Every January, the same conversation happens. A business owner decides this is the year they take marketing seriously. They set a budget, usually somewhere between £1,000 and £5,000 a month, and then immediately spend most of it on Google Ads because that's the thing they've heard of.
By March, they've burned through £6,000 to £15,000, generated a folder of click reports they don't understand, and concluded that marketing doesn't work. Not because marketing doesn't work, but because they spent the money in the wrong places.
I've had this conversation with dozens of business owners over the past eighteen months. The pattern is always the same: decent budget, no structure, money concentrated in one channel, disappointment. So here's an honest breakdown of where a marketing budget should actually go for a B2B SME.
This is the part everyone skips. It's also the part that determines whether everything else works.
Research means understanding your market before you start spending money to reach it. Who are your best customers? What do they have in common? Who are your competitors really (not who you think they are, but who your prospects are actually comparing you against)? What channels do your buyers use to find solutions? What language do they use to describe their problems?
For a £3,000 monthly budget, 5% to 10% means £150 to £300 per month allocated to research. That's not a lot, and it shouldn't be. Research isn't a permanent line item. It's heaviest in the first two months (initial market analysis, competitor review, ICP development) and then reduces to a maintenance activity: tracking competitor changes, monitoring market shifts, refreshing your understanding quarterly.
The businesses that skip this step spend more money reaching the wrong people. The research pays for itself within the first campaign by ensuring your data, messaging, and targeting are pointed at the right audience from day one.
Your prospect data is the foundation of everything. Bad data means wasted money on every campaign that follows. Good data means every pound spent on outreach reaches someone who might actually buy.
At 15% to 20% of a £3,000 monthly budget, you're looking at £450 to £600 per month. Over a quarter, that's £1,350 to £1,800 for data building, verification, and enrichment.
What does that buy? Depending on your market size and complexity, it funds the identification and verification of 500 to 2,000 new contacts per quarter. That includes sourcing from Companies House, LinkedIn, and industry directories; email pattern verification; basic firmographic enrichment (company size, sector, location); and scoring to prioritise the best prospects.
This isn't a one-off spend. Data decays at roughly 30% per year in B2B. Contacts change jobs, companies relocate, email addresses become invalid. A portion of your data budget goes toward maintaining what you've already built: re-verification, updating records, and adding new contacts as your target market evolves.
Most businesses either spend nothing on data (relying on whatever contacts they've accumulated over the years) or overspend by subscribing to expensive platforms they don't fully use. A structured data investment in the 15% to 20% range gives you a growing, accurate prospect database without the overhead of enterprise-level data subscriptions.
This is the doing part. The campaigns, the emails, the phone calls, the LinkedIn activity. It's the largest portion of the budget because it's where pipeline gets generated.
At 30% to 40% of £3,000, you're working with £900 to £1,200 per month for outreach. Here's how that typically breaks down.
Email campaigns take the largest share. Sending infrastructure (dedicated domains, warming, sending platforms), campaign creation, and management. A good email campaign to 2,000 verified, segmented contacts costs less than most people think. The expensive part isn't sending; it's the data and content that makes the sending worthwhile.
Telemarketing, if your market supports it (and if you're selling B2B services over £5,000 annually, it almost certainly does), takes the second-largest share. Director-level calling isn't cheap because it requires experienced, knowledgeable callers, not a roomful of graduates reading scripts. But the cost per meeting booked through quality telemarketing is consistently lower than the cost per meeting through paid advertising for most B2B services.
LinkedIn outreach, whether organic (connection requests, direct messages, content engagement) or paid (sponsored content, InMail campaigns), takes the remainder. For most SMEs, organic LinkedIn outreach with a content strategy behind it delivers better ROI than paid LinkedIn advertising, which is notoriously expensive for small budgets.
Content is what makes outreach work. Without it, your emails are pitches, your LinkedIn is self-promotion, and your sales calls have nothing to reference.
At 15% to 20% of budget, you're investing £450 to £600 per month in content. That funds two to three blog posts, a case study or white paper spread across a quarter, and regular social media content.
The common mistake is treating content as an afterthought: the blog post nobody reads, written by whoever had a spare hour on Friday. Content should be strategically aligned with your outreach. If your email campaign targets warehouse managers, your blog should address warehouse challenges. If your telemarketer is calling finance directors, your LinkedIn content should demonstrate financial literacy.
Good content has a compounding effect. A blog post written in February continues generating traffic in August. A case study shared in an email can be referenced in a phone call three months later. The investment accumulates over time in a way that paid advertising doesn't; turn off the ads and the traffic stops immediately.
The tools that make everything else work. CRM, email platform, automation, analytics, reporting.
At 10% to 15%, you're budgeting £300 to £450 per month for technology. That's enough for a proper CRM (not the free tier with limitations that hamstring your workflow), a dedicated email sending infrastructure, basic automation, and analytics tools.
The temptation is to overspend here. As I wrote about last month, more tools don't automatically mean better results. Spend on technology that connects your data, outreach, and content into a coherent system. A CRM that your team actually uses is worth more than five specialist tools that nobody logs into.
For a business spending £3,000 per month on marketing, the split might look something like this.
Research: £200 per month (higher in months one and two, lower thereafter). Data building and maintenance: £500 per month. Email campaigns, telemarketing, and LinkedIn outreach: £1,100 per month. Content creation: £500 per month. CRM, email infrastructure, and tools: £400 per month. Reserve for testing and adjustment: £300 per month.
That reserve matters. No marketing plan survives contact with reality perfectly intact. Having 10% set aside to test a new channel, double down on what's working, or replace something that isn't gives you flexibility without blowing the budget.
Marketing ROI isn't instant. If anyone tells you it is, they're either lying or selling Google Ads.
Month one is setup: research, data building, infrastructure. Month two is launch: first campaigns, first calls, first content. Month three is iteration: what worked, what didn't, what needs adjusting. Meaningful pipeline usually appears between months three and six, with consistent results from month six onward.
A £3,000 monthly budget over six months is £18,000. For a B2B service business with an average deal value of £10,000 or more, you need to close two clients to see a positive return. Most businesses running a structured, data-driven marketing programme close more than that within the first six months.
The businesses that fail are the ones that spend £6,000 on Google Ads in January, see no immediate results, and conclude that marketing doesn't work. The businesses that succeed are the ones that invest consistently, measure properly, and give the system time to build momentum.
Martin Dugan, AA2
