The non-negotiables of growing a female-founded business

Building a successful business requires more than a good idea. As a company grows, founders have to make decisions about money, people, investment, visibility and how much of themselves they are prepared to give to it. For female founders, some of those pressures remain particularly acute. Entrepreneur and former NHS nurse Cassandra Sonma Ukaobi, known as Cass Uk, shares the lessons she no longer compromises on.

Cassandra Sonma Ukaobi built her wellness business, Tolicious, while still working hospital shifts for the NHS. It meant learning about entrepreneurship while doing it: funding the company herself, making decisions without a large team behind her and working out which opportunities were worth pursuing.

Some of the lessons came later than she would have liked.

“Building and self-funding a business from the ground-up is a mine-field for anyone to navigate, but for female founders, it can be even more difficult to juggle with self-doubt, investors, male-dominated industries, motherhood, and the pressure to prove yourself,” she says.

“It’s the silent emotional resilience that’s not talked about enough with female founders, and as a former NHS nurse who walked away from a secure career to build an award-winning nurse-led wellness company, there are a few rules I now refuse to compromise on.”

Know exactly what the business is making

A healthy sales figure can disguise a lot. Strong revenue means little if margins are being squeezed, acquisition costs are climbing or there is not enough cash available to cover the next few months.

Founders do not need to become accountants, but they do need to understand what sits behind the headline numbers. That becomes particularly important before taking on staff, increasing marketing spend, ordering more stock or seeking investment.

“This one isn’t particularly shiny or fun, but get to know your numbers. Unfortunately, your business can have all the best intentions behind it, but if the cash flow and margins aren’t working, it just won’t scale. Get to know your cash flow, margins, customer acquisition cost, profitability and runway, or work with someone who specialises in this. Passion without financial literacy creates expensive mistakes within a scaling business.”

For female founders, getting comfortable with finance early has another practical advantage. The funding gap remains sizeable. The British Business Bank's 2026 Investing in Women Code report found that all-female founding teams received 2% of total equity investment in the wider UK market. Among investors signed up to the Code, the figure was 6%.

External funding will not be right for every company. Knowing the numbers makes that a business decision rather than something a founder pursues simply because raising capital has come to be treated as a marker of success.

Be particular about whose money you take

Investment tends to be reported at the point the money arrives. Less attention is paid to the relationship that follows. Depending on the deal, an investor can be involved with a company for years and may have voting rights, board representation or a say in future fundraising and strategic decisions. Cass advises founders to look beyond the amount being offered.

“In the same breath, I recommend choosing your investors and partners carefully. Don’t jump at the first chance of investment coming your way. The right investor will bring experience, networks and belief, not just capital.”

Speaking to founders from an investor's existing portfolio can be revealing. How do they behave when growth is slower than expected? How involved are they day to day? What do they contribute when the company needs something other than cash? The answers may matter long after the valuation has been agreed.

Build a company that can work without you

Being indispensable can feel reassuring in the early stages of a company. The founder knows every customer, supplier and product. They understand why things are done a particular way because, in many cases, they designed the way themselves but it becomes less useful as the company gets bigger.

“I took a long time to realise this, but your business is failing because you’re trying to do everything yourself. Delegating can be difficult, but you need to realise it isn’t laziness, but actually a way to keep yourself productive where it counts. The biggest shift I made wasn’t working harder, but actually building systems that allowed the business to grow beyond me.”

Delegation works properly when somebody else can take ownership of an area rather than simply carry out individual instructions. That means documenting processes, agreeing who can make which decisions and resisting the temptation to pull everything back to the founder for final approval.

One simple way to expose the gaps is to consider what would happen if the founder disappeared from the business for a week. The things that immediately stop are usually the areas where systems or responsibility still need work.

Treat health and time as company resources

Cass's nursing background has shaped another of her rules.

“Firstly, protect your health before your business. Burnout is more expensive for your business than you might think. As nurses we’re taught to care for everyone else first. Entrepreneurship taught me that if the founder collapses, the company eventually follows. Make sure you put your own health first before anything else.”

Founder wellbeing can sound like a personal issue until absence, exhaustion or poor decision-making starts affecting the company. In a founder-led business, there is often little separation between the two.

The same applies to time. Email, WhatsApp, social media, suppliers and customers can give a founder a working day with no obvious end. Being easy to reach is useful; being permanently available is harder to sustain.

“This also took a while for me to realise, but setting boundaries is a form of self care, not selfish. You can easily feel really guilty about setting boundaries within your business, and especially as female founders, we’re often expected to be available at all times of the day for others. I’ve learned that saying no creates space for the opportunities that truly matter. Boundaries are a business strategy, not something that hinders the company.”

Some boundaries can be built into the company itself. Clear response times, fewer decisions requiring founder sign-off and a named person to deal with problems in the founder's absence make the business easier to run as well as easier to leave for an evening.

Don't build the strategy around whatever is popular this month

Beauty and wellness businesses operate in markets where demand can move quickly. A particular ingredient, treatment or wellness idea can dominate social media and become commercially attractive almost overnight. That can make trend-led expansion tempting.

“I always recommend people build their business around your purpose, not trends. I didn’t build my brand, Tolicious, because wellness was fashionable, but rather because I personally experienced burnout at my job in healthcare and wanted to prevent others from reaching that point. Purpose survives difficult markets, whereas trends fade.”

A company can respond to what customers are interested in without allowing every burst of demand to redirect the business. A new category makes more sense when it fits an existing customer need and the reason the company exists in the first place.

This is particularly relevant in beauty, where moving quickly can be commercially valuable but launching into every fast-growing category can leave a brand with a range that no longer makes much sense as a whole.

The founder has a brand too

Many founders are happy to promote their company but less comfortable promoting themselves. Cass believes the two increasingly need to develop together.

“Something I really believe in is building your personal brand alongside your company. People buy from people. Your business should have a clear brand identity, but so should you. This means getting your name out there in the media, being present on socials, speaking on podcasts and being present at conferences. This also builds credibility, which I think is another non-negotiable when building a business. Authority as a founder compounds over time and seeps into your business.”

That does not require a founder to turn every part of their life into content. The useful part of a personal brand is the association between a person and an area of knowledge or experience.

For a clinic founder, that could be years spent treating a particular concern. For a product founder, it might come from formulation expertise or first-hand experience of the problem the product was created to solve. Media coverage, panels, podcasts and social content then give that expertise somewhere to be seen.

Some rejections are useful. Others are simply no

Founders hear no frequently enough that it becomes part of running a company. Retailers decline products, investors pass on deals, partnerships do not happen and pitches go unanswered. Cass's approach is to keep the rejection in proportion.

“Another non-negotiable for me is not letting rejection decide my future. I’ve heard ‘no’ countless times in my journey as a founder. From products and partnerships to investment and media opportunities, it can be difficult to cut through the noise when all it feels like is that you’re hearing ‘no’ constantly. But one ‘yes’ can change everything, so keep showing up until you find it.”

It is worth separating rejection from feedback. If several buyers raise the same issue with pricing, or a run of investors question the same weakness in the model, there may be something to fix. A buyer deciding that a product does not suit its customer, or an investor saying the company falls outside its mandate, tells a founder much less.

Persistence does not require ignoring the response. Sometimes the useful part of a no is working out which kind it was.

Decide what you actually want the company to give you

Business growth is easy to put on a spreadsheet. More revenue, more staff, another market, another round of funding.

The founder's experience of that growth is harder to measure.

“A huge non-negotiable rule for me is to always reconnect with myself. For years, I measured success by working longer hours and pouring every single thing I had into the business. But this led to me losing myself within my brand. Instead, I now measure success differently. I think; can I spend quality-time time with my son today? Can I sleep well? Can I enjoy the company I’ve built? You still need to know yourself and feel happy away from your business.”

One question worth asking during a period of growth is what would happen if the company doubled in size. Would the founder's working hours have to double too? Would every new client create more work directly for them? Would a larger business give them more freedom, or less?

Cass has arrived at her own definition.

“Building a female-founded business isn’t about proving yourself or proving that women can succeed. There are already so many female-founded businesses out there that are doing amazing things and proving this already. Instead, the challenge is building brands and companies that don’t require us to sacrifice our health, families or identity in the process. Real success for me isn’t just creating a profitable business, it’s about creating a life you’re proud to live in and outside of the company.”

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