Sept Capital co-builds with early-stage technology founders, working alongside them day to day from the first idea to the first customers and beyond.
The earliest months decide the most. That is where we choose to be, working next to the team rather than reviewing it from a distance.
We join the team and take on real work: product decisions, hiring, early sales, and the choices that sit in between.
We structure each partnership around what the company needs, and we are invested in how it turns out, as owners alongside the founders.
We look for network effects, data advantages, and high switching costs. Marketplaces, which connect two sides of a market, are the clearest example and a core part of our portfolio, though far from the only one.
We stay through launch, through scale, and through the harder stretches between them, and step back when the team no longer needs us.
Every partnership is different. The shape is the same: we work alongside you, on the work itself.
A short conversation about what you are building and where you want a partner.
Together we agree on what gets built and what each side contributes.
We work alongside your team, day to day, on product, hiring, and reaching first customers.
We stay involved as the company scales, and hand over as the team takes it from here.
Each is a place where software and a small, determined team can change how an industry works.
Companies we have built alongside, across seven areas.
On-demand skilled contractors. Property owners post a job, and vetted electricians, plumbers, and carpenters quote it the same day.
How we partnered. Co-built the contractor vetting process and the first-city launch with the founding team.
Same-day hourly staffing for restaurants and hotels.
How we partnered. Worked on pricing and on landing the first hotel partners.
AI that reads, routes, and files the paperwork behind field service jobs.
How we partnered. Built the document-reading pipeline next to the founding engineers.
Embedded payments and invoicing for the software small businesses already use.
How we partnered. Helped shape the first software-platform partnerships.
Scheduling and billing software for independent clinics.
How we partnered. Helped hire the clinical operations team.
Software that helps battery storage operators decide when to charge and when to sell.
How we partnered. Co-developed the pricing model with the founding team.
Production planning for small manufacturers, without the six-figure ERP.
How we partnered. Supported the first pilots with manufacturers.
One shared home for renters to split bills, chores, and maintenance requests.
How we partnered. Worked on onboarding and the first rental communities.
Portfolio companies shown are illustrative.
A small firm, led by its founder.
Sept founded the firm and works directly with every founder it partners with.
We are a small team that works closely with founders. We are looking for two people to join us.
Build alongside founders, inside their products. You will work in early-stage codebases, ship real features, and help partner companies move faster.
Apply by emailHelp us find and evaluate founders and shape the partnerships we enter. You will also support partner companies on the commercial side.
Apply by emailIf you are building an early-stage technology company and want a partner, tell us about it.