does Mainsail Partners have?
PE Firm Index lists at least 59 Mainsail Partners portfolio companies as of 2026-11-04. This list is partial: the full portfolio on the firm's own site is still being read.
What deals has Mainsail Partners done recently?
The most recent deal on record here is: ChiroHD, a Mainsail Partners portfolio company, acquired ChiroBilling (2026-11-03). This page lists 2 deals, each with its public source.
Who leads Mainsail Partners?
Public sources name Gavin Turner (Managing Partner), C. Jason Payne (Co-Founder & Senior Advisor) and Michael Anderson (Partner) among Mainsail Partners' leadership.
Which firms are similar to Mainsail Partners?
By overlap in portfolio sectors in this index: Marlin Equity Partners, THL Partners and Astorg.
Sources for this profile, updated 2026-11-04
This profile is based on publicly available information and may be incomplete or outdated. PE Firm Index is not affiliated with Mainsail Partners and does not provide investment advice.

Firms similar to Mainsail Partners

Chosen from this index by overlap in portfolio sectors, then by portfolio size. Not a ranking or a recommendation.