Devstars
Blog
Date: 08/03/2026
Hiring a fractional CMO is one of the most effective ways for a growing business to access senior marketing leadership without the full-time overhead. Most businesses face the same three-way decision: bring in a full-time marketing director, retain a traditional agency, or work with a fractional CMO. Each option has real advantages — and real trade-offs. Here’s a straight comparison.

A full-time senior marketing hire gives you dedicated, embedded leadership. They know your business inside out, they’re building for the long term, and they’re fully accountable for outcomes.
Typical cost: £70,000–£120,000 salary, plus benefits, NI, pension, and management overhead. Total employment cost often runs 30–40% above base salary — consistent with CIPD Resourcing & Talent Planning data on senior hires.
Pros: Deep institutional knowledge over time, full focus on your business, cultural alignment, team leadership.
Cons: High fixed cost, 3–6 month recruitment timeline, 3–6 month onboarding before full effectiveness, significant risk if the hire isn’t right.
Best suited for: businesses with consistent, large-scale marketing needs and the budget to sustain a senior salary regardless of revenue fluctuations.
A retainer-based agency gives you access to a team of specialists — designers, copywriters, strategists, media buyers — under one roof. You pay a monthly fee and the agency executes agreed deliverables.
Typical cost: £2,000–£15,000 per month depending on scope and agency size.
Pros: Breadth of specialist skills, no recruitment overhead, scalable up or down, external perspective.
Cons: Account managers change, your business is one of many, strategic direction often sits with the client not the agency, can become execution-only without proper briefing.
Best suited for: businesses that have clear marketing direction internally and need execution resource.
Hiring a fractional CMO means bringing in an experienced marketing director on a part-time basis — typically 1–3 days per week. You get senior strategic leadership without the full-time cost.
Typical cost: £3,000–£8,000 per month depending on experience and time commitment.
Pros: Senior experience at a fraction of the full-time cost, strategic ownership, no recruitment timeline, immediate impact, flexible engagement model.
Cons: Time is shared, not embedded full-time, best suited to businesses that need direction more than execution volume.
Best suited for: scale-ups, SMEs, and businesses in transition (post-funding, pre-hire, or repositioning) that need senior strategic input without the full-time overhead.
| Full-Time CMO | Agency | Fractional CMO | |
|---|---|---|---|
| Monthly Cost | £7,000–£10,000+ | £2,000–£15,000 | £3,000–£8,000 |
| Strategic Ownership | High | Low–Medium | High |
| Flexibility | Low | Medium | High |
| Time to Impact | 3–6 months | 1–2 months | 2–4 weeks |
| Specialist Depth | Depends on hire | High (team) | High (individual) |
| Commitment | Fixed, long-term | Retainer | Flexible |
Ask yourself three questions:
At Devstars, our fractional CMO model is built around commercial outcomes, not activity reports. We embed into your business, build the strategy, manage the channels, and report on what actually matters — leads, pipeline, and revenue. We work with the tools you already have, integrate with your team, and focus on sustainable growth rather than vanity metrics.
If you’re ready to explore what hiring a fractional CMO could look like for your business, take a look at our fractional CMO services.
Stuart Watkins is the founder of Devstars LWDA, a Jersey-based digital agency specialising in GEO, technical SEO, and AI-powered growth systems. He has worked in marketing for over 35 years and has his finger firmly on the pulse of digital comms. Reach out if you’d like some advice.
Fractional CMO engagements typically range from £3,000 to £8,000 per month depending on experience and days per week. This compares to £70,000–£120,000 annually for a full-time equivalent.
When you need strategic ownership rather than execution. Agencies are best for businesses that know what they want and need resource to deliver it. A fractional CMO is best when you need someone to own the marketing direction and make the strategic calls.
Yes — and this is often the most effective model. A fractional CMO sets the strategy and manages the agency relationship, ensuring the agency delivers against clear commercial objectives rather than just activity targets.
Most engagements run 6–18 months. Some businesses use a fractional CMO as a bridge until they are ready for a full-time hire; others find the model works long-term and continue indefinitely.
Tell me what you’re trying to fix. Half an hour, no pitch, no slide deck.
If we’re the right fit we’ll talk about what’s next. If we’re not, I’ll point you to someone who is.