Over the past few years, I've supported many startups and even helped launch several myself – as a freelancer, a consultant, and as a founder who built a team from scratch. And I keep seeing the same mistakes. Not with bad founders, but with ambitious ones who simply rush things. Or make decisions under pressure. Or both.
Here are the eight most expensive early-stage hiring mistakes and what you can do to prevent them:
Error #1: You are hiring for today, not for tomorrow
The most common mistake of all: You fill a position to address a current problem without considering what the person will need to be able to do in 12 or 18 months. A junior employee who's just ticking off the to-dos today might be a bottleneck in the team in a year. Not because they're bad, but because your startup has grown faster than its development.
What you should do: Before you advertise a position, ask yourself one question: What should this person be responsible for in 18 months? Not just do – be responsible for. The difference is crucial. Hire for the role you need, not the one you have today.
Error #2: You are evaluating skills, but not mindset
This is the most costly and hardest-to-spot mistake. A strong CV, good references, a convincing interview, and yet it still doesn't work within the team. Because skills are measurable, but mindset isn't written down.
What I mean is this: Someone can be excellent at performance marketing and simultaneously unable to work in a startup with little structure, a lot of responsibility, and constantly changing priorities. That's not a failure, that's a mismatch. And recognizing that is your job as a founder.
What you should do: In an interview, don't just ask what someone did, but how. Ask about situations where things went wrong. Ask how someone deals with ambiguity. Anyone who can only work within clearly defined structures won't be happy in your startup. And unhappy employees cost you more than just a vacant position.
Error #3: You ignore cultural fit until it's too late
Startups talk a lot about culture. And often act in the opposite way when the pressure mounts. The position has been vacant for three months, the team is overloaded, the next candidate is "good enough," so they get hired. And two quarters later, you wonder why the mood has soured.
Cultural fit isn't just a nice-to-have. It determines whether your team sticks together or falls apart during stressful times. This applies to permanent employees as well as external experts you bring in temporarily.
What you should do: Before your next hire, define three to five values or behaviors that are non-negotiable within your team. Not as a poster on the wall, but as a concrete image: What does this look like in everyday work? Who fits in, and who doesn't? And then stick to it. Even under pressure. And explicitly integrate a culture check as a separate component of your hiring process.
Error #4: You purchase a title and do not receive what you expect.
This is one of the most expensive mistakes of all, and it happens particularly often in sales. You're looking for someone who does sales. So you're looking for a Head of Sales or Director of Sales with an impressive CV. Big companies, well-known names, presumably a strong network.
The problem is that many people at this level haven't actually sold anything themselves in years. They've managed, reported, developed strategies, and led teams. These are valuable skills, but not the ones you need in the early stages. You need someone who picks up the phone, does cold calling, improvises during conversations, and still sends a follow-up email in the evening. That's a different kind of person than someone who builds dashboards and presents quarterly targets.
The network you bring with you – the much-cited "door opener" – often turns out to be another misconception. Contacts from a previous role in an established corporation rarely translate easily to a new context. Someone who previously worked as Head of Sales at a DAX-listed company or a late-stage scaleup doesn't automatically have access to the decision-makers relevant to your startup.
What you should do: Clearly distinguish between two roles: the seller and the sales leader. In the early stages, you almost always need the former. Ask very specific questions in the interview: When did you last personally close a deal from start to finish? What did your last sales day look like? Who are three contacts in your network you would call tomorrow, and why would they answer? The answers will tell you more than any title on your CV.
The career of Bastian Deurer His career path led him from strategy consulting at IBM and PwC, through management positions at ProSiebenSat.1 and Payback, to executive roles at an agency, and finally to self-employment, where he worked for many years as a freelancer on digital projects. It was precisely from this experience that he Dygitized Founded to connect companies with the right digital experts – not just technically, but also personally. Quickly, precisely, and with a genuine understanding of operational realities.
Error #5: You're building a team of B-players because A-players scare you.
This is a pattern I see time and again, yet hardly anyone talks about it openly. Founders unconsciously favor candidates who don't shine too brightly, who don't ask uncomfortable questions, who aren't better than themselves in certain areas. The result: a team that's pleasant to each other but doesn't truly challenge anyone. A team that functions, but doesn't win.
High-achievers are challenging. They question decisions. They have their own opinions. They want to grow and become impatient when they can't. But that's exactly what your startup needs in its early stages: people who are better than you in their field and who push you to improve as well.
The rule here applies like almost nowhere else: A-players hire A-players. B-players hire C-players. If you make the wrong decision now, it will permeate your entire company culture – often for years.
What you should do: Be honest with yourself. Are you rejecting someone because they're truly not a good fit, or because they challenge you? Both are valid feelings, but only one is a good reason. Hire people who are better than you in their field. That's not a weakness. That's good entrepreneurship.
Error #6: You are not investing anything in onboarding
You spent three months searching for the right person. For the first two weeks, you wonder what they're actually supposed to do. No structured onboarding, no clear scope, no buddy on the team. The person is motivated, but directionless. After 90 days, you start to wonder if the hiring was a mistake after all. Most of the time, it wasn't. The onboarding was.
I myself have started projects and jobs, both as a freelancer and as a permanent employee, where in the first week I didn't know who to ask, which tools to use, or even what success actually meant. This takes energy and trust on both sides, which you can't afford to waste in the early stages.
What you should do: Define the first 30 days for every new person – whether a permanent employee or an external expert. What should they understand? Who should they meet? What should they be able to do independently by the end of the first month? A simple 30-60-90-day plan is sufficient. It forces you to think clearly. And it shows the person that you take them seriously.
Error #7: The process is only in your head – nowhere else.
In the early stages, much is handled by the founder(s). That's normal. This becomes a problem as soon as new people join the company and no one can explain to them how things actually work here.
How are decisions made? Where is everything located? Who is responsible for what? How does a project proceed, from idea to implementation? If the answer to all these questions is: "Only I really know that," then you don't have a team. You have dependency.
Every new person who joins your company needs guidance. Not because they're incompetent, but because they don't know your business. If processes, structures, and decision-making logic exist only in the founder's mind, you waste valuable time with every onboarding process. And you make your company unnecessarily fragile, because the bus you could fall under is always closer than you think.
What you should do: Start small. Document the five most important processes in your company: how you work, how decisions are made, which tools you use and why, and who is responsible for what. Simply create a vibrant, accessible foundation that empowers every new person to quickly become independent. This is also a sign of company maturity.
Error #8: A good conversation does not replace a multi-stage hiring process
That's the mistake that comes in the most elegant disguise. "We had a good conversation. I can just feel it." Maybe. But a good conversation isn't a hiring process.
A 45-minute introductory meeting tells you whether someone is likeable and can present themselves well. It tells you little about how someone works under pressure, how they handle conflict, or how they prioritize when everything is hectic. You don't learn these things in a first conversation. You learn them in a case study. In a second interview with concrete scenarios. In a conversation with future teammates. In a reference check that you actually conduct, not just have on your to-do list.
Good hiring decisions are multi-stage, not because HR wants it that way, but because people are more complex than an initial contact suggests. And because a bad hire in the early stages is simply too costly – financially, in terms of time, and culturally – to leave to chance.
What you should do: Define at least three touchpoints for each role before making a decision. An initial meeting to get to know each other. A practical task or case study. A follow-up meeting with a second person from your team and another culture check. This will take an extra week. It could save you six months of heartache.
The conclusion
Poor early-stage hiring isn't bad luck. It's usually the result of too little clarity, too much pressure, and too little structure in the process. The good news: all eight mistakes are avoidable if you take the time before you start your search.
Who am I? What do I really need? Who do I want sitting next to me when things get tough? And how do I ensure that this process doesn't just exist in my head? These are the questions that matter. Take your time to answer them.
