ukraine's biomethane reinvention
Ukraine’s biomethane reinvention
great moderation
After the Great Moderation
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The part-time reinvention

Side hustlers are proving that reinvention need not involve venture capital

October 8, 2025

5 min read

October 8, 2025

5 min read

Photo: Dreamstime.

Reinvention can often suggest major upheaval. Chuck in the dreary job, max out the credit cards, pitch to venture capitalists, emerge triumphant with a unicorn start-up that disrupts entire industries. Stirring stuff for dinner parties, yes, but not much good as real advice.

Reality is more prosaic—and considerably more encouraging. Take the 460,000 Britons who have taken up side hustles, up a fifth in the past year. These part-time entrepreneurs are not chasing billion-pound valuations or courting investors with artisanal coffee and earnest PowerPoint decks.

They are fixing coffee machines on Airtasker, flogging vintage Tamagotchis on eBay, painting daft portraits between spreadsheets. Their revolution is conducted not from glass-walled incubators in Shoreditch, but from kitchen tables at odd hours.

Kitchen-table capitalism

This is more than a fad. Self-employment in Britain has hit 4.4 million, matching its pre-Covid-19 pandemic peak. The sector’s contribution to the economy has jumped 11 per cent, from 331 billion UK pounds in 2023 to 366 billion UK pounds this year.

Barriers to entry have collapsed. You need a laptop, an internet connection, some gumption. That is largely it. Some 72 per cent of Britain’s side hustlers sell online—handmade goods on Etsy, drop-shipped products they will never touch. Platforms such as Upwork and Fiverr let a freelance copywriter in Birmingham serve clients in Brisbane without leaving the house.

Transaction costs that once strangled small-scale entrepreneurship have evaporated.

More than just the money

Rising costs have sharpened attention. Inflation eating wages, energy bills causing palpitations—an extra few hundred quid monthly matters. But money is not the whole story. One in five Gen Z workers pursues side projects purely for interest. The accountant painting silly portraits for 25 UK pounds each is not funding a pension. They are having a laugh. The office manager reselling retro toys is not building an empire. They are turning car boot sales into pocket money and a pleasant Saturday.

Side hustles run from the cerebral (coding, graphic design, tutoring) to practical (dog walking, food delivery) to oddly specific (gluten-free pastries, handmade soaps). Oxbridge degrees are not required. Trust funds are not necessary.

Side hustles arguably represent capitalism at its most distributed—millions of micro-enterprises operating outside traditional employment structures. They need functioning markets, light regulation, digital infrastructure. They do not need the state fussing about. Part of the boom in the UK can be attributed to the country’s sensible taxation policies—the state allows individuals to make 1,000 UK pounds in side hustle income before demanding a share in tax. This is entrepreneurial activity that thrives when governments leave it alone.

What side hustles reveal

That 460,000 people feel compelled to work beyond their primary jobs suggests a darker side, however: that something has gone wrong with their jobs. Stagnant wages? Rising costs? Soul-crushing corporate tedium?

When 47 per cent of British adults are considering launching a business or side hustle in 2025—up 12 per cent on last year—it’s not difficult to detect a collective loss of faith in conventional careers.

Equally telling, those just starting out are the most energetic side hustlers. Some 61 per cent of Gen Z and 55 per cent of millennials earn from side hustles, compared with much lower rates among older workers.

Younger cohorts, having lived through the 2008 crash, Brexit chaos, and Covid-19 pandemic disruptions, harbour no illusions about job security or employer loyalty. They diversify income streams as insurance, much as their grandparents kept savings in multiple accounts. Same impulse. Different method.

Training wheels for entrepreneurs

Seven in ten side hustlers want to turn their part-time ventures into full-time businesses. Most will fail. That is fine. The attempt matters. These are training wheels for entrepreneurship—low-risk experiments teaching pricing, marketing, customer service, the brutal realities of self-employment. No mortgaging the house. No pitching to investors. Just try it and see.

The infrastructure keeps improving. Artificial intelligence helps with content generation, task automation—lowers the effort to launch and maintain projects. Platforms multiply. Regulations adapt, albeit slowly. The ecosystem for small-scale entrepreneurship has never been stronger.

Reinvention, reimagined

What this tells us about reinvention is quietly subversive. The dominant narrative demands dramatic gestures—return to university, relocate to a tech hub, abandon stable employment for entrepreneurial uncertainty. The side hustle model offers something more gradual. Keep the day job. Experiment at the margins. Test whether the market values what you make. Scale up if it works. Drop it if it does not. The risks—financial, psychological—stay manageable.

This is reinvention as evolution, not revolution. It lacks the romance of burning boats and betting everything on a dream. But it has the considerable virtue of working for people without safety nets.

The lesson is not that everyone should take up a side hustle. Many people are perfectly content with single employment and prefer their evenings unmonetised. Fair enough. Rather, reinvention increasingly happens at the edges—spare hours, weekend projects—not through career pivots where you risk everything. The infrastructure now exists for people to test ideas, develop skills, build businesses incrementally. No pitch deck required. No venture capital necessary. Just work. See what happens.

Britain’s 460,000 side hustlers are not revolutionaries in the conventional sense. They are not toppling industries or rewriting commerce. But they are demonstrating, one dog walk and Vinted listing at a time, that career transformation can be banal, gradual, accessible. That may be the most revolutionary thing about them.

Photo: Dreamstime.

Reinvantage Insight

Reinvantage Insight

The byline Reinvantage Insight is used to denote articles to which several members of the Reinvantage insight and analysis team may have contributed.

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Case study: Global technology company

1. The Client

A global technology company operating across EMEA, with a regional HQ in Istanbul. The company manages 20+ markets, handling everything from brand campaigns to strategic partnerships.

Role we worked with: The EMEA Head of Marketing (supported by two regional managers).

2. The Challenge

Despite strong products and a respected global brand, the regional team was struggling with:

  • Misaligned strategy across markets → campaigns executed with inconsistent narratives.
  • Slowed growth → lead generation plateaued despite increasing spend.
  • Internal friction → marketing, sales, and product teams disagreed on KPIs and priorities.

Traditional fixes (more meetings, more reporting) only created more noise.

3. The Sprint

We ran a 10-day Remote Reinvention Sprint with the regional HQ team.

  • Day 1–3: Intake → Reviewed decks, campaign data, and plans.
  • Day 4: Sprint Session (90 mins) → Breakthroughs:
    • Sales and marketing had different definitions of “qualified lead.”
    • 40% of spend was going into low-potential markets.
    • The team assumed the problem was lack of budget, but it was actually lack of alignment.
  • Day 5–10: Synthesis → Insights distilled into a Clarity Brief + Insight Canvas.
4. The Breakthrough

The Sprint uncovered that the issue wasn’t budget, but fragmentation.
Three sharp insights unlocked a way forward:

  1. Unified KPIs bridging marketing + sales.
  2. Market prioritisation → shifting budget to 5 high-potential markets.
  3. Simplified narrative → one EMEA core story, locally adaptable.
By just realigning resources and focus, the client could unlock an estimated £250,000 in efficiency gains within the next 12 months — far exceeding the Sprint’s value guarantee. The path to higher returns was already inside the business, hidden by misalignment.
5. From Sprint to Action (4 Pillars Applied)

With clarity secured, Reinvantage didn’t suggest “more projects.”

Instead, we used the Sprint findings to create laser-focused next steps — drawing only from the areas that would deliver the most impact:

  • Readiness → Alignment workshops for sales + marketing teams. New playbooks clarified “qualified lead” definitions and reduced internal disputes.
  • Foresight → A market-opportunity scan identified which 5 countries would deliver the highest ROI, removing the guesswork from allocation.
  • Growth → Guided the reallocation of €2M budget and designed a phased rollout strategy that protected risk while maximising return.
  • Positioning → Built a messaging framework balancing global consistency with local nuance, ensuring campaigns spoke with one clear voice.

Because the Sprint had stripped away noise, these actions weren’t generic consulting ideas — they were directly tied to the breakthroughs.

6. The Results
  • +28% increase in qualified leads across the region.
  • 30% faster campaign rollout due to streamlined approvals.
  • Budget efficiency gains → €2M redirected from low-return to high-potential markets.
  • Internal cohesion → marketing + sales now use a single shared dashboard.
The client came in believing they needed more budget.
The Sprint revealed that what they really needed was clarity and alignment.

With that clarity, the four pillars became not theory, but practical tools to deliver measurable impact.

The Sprint guaranteed at least £20,000 in value — but in this case, it helped unlock more than 10x that within six months.

Case study: Regional VC fund & accelerator

1. The Client

A regional venture capital fund and accelerator focused on early-stage tech start-ups in the Baltics and Central Europe.

The fund had raised a new round and was under pressure to deliver stronger returns while also building its reputation as the go-to platform for founders.

Role we worked with: Managing Partner, supported by the Head of Portfolio Development.

2. The Challenge

Despite a promising portfolio, results were uneven.

Key issues:

  • Scattered portfolio support → no consistent playbook for start-ups, every partner did things differently.
  • Weak differentiation → founders and co-investors saw the fund as “one of many” in the region.
  • Stretched team → too many small bets, not enough clarity on which companies to double down on.

The leadership team knew something was off, but disagreed on whether the issue was pipeline quality, market conditions, or internal capacity.

3. The Sprint

We ran a 10-day Remote Reinvention Sprint with the partners and portfolio team.

  • Day 1–3: Intake → Reviewed pitch decks, pipeline funnel data, and start-up performance reports.
  • Day 4: Sprint Session (90 mins) → Breakthroughs:
    • No shared definition of a “high-potential founder.”
    • Support resources were spread too thin across the portfolio.
    • The fund’s positioning was more reactive than proactive — it didn’t own a distinctive narrative in the market.
  • Day 5–10: Synthesis → Insights consolidated into a Clarity Brief + Insight Canvas.
4. The Breakthrough

The Sprint revealed that the challenge wasn’t pipeline quality — it was lack of focus and positioning.

Three core insights provided the turning point:

  1. Portfolio Prioritisation Framework → defined clear criteria for where to double down.
  2. Founder Success Playbook → standardised support model for portfolio companies.
  3. Differentiated Narrative → repositioned the fund as “the accelerator of reinvention-ready founders.”
These shifts alone gave the fund a path to add an estimated £2M+ in portfolio value over the following 18 months, by concentrating capital and resources where they could move the needle most.
5. From Sprint to Action (4 Pillars Applied)

With clarity from the Sprint, Reinvantage created a tailored support plan:

  • Readiness → Coached partners on using the new prioritisation framework and trained the team on deploying the Founder Success Playbook.
  • Foresight → Ran scenario analysis on regional tech trends, helping the fund anticipate where capital would flow next.
  • Growth → Guided resource reallocation across the portfolio and supported new co-investor pitches for top-performing start-ups.
  • Positioning → Crafted a sharper brand story for the fund, positioning it as the reinvention partner for globally minded founders.
6. The Results
  • 10 portfolio companies onboarded to the new Playbook → greater consistency of support.
  • Raised follow-on capital for 3 top start-ups with the new prioritisation framework.
  • +26% increase in inbound deal flow from founders citing the fund’s new positioning.
  • Stronger internal cohesion → partners aligned on where to focus resources.
The client thought the problem was pipeline quality.
The Sprint showed it was actually lack of clarity and focus inside the firm.

By applying the four pillars, Reinvantage helped turn scattered effort into concentrated value creation.

The Sprint guaranteed at least £20,000 in value; here it set the stage for multi-million-pound upside in portfolio growth.

Case study: International impact Organisation

1. The Client

A large international impact organisation focused on entrepreneurship and economic empowerment.
The organisation runs multi-country programmes across Eastern Europe and Central Asia, often in partnership with global donors and corporate sponsors.

Role we worked with: Senior Programme Director, responsible for regional coordination.

2. The Challenge

The organisation had launched a flagship regional initiative supporting women entrepreneurs, but the programme was underperforming.

Key issues:

  • Fragmented delivery → each country office interpreted the programme differently.
  • Donor frustration → reporting lacked consistency and clear impact metrics.
  • Lost momentum → staff energy was spent on administration rather than scaling success stories.

Traditional programme reviews had produced long reports, but no real alignment or action.

3. The Sprint

We ran a 10-day Remote Reinvention Sprint with the regional leadership team and representatives from two country offices.

  • Day 1–3: Intake → Reviewed donor reports, programme KPIs, and field feedback.
  • Day 4: Sprint Session (90 mins) → Breakthroughs:
    • Donors cared about quantifiable outcomes, but reporting focused on stories.
    • Staff were duplicating efforts across countries, wasting time and resources.
    • The initiative lacked a clear theory of change — everyone described its purpose differently.
  • Day 5–10: Synthesis → Insights distilled into a Clarity Brief + Insight Canvas.
4. The Breakthrough

The Sprint revealed that the issue wasn’t donor pressure or programme design — it was a lack of shared framework and alignment.

Three critical insights reshaped the path forward:

  1. One Unified Theory of Change → agreed narrative for why the programme exists.
  2. Core Impact Metrics → clear, comparable KPIs across all countries.
  3. Smart Resource Sharing → digital hub to stop duplication and accelerate knowledge flow.
By eliminating duplicated reporting and clarifying what success looks like, the client saw they could save the equivalent of £100,000 in staff time annually — while also unlocking stronger donor confidence and follow-on funding opportunities.
5. From Sprint to Action (4 Pillars Applied)

Armed with Sprint clarity, Reinvantage proposed a laser-focused support plan:

  • Readiness → Trained programme leads on using the new metrics and integrated them into existing workflows.
  • Foresight → Analysed donor trends and expectations, aligning the initiative with the next funding cycle.
  • Growth → Developed a funding case based on the new unified theory of change, securing higher renewal chances.
  • Positioning → Crafted a regional success narrative and storytelling toolkit, helping them showcase results consistently across markets.
6. The Results
  • 30% less time spent on reporting → freed capacity for programme delivery.
  • Donor satisfaction improved → positive feedback on the clarity of impact evidence.
  • Secured new funding commitment → one major donor increased their contribution by 20%.
  • Stronger internal morale → staff felt they were working with clarity, not chaos.
The client thought it needed better donor management.
The Sprint revealed it needed a shared foundation across its teams.

By anchoring on the four pillars, Reinvantage turned alignment into efficiency gains and fresh funding opportunities.

The Sprint guaranteed at least £20,000 in value; here it unlocked both six-figure savings and future-proofed funding.

Case study: National digital development agency

1. The Client

A national digital development agency tasked with driving the government’s digital transformation agenda, including e-services, citizen portals, and smart city pilots.

Role we worked with: Director of Digital Transformation, supported by IT and service delivery leads from three ministries.

2. The Challenge

The agency had strong political backing but faced hurdles in implementation.

Key issues:

  • Siloed projects → each ministry developed digital tools independently, leading to duplication.
  • Citizen frustration → services were digital in name, but still required multiple logins and offline steps.
  • Funding pressure → international partners demanded clearer impact in the short term.

The agency wanted to accelerate momentum but struggled to get alignment across ministries.

3. The Sprint

We ran a 14-day Immersive Reinvention Sprint with the agency’s leadership and digital focal points from three ministries.

  • Day 1–3: Intake → Reviewed strategy docs, donor reports, and citizen feedback data.
  • Day 4: Immersive Sprint Session (half-day) → Breakthroughs:
    • Each ministry had different definitions of “digital service.”
    • 20% of budget was going into overlapping pilot projects.
    • Citizens’ top frustrations were known — but not prioritised.
  • Day 5–14: Synthesis → Insights consolidated into a Clarity Brief + Insight Canvas.
4. The Breakthrough

The Sprint revealed that the biggest blocker wasn’t lack of funding, but lack of shared priorities.

Three practical insights stood out:

  1. One Definition of Digital Service → agreed across ministries.
  2. Quick-Win Prioritisation → focus on top 3 citizen pain points (ID renewal, business registration, healthcare booking).
  3. Shared Resource Map → pool budgets to eliminate duplication.
These changes alone allowed the agency to unlock £75,000 in immediate savings and deliver 2–3 visible improvements in the next quarter — meeting donor expectations and building citizen trust.
5. From Sprint to Action (4 Pillars Applied)

Based on the Sprint clarity, Reinvantage proposed a modest, targeted package of support:

  • Readiness → Facilitated inter-ministerial workshops to embed the “one digital service” definition.
  • Foresight → Analysed citizen feedback trends to shape the quick-win roadmap.
  • Growth → Supported the reallocation of funds to joint projects, reducing overlap.
  • Positioning → Crafted a communication plan highlighting early digital wins to donors and citizens.
6. The Results
  • 2 pilot services integrated into the central portal (ID renewal + healthcare booking).
  • Budget savings of £75,000 from eliminating overlapping projects.
  • Citizen satisfaction up modestly → call centre complaints on digital services dropped by 12%.
  • Donor confidence improved → short-term impact report received positive feedback.
The client thought it needed more funding and bigger projects.
The Sprint revealed it first needed clarity and alignment.

By applying the four pillars to a targeted scope, Reinvantage helped deliver visible results within a single quarter — proving progress to citizens and donors and laying the groundwork for deeper transformation.