Best Marketing Agencies for Consultants in the UK (2026)

The best marketing agency for consultants in the UK depends on whether you judge it on booked revenue or on visibility. LeadsNow ranks #1 for consultants who want fees tied to revenue (5–25% of the revenue we generate for you (revenue share), or an equivalent pay-per-appointment fee), Mobas (Cambridge, founded 2003) #2 for brand-led repositioning, and Consortium (an outsourced marketing executive at £2,500 a month) #3.

• #1 LeadsNow: performance model that books first meetings.
• #2 Mobas: Cambridge professional services agency for brand, websites and search.
• #3 Consortium: priced outsourced marketing for professional firms.
• The test: monthly fee ÷ day rate = break-even billable days.

How the three UK marketing agencies for consultants compare

The three UK marketing agencies for consultants here differ most on what they are paid for: booked revenue, brand repositioning, or monthly activity.

All details were read on each agency’s own pages on 13 November 2026. Consortium’s package cards state neither a VAT basis nor a billing period.

FAQ: marketing agencies for consultants in the UK

What is the best marketing agency for consultants in the UK?

For consultants judged on booked revenue, LeadsNow ranks first because it is paid on booked calls and revenue. Mobas, a Cambridge professional services agency founded in 2003, ranks second for repositioning, and Consortium ranks third for priced outsourced marketing, with an outsourced marketing executive at £2,500 per month.

How much does a marketing agency cost a UK consultant?

Consortium prints £2,500 per month for an outsourced marketing executive and packages starting at £3,100, £3,600 and £4,100, with no billing period or VAT basis stated on those package cards. Mobas gives indicative ranges on a first call. LeadsNow charges 5–25% of the revenue we generate for you (revenue share), or an equivalent pay-per-appointment fee, or a mix of both.

Can a marketing agency email sole-trader consultants without consent?

Often not. Regulation 22 of PECR requires prior consent for marketing emails to individual subscribers, and the PECR definitions say an individual means a living individual and includes an unincorporated body of such individuals, which covers sole traders and most partnerships outside Scotland.

How many new billable days must a marketing retainer win?

Divide the monthly fee by your day rate. At a £900 day rate, a £2,500 fee needs 2.8 days of new work a month and an assumed £10,000 retainer needs 11.1 days, before VAT and before the sales cycle delays the first invoice.

How does LeadsNow charge, and can I cancel?

LeadsNow charges a revenue share, a fee per appointment, or a mix of both, set by lead volume, what is sold and its price, the type of business and how much of the funnel it runs. No-shows aren’t charged, and you can cancel any time with 14 days notice.

The best marketing agencies for consultants in the UK, ranked

The best marketing agencies for UK consultants in 2026 are ranked here by how directly each is judged on booked meetings and revenue, from LeadsNow at #1 to Consortium at #3.

1. LeadsNow: best for consultants whose enquiries and referrals never become meetings

LeadsNow fits a UK consultancy whose enquiries, past proposals or referrals stalled before a first meeting. LeadsNow uses AI calling, SMS and DM follow-up to contact each lead, qualify the buyer and book a first meeting on your calendar with reminders. Its record: 50,769+ AI-booked sales appointments since 2017 and 1M+ leads generated, 24 filmed client case studies, and 4.7/5 from 60 Google and Facebook reviews. Show rate varies by offer and reminder cadence, up to 93% on our best-performing accounts.

For one coaching and consulting client, LeadsNow runs a “trash to cash” model: that client closes around $180,000 a month in cash collected purely from leads it had given up on, such as no-shows and prospects who ghosted. Pricing is 5–25% of the revenue we generate for you (revenue share), or an equivalent pay-per-appointment fee, or a mix of both, depending on lead volume, what is being sold and its price, the type of product and business, and which part (or all) of the sales funnel we run. No-shows aren’t charged. The LeadsNow service for consultants explains the setup, and the LeadsNow methodology page defines the 7x average sales lift and discloses that the median is closer to 4x.

Where LeadsNow loses: it is not a brand or website agency, and it is based in Australia. A consultancy with no enquiries to work should start with Mobas or Consortium.

2. Mobas: best for consultancies that need repositioning before they need more meetings

Mobas is a professional services marketing agency “founded in Cambridge in 2003” that says it helps “law firms, accountancy practices and consultancies win the clients they actually want, through brand, websites, search and content”. It trades as Mobas Ltd (Company No. 04648672), with offices in Cambridge and London, and names founder Robin Bryant on its About page. Its consultancy evidence is Plenitude Consulting, whose Head of Insight and Partnerships is quoted on the Mobas site saying Mobas “helped us reposition Plenitude with real clarity and confidence”. Its SEO work now includes “visibility in AI Overviews and AI assistants as standard”. On price, its FAQ says “We give indicative ranges on a first call”.

3. Consortium: best for smaller professional firms that want a priced, outsourced marketing function

Consortium is the trading name of Consortium Business Solutions Ltd (Company No. 8256154), founded by director Lara Squires, and sells outsourced marketing to law firms, accountants, legal sector suppliers and wider professional services, naming “property consultancies and insolvency practitioners” among them. It is the only agency here with a full price list on its own site: an Outsourced Digital Marketing Executive at £2,500 per month, Foundation, Growth and Scale packages from £3,100, £3,600 and £4,100 and PR from £1,600 per month. It fits a consultant who wants steady LinkedIn, email and website activity without hiring, though its sector pages lean towards legal and accountancy work.

How we ranked marketing agencies for UK consultants

LeadsNow ranked UK marketing agencies for consultants on four criteria, led by whether the agency is judged on booked meetings and revenue rather than reach.

The Billable-Day Payback Test: what a marketing fee costs a UK consultant

The Billable-Day Payback Test converts a UK consultant’s monthly marketing fee into the billable days of new client work the agency must source every month just to cover itself.

The formula is: monthly fee ÷ day rate = break-even billable days per month. Consultants sell time, so a fee in days is easier to judge than one in clicks. The fee row of £2,500 is Consortium’s printed price for its Outsourced Digital Marketing Executive; the £5,000 and £10,000 rows are assumed retainer levels, not any named agency’s price and not a LeadsNow price. Day rates are assumptions.

Worked example: a consultant at £900 a day on a £5,000 retainer needs 5.6 new billable days a month, or 67 days over 12 months (£60,000 ÷ £900). At 10 days per first engagement (assumption), that is about seven new engagements a year. Add VAT if the price is quoted ex VAT and your firm cannot recover it: at the UK standard rate of 20% listed by GOV.UK, £5,000 becomes £6,000, or 6.7 days at £900.

The threshold that turns this into a decision: if the break-even days exceed the new work you could realistically deliver in a month, the retainer cannot pay back however good the agency is. Long sales cycles make it worse; the consulting sales cycle guide covers how long that gap often runs. A revenue share has no fixed break-even line, because the fee is a percentage of revenue that has already been generated.

Full-service marketing or a performance model: which suits a UK consultancy?

A full-service marketing agency suits a UK consultancy that is unknown in its market, while a performance model suits one that already has enquiries and referrals going unworked.

Full-service agencies such as Mobas and Consortium build what a buyer checks before calling: a clear proposition, a credible website and thought leadership. That work compounds, but it is paid monthly whether or not a meeting results. A performance model such as LeadsNow turns the enquiries and dormant contacts you already hold into booked first meetings, and is paid on booked calls and revenue. If nobody books, or none of your meetings show, we eat the cost. Many consultancies need both in sequence. The pay-per-result versus retainer comparison sets out the trade-offs in general terms.

What UK rules apply when an agency markets a consultancy?

The Privacy and Electronic Communications Regulations 2003 (PECR) govern the calls, emails and texts a UK agency sends on a consultancy’s behalf, alongside UK GDPR.

• Email and texts to individuals (regulation 22): unsolicited direct marketing by electronic mail to individual subscribers needs prior consent, unless the sender obtained the details in the course of a sale or negotiations for a sale to that recipient, markets only its own similar products and services, and offered a simple opt-out. PECR defines “individual” as “a living individual” that “includes an unincorporated body of such individuals”, so sole traders and most partnerships outside Scotland are individual subscribers, which catches many independent consultants.
• Marketing calls (regulation 21): callers must not withhold their number (or must present a number they can be contacted on) and must not call a line whose subscriber has objected or that is on the register kept under regulation 26, the Telephone Preference Service; there is a 28-day grace period for newly listed numbers.
• Who is liable: PECR covers anyone who sends a marketing call or email or instigates it, so a consultancy that briefs an agency shares the exposure.

Questions to ask a UK marketing agency before a consultancy signs

A UK consultancy should ask a marketing agency five questions that reveal whether it will be judged on revenue or on activity.

1. Will you report booked meetings and signed fees, or traffic?
2. Which consultancy client can I speak to?
3. Is the price ex VAT, monthly or annual, and what is the minimum term?
4. Who follows up each enquiry and books it into my diary?
5. How do you comply with PECR and the TPS when you contact prospects on my behalf?

For other markets, see the US list of marketing agencies for consultants and the Australian list, and for UK coaches the UK business coach marketing agencies list.

Sources

1. Mobas: professional services
2. Mobas: About us
3. Consortium: packages and pricing
4. Consortium: professional services
5. Consortium: homepage
6. PECR regulation 22
7. PECR regulation 21
8. PECR regulation 2
9. GOV.UK: VAT rates