/Investor DB

Mainsail Partners — Full Portfolio

70 tracked investments · listed companies and verified rows first

Brilliant Earthbrilliantearth.comin𝕏NASDAQ: BRLT

Brilliant Earth is an online jewelry retailer focused on sourcing and selling ethically-produced gemstones and precious metals.

ConsumerDirect to ConsumerE-commerceImpact & Social GoodSan Francisco, US

Beth Gerstein(Co-Founder & CEO)inEric Grossberg(Co-Founder)

Co-investorsRunway Growth Capital

Smartmovingsmartmoving.comin𝕏✓ verified

SmartMoving provides software and operational guidance for moving companies, offering sales automation, dispatch management, customer experience tools, and financial management solutions.

Enterprise SoftwareLogistics & Supply ChainSaaSDallas, US

3PL Central3plcentral.com𝕏Apr 2021 · $45M

Extensiv (3plcentral.com) provides a cloud warehouse management system (WMS) for third-party logistics (3PL) providers, with tools for inventory tracking, fulfillment automation, labor analytics, and multi-location network management.

Logistics & Supply ChainSaaSEl Segundo, US

Aaron Stead(Chief Executive Officer)Nancy Rohman(Co-founder and former President of 3PL Central; Board of Directors)

Co-investorsGrowth Street Partners

Apptegaapptega.comin𝕏Apr 2024 · $15M

Provides cybersecurity compliance software that unifies security processes, tracking, and reporting across multiple frameworks.

Atlanta, US

Jacob Ferro(Director)

BoardMike Dowdle(Director)inArmistead Whitney(Executive Officer, Director)in

Co-investorsCircadian VenturesGRA VentureGray Ventures

Aspireaspireapp.comin𝕏Jun 2021 · $200M

Aspire provides an all-in-one finance operating system for businesses, combining tools to pay, manage, and earn across functions typically handled separately by a bank, bookkeeper, or rewards program.

Enterprise SoftwareFintechSaaSSingapore, SG

Andrea Baronchelli(CEO)inGiovanni Casinelli(Founder)inGiacomo Ficari(Founder/Co-CEO)inJoel Leong(Founder)inSG Andrea Baronchelli(Founder/CEO)Stefano Pellegrino(Co-Founder (former Vietnam country head))in

Co-investorsBeacon VCCrane Venture PartnersEximius VenturesHummingbird VenturesInsignia Ventures PartnersLightspeed Venture Partners+28 more

Aspireletsaspire.ininJun 2021 · $200M

Aspire offers short-term personal loans of up to ₹5,00,000 repaid in weekly instalments over a tenure of up to 25 weeks, with reducing-balance interest.

FintechBengaluru, IN

Manoj Kumar Rathi(Co-Founder)inTushar Viswanath Garimalla(Co-Founder)in

Co-investorsPICUS CAPITALUpsparks CapitalCapital-AFasanara CapitalHummingbird VenturesLGT Capital Partners+3 more

Aspireaspire.ioinJun 2021 · $200M

Aspire is an influencer marketing platform that helps brands build communities of ambassadors, influencers, and affiliates to promote products at scale.

Creator EconomyE-commerceMarketing TechSaaSSan Francisco, US

Thomas FrostinEric Lam(Founder)Shuhan Bao(Founder)Suhaas Prasad(Co-founder and Chief Technology Officer)inAnand Kishore(CEO & Co-Founder)

Co-investors515 VenturesAspenwoodCota CapitalPear VCStructural CapitalBattery Ventures+14 more

Boostlingoboostlingo.comin𝕏Aug 2021

Boostlingo is an all-in-one language services platform that combines human interpreters and AI to provide interpreting, translation, and multilingual event support, including video remote interpreting, over-the-phone interpreting, and AI-generated captions.

AI & Machine LearningEnterprise SoftwareSaaS

Bryan Forrester(Co-founder)in

ChiroBillingchirobilling.net

A billing and administrative service for chiropractic practices, handling insurance receivables and office setup to help clinics manage cash flow and reduce overhead.

FintechHealthtech

Chiroecochiroeco.com

Chiropractic Economics is a trade magazine and news resource for doctors of chiropractic, covering practice management, marketing, financial planning, patient relations, clinical research, and wellness.

Media & EntertainmentWellness & Fitness

Chirohdchirohd.comin

Marietta, US

Matt Kibikas(Director)Gabriel Doty(Executive Officer, Director)Jason Helfrich(Director)Luke Doty(Executive Officer, Director)McPherson Moore(Director)

Courtreservecourtreserve.comin

CourtReserve provides a league management platform for pickleball players and organizers, automating registration, scheduling, and results tracking.

B2B MarketplacesEnterprise SoftwarePropTechSaaSSports Tech

Tim Owens(Co-Founder / CEO)in

Extensivextensiv.comin𝕏

Extensiv provides software for omnichannel fulfillment, enabling brands and third-party logistics (3PL) providers to coordinate warehouse operations and order management.

E-commerceEnterprise SoftwareLogistics & Supply ChainSaaS

Co-investorsFJ LabsRunway Growth Capital

Fexafexa.ioin𝕏Jul 2022 · $40M

Fexa provides facilities management software for businesses with multiple locations, enabling teams to oversee properties, staff, operations, and compliance across their portfolio.

AI & Machine LearningEnterprise SoftwarePropTechSaaS

Marc Balzamo(Founder)in

Fieldflofieldflo.comin

FieldFlo is a field service management platform for construction and trades businesses that centralizes scheduling, time tracking, documentation, inventory, safety, and invoicing in a single dashboard.

Construction TechEnterprise SoftwareSaaS

Flight Schedule Proflightschedulepro.comin𝕏Mar 2024

Flight Schedule Pro is a scheduling and management platform for aviation schools and flight training operations.

EdTechEnterprise SoftwareSaaS

Jasen Barnes(Founder)in

FlyntlokinOct 2025 · $36M

Anchorage, US

Sean McLaughlin(Chief Executive Officer, President, Treasurer)inDavid Hoffman(Vice President and Secretary)

BoardSteven Murray(Director)Laura McLaughlin(Director)

Fullbayfullbay.comin𝕏Jul 2024 · $23M

Fullbay is cloud-based management software for heavy-duty truck, trailer, and diesel repair shops, covering repair tracking, labor and clock management, parts inventory, invoicing, and electronic payments.

Logistics & Supply ChainMobility & TransportationSaaS

Trent Brobergin

Co-investorsJMI Equity

Innergyinnergy.comin

INNERGY is a cloud-based ERP software designed specifically for woodworking businesses, built by people with extensive woodworking industry experience.

Advanced ManufacturingEnterprise SoftwareSaaS

Inspect Pointinspectpoint.cominJan 2022 · $28M

Inspect Point provides a software platform designed specifically for fire and life safety contractors to manage inspections, compliance workflows, service delivery, and customer relationships in a single system.

AI & Machine LearningEnterprise SoftwareSaaS

Jennifer Doyle(Founder)in

Instinct ScienceinNov 2022

Veterinary practice management software

Furlong, US

Caleb Solomon Frankel(Executive Officer, Director, Promoter)

Linenmasterlinenmaster.comin

LinenMaster Payments is an electronic payment collection platform that allows businesses to bill customers and receive revenue faster while reducing administrative overhead.

Enterprise SoftwareFintechSaaS

Mirrorwebmirrorweb.comin

MirrorWeb provides digital communications oversight and compliance solutions for regulated industries.

AI & Machine LearningCybersecurityEnterprise SoftwareFintechGovTechLegalTechManchester, GB

Philip Clegg(CTO and co-founder)in

Co-investorsMaven Capital Partners

Ncontractsncontracts.comin𝕏

Ncontracts provides risk management and compliance software for financial organizations, combining AI-powered tools with expertise from former regulators and compliance professionals.

AI & Machine LearningEnterprise SoftwareFintechLegalTech

Michael Berman(Founder)in

Co-investorsGrowth Street PartnersGryphon

Ncourtncourt.com𝕏

Catalis (formerly nCourt) provides government technology and SaaS solutions for courts, tax and property assessment, payments, permitting, and citizen engagement, serving state and local government agencies across North America.

FintechGovTechSaaSAlpharetta, US

Co-investorsGrowth Street Partners

Netchemiapeopleadmin.comin𝕏

PeopleAdmin provides a cloud-based software platform designed to manage institutional processes for higher education institutions, including talent management, academic affairs, and student outcomes analytics.

Cloud ComputingEdTechEnterprise SoftwareHR TechSaaS

Co-investorsGrowth Street Partners

Payleasepaylease.com

PayLease (rebranded to Zego in 2020) provides a property management automation platform for payments, utility management, and resident engagement.

FintechPropTechSaaS

Ty Kalklosch(Founder)inNate Taylorin

Co-investorsFrancisco PartnersGrowth Street Partners

Perahealthperahealth.comin𝕏

PeraHealth offers the Rothman Index, an FDA-cleared AI predictive analytics system that extracts and analyzes clinical measurements from the EMR to detect patient deterioration early and produce an aggregated score of a patient's physiological condition.

AI & Machine LearningDigital HealthHealthtech

Co-investorsKeiretsu Forum

Planhubplanhub.comin

PlanHub is a digital preconstruction platform that connects contractors and streamlines bidding, takeoff, estimation, and project management workflows.

B2B MarketplacesConstruction TechSaaS

Ro Bhatia(Chief Executive Officer)in

Red Oak Sanitationsanitation-services.comin

Red Oak Sanitation is a waste removal and sanitation company providing residential and municipal trash collection services across North Georgia, including Hall, Gwinnett, Forsyth, and Fulton Counties.

Circular EconomyCleantechImpact & Social Good

Lynn Luce(Owner)in

Co-investorsClairvest Group Inc

RentvineinAug 2024 · $74M

Estero, US

David J Borden(Executive Officer, Director, Promoter)inJames C Carter(Executive Officer, Director, Promoter)Jonathan R Ewen(Executive Officer, Director, Promoter)

Resmanmyresman.comin𝕏

ResMan provides software for property management companies to streamline operations, increase net operating income, and support business growth.

Enterprise SoftwarePropTechSaaS

ServicecoreinAug 2019

Lakewood, US

Ori Staub(President and Chief Technology Officer)inJohn Gadeken(President, Chief Operating Officer and Secretary)inJessica Davis(Director)

BoardErick Tonkyn(Director)Elodie Dupuy(Director)in

Co-investorsFull In Partners

Skimmergetskimmer.comin𝕏Oct 2024 · $74M

Skimmer is an all-in-one pool service management platform with web and mobile apps for scheduling technicians, optimizing service routes, billing, customer management, and automated service report emails.

SaaSAustin, US

Peter Freeland(Executive Officer, Director)Shane Skiffington(Director)Roger Kafker(Director)Jack Nelson(Executive Officer, Director)

Sourcescrubsourcescrub.comin𝕏

Sourcescrub provides a data and machine learning platform for investment sourcing and deal flow in private markets, helping dealmakers identify, screen, and prioritize acquisition or investment targets.

AI & Machine LearningData & InfrastructureFintechSaaSSan Francisco, US

TylerPrescott

Co-investorsFrancisco Partners

Steelhead Technologiesgosteelhead.cominDec 2025

Steelhead provides production visibility and management software for manufacturing operations, enabling real-time tracking of parts, profitability, productivity, and quality through operator workboards and granular production data.

Advanced ManufacturingEnterprise SoftwareSaaSCalumet, US

Jeffrey Halonen(Executive Officer, Director)

BoardJustin Moore(Director)inJay Po(Director)Brent Halonen(Director)

Co-investorsInnovius CapitalStage 2 CapitalTIA VenturesC2 VenturesStage Capital

Syncrorunsyncro.comDefunct

Syncro provides software that analyzes internal communications and organizational culture for insights about workplace dynamics and employee engagement.

Enterprise SoftwareHR TechSan Francisco, US

Brian Chan(Founder)

Co-investorsimec.istartY Combinator

Syncrosyncrosecure.comin𝕏

Syncro is a technology platform designed for IT professionals and managed service providers (MSPs) that combines automation, security operations, and AI capabilities to help IT teams bridge the skills gap and improve operational efficiency.

AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSaaS

Michael George(Chief Executive Officer)inKristen Costagliola(Chief Technology Officer)inChad Lindsey(Chief Revenue Officer)inNicole DeBourg-Kahn(Chief People Officer)inCarl Koussan-Price(Chief Marketing Officer)inDee Zepf(Chief Product Officer)in

Zen Plannerzenplanner.comin𝕏

Zen Planner provides all-in-one business management software for fitness studios and gyms, featuring membership management, class scheduling, payment processing, and member communication tools.

Future of WorkHealthtechHR TechSaaSSports TechWellness & Fitness

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Mint Aggregator LPNexus Systems HoldingsBio OptronicsCash Management SolutionsCenterbaseEsecuritelFairwarningFieldroutesForensic LogicFusionGtreasuryInn FlowIps LearningJobnimbusLivM A Com Technology Solutions IpoNexusNexus SystemsNovus BiologicalsPath LogicPlaymaker HealthProfessional HealthcareProshopRed Oak Compliance SolutionsSentryoneServicetitanSteelwedge SoftwareTeamfrontThe Bar MethodTogos

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.