Fractional or interim marketing director: which one fits?

The difference in plain terms

The two are often confused because both are experienced marketing leaders who are not permanent employees. The real differences are time, length and purpose.

An interim works full-time or close to it, for a fixed period that usually runs from three to twelve months. Their job is to fill a gap or lead a specific change, often in a larger company, public body or charity. They are usually paid a day rate, often through an agency and sometimes on PAYE, and they rarely have other clients during the assignment. At the end, they hand over to a permanent hire.

A fractional director works part-time, typically two to eight days a month, on an ongoing basis that often lasts a year or more. Their job is to provide senior leadership a business cannot yet justify full-time, usually in small and mid-sized businesses, start-ups and scale-ups. They are paid a monthly retainer or a day rate and invoice directly, they usually work with several clients at once, and they stay until the business outgrows the arrangement.

When interim is right

Choose interim when you need someone in the seat every day for a defined period. The clearest cases are when your marketing director has left and the team needs daily leadership while you recruit, or when parental leave or a long absence leaves a full-time role uncovered.

Interim also fits when a big change has a deadline, such as a rebrand, a merger, a market launch or a turnaround that needs one person on it full-time. It fits when the team is large, because managing ten or more people day to day needs more than part-time leadership. And it fits when the role needs presence, in the office and in meetings, every day.

Interim works best when the end point is clear. The interim's job is to hold the role, deliver the change and hand over cleanly to a permanent hire.

When fractional is right

Choose fractional when you need senior judgement rather than a full-time senior person. That is often the case when a business has never had a marketing director and is not sure it needs a full-time one yet, or when a small team or a set of agencies needs direction, priorities and someone to check their work.

Fractional also fits when marketing is underperforming and you need someone to work out why, then fix the biggest problems first. It suits a budget that does not stretch to a full-time senior salary plus the team that person would need.

It fits especially well when the work spans marketing and technology. If tracking, the CRM, the website and reporting all need joining up, a traditional marketing director may not cover them, and that is the gap we work in.

Cost models compared

The two are priced differently, so compare the total cost for the period rather than day rates alone.

Interim rates vary widely by sector. Listings we checked in November 2026 included an enterprise marketing transformation role at £1,200 to £1,500 a day and a charity director of marketing role at £350 to £450 a day on PAYE. An interim works around 20 days a month, so the monthly cost is roughly the day rate multiplied by 20, and agency fees are often included in that rate.

Fractional directors typically charge between £600 and £1,500 a day, or a retainer of roughly £2,500 to £10,000 a month, for two to eight days a month, usually with no agency fee.

An interim at £500 a day for 20 days a month costs about £10,000 a month. A fractional director at £1,000 a day for four days costs about £4,000. The interim gives you five times the hours. Whether you need those hours is the real question.

Moving from interim to fractional

Many businesses use both, one after the other. An interim covers a gap or leads a change, then the business realises it does not need a full-time replacement, and a fractional director picks up the ongoing leadership at a lower monthly cost.

A few things make that handover smoother. Ask the interim to write down the plan, the priorities and the open decisions before they leave. Keep reporting the same numbers in the same format across the change. Agree in writing in the first month what the fractional director owns and what the team owns, and decide which agencies and suppliers report to them.

The reverse happens too. A fractional arrangement can show that the business needs a full-time leader, and the fractional director then helps write the role and hire the person.

Common questions

Is interim more senior than fractional? Not necessarily. The difference is time and purpose, not seniority. Both are usually experienced marketing leaders.

Can a fractional director cover parental leave? Only if the role does not need daily presence. Most parental leave cover needs an interim.

Do interim roles fall under IR35? Many do, especially in larger organisations and the public sector. Fractional arrangements with several clients are more often outside IR35, but every case depends on the facts, so take advice.

What does Kitebox offer? Fractional only. Our Lead package covers fractional marketing director or fractional CTO work from £3,000 a month. If you need an interim, we will say so.