Should your startup opt for SAFEs or convertible notes on your next funding round? This Houston expert weighs in. Photo via Getty Images

As both a founder and occasional early-stage investor in the Houston ecosystem, I've seen firsthand the opportunities and challenges surrounding seed funding for local startups. This critical first fundraising round sets the trajectory, but navigating the landscape can be tricky, especially for first time founders who may not be familiar with the lingo.

One key dynamic is choosing the right deal structure — SAFEs (Simple Agreement for Future Equity) vs. convertible notes are the most common vehicles early stage startups use to raise capital and are far more founder-friendly than a priced round.

Let's start first with what the have in common:

  • Both allow you to defer setting a valuation for your company until a later (likely priced) round, which is useful in early stages or pre-revenue companies
  • Both are cheaper and faster to execute than a priced round, which cash-strapped early stage founders like
  • Both can have terms like valuation cap, discount, conversion event, and pro rata rights.
  • Both are less attractive to investors seeking immediate equity (especially important if starting the QSBS clock is part of your investors strategy or if the investor is newer to startup investing)
  • Both can create messy cap tables and the potential for a lot of dilution for the founders (and investors) if they are used for multiple raises (especially with different terms)

While as you can see they have similarities, they have some important differences. Let's dig in on these next:

SAFEs:

  • Created by Y Combinator in 2013, the intent was to create a simplified, founder friendly agreement as an alternative to the convertible note
  • Is an agreement for future equity for the investor at a conversion event (priced round or liquidation event) which converts automatically.
  • It's not a debt instrument and does not accrue interest or have a maturity date.
  • Generally have much lower upfront legal costs and faster to execute

Convertible Notes:

  • A debt agreement that converts to equity at a later date (or conversion event like a priced round)
  • Accrues interest (usually 2 to 8 percent) and has a maturity date by which the note must either be repaid or convert to equity. If you reach your maturity date before raising a qualifying round, you can often renegotiate to extend the maturity date or convert the note, though be prepared to agree to higher interest rates, additional warrants, or more favorable conversion terms.
  • More complex and take longer to finalize due to non-standard terms resulting in higher legal and administrative costs

It's worth reiterating that in both cases, raising multiple rounds can lead to headaches in the form of complex cap tables, lots of dilution, and higher legal expenses to determine conversion terms. If your rounds have different terms on discounts and valuation caps (likely) it can cause confusion around equity and cap table structure, and leave you (the founder) not sure how much equity you will have until the conversion occurs.

In my last startup, our legal counsel — one of the big dogs in this space for what it's worth — strongly advised us to only do one SAFE round to prevent this.

Why do some investors tend to prefer convertible notes?

There are a few reasons why some investors, particularly angel investors from developing startup ecosystems (like Houston), prefer convertible notes to SAFEs.

  • Because they are structured as debt, note holders have a higher priority than equity investors in recovering their investment if the company fails or is liquidated. This means they would get paid after other creditors (like loans or credit cards) but before equity investors, increasing the likelihood of getting some of their money back.
  • The interest terms protect investors if the founder takes a long time to raise a priced funding round. As time passes, interest accumulates, increasing the investor's potential return. This usually results in the investor receiving a larger equity stake when the note converts. However, if the investor chooses to call in the note instead, the accrued interest would increase the amount of money owed, similar to a traditional loan
  • More defined conversion triggers (including a maturity date) gives investors more control and transparency on when and how their investment will convert.
  • Can negotiate more favorable terms than the standard SAFE agreement, including having both a valuation cap and a discount (uncommon on a SAFE, which usually only has one or the other), interest rates, and amendment clauses to protect them from term revisions on earlier investors by future investors (called a cram-down), etc.
We'll go over what the various terms in these agreements are and what to look out for in a future article

How to choose:

  • Consider your startup's stage and valuation certainty — really uncertain or super early? Either of these instruments are preferable to a priced round as you can defer the valuation discussion
  • Assess investor preferences in your network — often the deciding factor if you don't have a lot of leverage; most local angels prefer c-notes because they see them as less risky though SAFEs are becoming more common with investors in tech hubs like Silicon Valley
  • Evaluate your timeline and budget for legal costs — as I mentioned, SAFEs are way less expensive to execute (though still be prepared to spend some cash).
  • Align the vehicle with your specific goals and growth trajectory

There's no one-size-fits-all solution, so it's crucial to weigh these factors carefully.

The meanings of these round terms like "seed" are flexible, and the average seed funding amount has increased significantly over the past decade, reaching $3.5 million as of January 2024. This trend underscores the importance of choosing the right funding vehicle and approach.

Looking ahead, I'm bullish on Houston's growing startup ecosystem flourishing further. Expect more capital formation from recycled wins, especially once recently minted unicorns like High Radius, Cart.com, Solugen, and Axiom Space exit and infuse the ecosystem with fresh and hungry angels, new platforms beyond traditional venture models, and evolving founder demographics bringing fresh perspectives.

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Adrianne Stone is the principal product manager at Big Cartel and the founder of Bayou City Startups, a monthly happy hour organizer. This article original ran on LinkedIn.

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10+ can't-miss Houston business and innovation events for September

where to be

The energy transition and AI will be the talk of this town this month, thanks to a packed calendar of Houston events. September brings the return of Houston Energy and Climate Startup Week and some of its signature anchor events, plus AI conferences and talks exploring how the technology is impacting everything from healthcare to leadership. Here’s what not to miss and how to register. Please note: this article may be updated to add more events.


Sept. 3 — Entrepreneurship Roundtable with Open

Open Houston and the Ion present this roundtable event to bring together founders, builders, and innovators at various stages of venture development. This month's session will feature Faisal Bhutto, president and CEO of Houston-based AI and tech consulting firm Alykas.

This event is Thursday, Sept. 3, from 10-11:30 a.m. at the Ion. An optional lunch ticket is available for purchase. Register here.

Sept. 3 — AI Operator Spotlight: Houston’s Top AI Leaders Open Their Playbooks

The Houston AI Club, Allenix, the Ion District and Collide are bringing together industry leaders to share their expertise and first-hand experiences building AI companies. The event will feature a panel with Chuck Yates, co-founder of Collide, and Charles Jessup, senior manager of AI fluency at Raytheon, plus an open networking session.

This event is Thursday, Sept. 3, from 5:30-8 p.m. at the Ion. Register here.

Sept. 8 — The Technology Leadership Advantage Series – For CEOs, VCs and PE Firms

Ram Prasad, CEO of Houston-based IT consulting firm Delence, will explore the role of leadership in turning AI investments into business value during the latest installment of this series at the Ion. The event will explore why AI strategies often fail before the technology does and how companies should approach AI ownership, governance, investment and accountability.

This event is Tuesday, Sept. 8, from noon-1 p.m. at the Ion. Register here.

Sept. 14–18 — Houston Energy and Climate Startup Week

Houston Energy and Climate Startup Week returns for its third year, with panels, happy hours and pitch days focused on the energy transition. See the schedule of events here. The week will begin with a kickoff block party and open house at the Ion.

This event starts Monday, Sept. 14. The Ion District will host many of the week's events. Find more information here.

Sept. 15 — Meet the Activate Houston Cohort 2026 Fellows

Meet Activate's latest cohort, which was named this summer, and learn more about their hardtech and climate-focused solutions. Also meet founders from the organization’s 2025 cohort during Houston Energy and Climate Startup Week.

This event is Tuesday, Sept. 15, from 5-7 p.m. at the Ion. Register here.

Sept. 15 – Cypher Pilotathon and Startup Showcase

Grab coffee and take in keynotes and panels featuring leaders from Amperon, Aramco Ventures, New Climate Ventures, Syzygy Plasmonics and many others during this signature event, this year under the theme “The NEW Energy Industrial Revolution.” After lunch, hear pitches from 31 ventures during the Pilotathon. This year's event will also feature a startup showcase with interactive booths where attendees can meet founders and see demonstrations, plus an industry hub where corporates and investors can engage with emerging technologies and identify the pilots they want to move forward with.

This event is Tuesday, Sept. 15, from 9 a.m.-5 p.m. at POST Houston. Get tickets here.

Sept. 15-17 — The AI in Health Conference

Rice University's Ken Kennedy Institute will present this future-focused event, aimed at bridging the gap between artificial intelligence and real-world health outcomes. The event will feature panels with leaders from institutions and companies from around the world, plus technical talks, poster presentations and networking receptions.

This event begins Tuesday, Sept. 15 at 8 a.m. at the BRC at Rice University. Register here.

Sept. 16 — Greentown Labs Climatech Summit

Entrepreneurs, investors, corporate leaders, policymakers and philanthropists will head to Houston this month for the annual Greentown Climatetech Summit. Hear from Greentown CEO Georgina Campbell Flatter and keynote speaker Tim Latimer, CEO and co-founder of Houston geothermal unicorn Fervo Energy, plus numerous other engaging panels at the Ion. Then head to Greentown Labs for an open house and startup showcase, where attendees can meet some of the climatech incubators' members, before taking in the startup pitch competition followed by happy hour over at the Continental Club.

This event is Wednesday, Sept. 16, from 8 a.m.–9 p.m. at multiple locations. Register here.

Sept. 18 — Rice Alliance Energy Tech Venture Forum

Hear from clean energy startups from around the world at the 23rd annual Energy Tech Venture Forum. In addition to the pitches, this event will also host keynotes from Sean Maher, chief economist at Phillips 66, and Ira Ehrenpreis, founder and managing partner of DBL Partner. Panels will focus on technologies, infrastructure and commercialization strategies needed to deploy breakthrough innovations at scale. Following the event, the Rice Alliance will also name its annual “Most Promising” startup.

This event is Thursday, Sept. 17, from 7:30 a.m.-5 p.m. at Rice University’s Jones Graduate School of Business. Register here.

Sept. 23 – Houston Methodist Innovation Discussion

Houston Methodist presents its latest Innovation Discussion this month for the Houston health IT community. This month's event will feature Dr. Jordan Dale, chief medical information officer and chief health AI officer at Houston Methodist, and Ginny Torno, executive director of innovation and IT clinical, ancillary and research systems for Houston Methodist. The two will share insights into Houston Methodist’s innovation strategy and approach to scaling new ideas, plus real-world lessons on AI adoption and more.

This event is Wednesday, Sept. 23, from 5:30-7 p.m. at the Ion. Register here.

Sept. 23 — UH Energy Career Fair

Find your next job or team member at UH's energy-focused career fair. The event will feature companies from the fossil fuels, electrical power, nuclear power and renewables industries; plus nonprofits, governmental agencies and startups. And though the event is geared toward business, engineering, technology and science majors, it is open to students of all majors.

This event is Wednesday, Sept. 23, from 11 a.m.-2 p.m. at the UH Student Center. Find more information here.

Sept. 30 — First Principles Tech Talk: From Orbit to the Lunar Surface

Head to the Ion for the first-ever First Principles Tech Talk. This event will feature short talks and moderated discussions geared toward founders, engineers and operators in the commercial space industry. The inaugural event will feature Megan Ortiz and Zach Paugh from Houston-based Axiom Space.

This event is Wednesday, Sept. 30, from 5-7 p.m. at the Ion. Register here.

Momentum is where Houston founders go to break $1 million — apply by Sept. 30

Inside EO

Houston loves a startup story. The harder story, the one that decides whether a company becomes an employer, a brand, and a fixture of the city, is what happens after the start. Most businesses that survive their early years still never cross $1 million in revenue. Fewer than 5 percent ever do. The rest get stuck in the messy middle, somewhere between $250,000 and $1 million, where the owner is still the salesperson, the product, and the back office all at once, and nothing runs without them.

Momentum, the accelerator run by EO Houston, exists for exactly that stage. It is a yearly accelerator for owners and co-founders between $250,000 and $1 million in revenue who are ready to push past seven figures, built around eight months of classes a year and a confidential monthly Forum. Members are invited to go through it for two years: the first pass to build the systems, the second to run them at a higher level, with a new lens and alongside a new cohort.

The next cohort launches in October, with applications open now at eohouston.com/momentum until September 30. Here is the case the chapter makes for joining, point by point.

A curriculum built by operators, not consultants

Momentum's curriculum was built by two operators. Al Danto, an EO Houston founding member who built and exited his own company, is now a Partner at Exit Advisors and a Senior Lecturer in Entrepreneurship at Rice University. He built the curriculum alongside Jacky Fischer, the owner of Houston's 3 Men Movers, who brought a working owner's eye, not an academic one, to how the program is structured. The material covers what actually decides whether a company scales: building systems, hiring and leading a team, and turning an annual vision into 90-day commitments with clear owners.

“Everything in this curriculum got tested inside a real company, either mine or one run by the people who shaped it. If a tool did not survive contact with a real business, it did not make the cut," Danto says.

Momentum is an independent program of EO Houston and requires no university affiliation; faculty and alumni participate as instructors and coaches in their individual capacities. What carries over is the standard: real experience over theory.

EO Houston Momentum classroom A Momentum class in session. Photo courtesy of EO Houston

Entrepreneurs teaching entrepreneurs since 1987

Momentum works because of what sits behind it. The Entrepreneurs' Organization was founded in 1987 on a simple idea: business owners grow fastest alongside peers who have already been where they are going. Today, EO is a global, peer-to-peer network spanning 200+ chapters in over 80 countries, and it runs on a practice called Forum, a small, confidential group of six to 10 fellow owners who meet monthly. Forum members do not give advice. They share experience: what actually happened when they faced the same hire, the same cash crunch, the same decision. Ask EO members anywhere in the world and most will call Forum the single most valuable thing they belong to. Every Momentum member sits in one.

Built for scaling small businesses, not launching startups

Houston's accelerator landscape mostly serves the very early stage: the idea, the pitch deck, the startup swinging for a billion-dollar outcome. Momentum sits in the gap those programs leave behind. It is built for regular companies that are already real, with revenue, payroll, and customers, and an owner who needs help scaling what works into a business that matures. That focus is the point: EO Houston is the place a small business goes to get help growing.

The price is different too. Accelerators usually charge in ownership, a stake in the company in exchange for the program. Momentum takes none. EO Houston is a nonprofit, and the program runs on dues of $3,500 for the year. The outcome the chapter is after is simple: more Houston businesses crossing $1 million, still fully owned by the people who built them.

An on-ramp into Houston's most established founder community

EO Houston counts more than 200 member businesses, every one run by an owner who has already scaled past $1 million, with 75+ chapter events a year. Momentum members plug into that community from day one: the classes, their own Forum, the annual gala, the retreats, the socials. Two years around people who have already done the thing you are trying to do changes what you believe is normal. And when a Momentum member crosses $1 million, the on-ramp becomes a doorway: graduates step into EO Houston membership itself and the global network behind it. The program's full story and curriculum live at eomomentum.com.

Avneesh Oberoi, founder of Oberoi Investments and The DoughCone, walked that path, finishing the program and joining EO Houston in July 2026.

“I truly can say that the experience for the last two years has been life-changing and so memorable… I am also so filled with gratitude to have met so many people open to sharing their experiences and time. It’s made such a difference in how I think, operate, and spend my time and resources," Oberoi says. "I joined with the goal of taking my business I started personally, The DoughCone, and figuring out how to optimize the business and maximize revenue, while navigating a board seat and ownership in a much larger family business on its third generation of ownership… and EO has given me so many tools and experience shares and perspectives I’ve been able to take to both businesses. The growth has been unreal.”

The door swings both ways. EO Houston is opening Momentum to its own members too, owners whose companies average $3 million to $5 million in sales, because the chapter believes the same curriculum and Forum that carry a founder to $1 million keep working well past it.

Sarah Seitz shows how the pieces connect. A former teacher, she founded The Enrichery, a Houston education company offering academic coaching, test prep, and college counseling that has grown to locations across the city. She completed the Goldman Sachs 10,000 Small Businesses program, then joined EO Houston to keep growing. This year, a year after joining, The Enrichery made the Inc. 5000 list of America's fastest-growing private companies. She coached Momentum through its first year, and has since moved from coaching into leadership, helping shape the program's growth from its board.

For owners finishing a program like 10,000 Small Businesses who are not yet at $1 million, Momentum is where the coaching and community continue until they qualify for EO.

Apply by September 30

Momentum's next cohort begins in October 2026, and applications close September 30. The program is for owners and co-founders of Houston businesses doing more than $250,000 a year who are ready to build past $1 million, and now for EO Houston members ready to keep growing. The full curriculum, dues, dates, and FAQ are on the application page. Apply by September 30 at eohouston.com/momentum.

Fewer than 5 percent of businesses make it past $1 million, and there is nothing inevitable about which 5 percent. Houston has the founders. Momentum exists to give them the systems and the peers.

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EO Houston is the Houston chapter of the Entrepreneurs' Organization, a global peer-to-peer network of business owners founded in 1987, with more than 200 member businesses and 75+ chapter events a year. Momentum is an independent program of EO Houston. Rice University faculty and alumni participate as instructors and coaches in their individual capacities.