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Selling Services And Consulting: How to Build Trust and Demonstrate ROI in B2B Sales

by | Mar 16, 2025

Home » Sales » Selling Services And Consulting: How to Build Trust and Demonstrate ROI in B2B Sales

Have you ever wondered how selling services and consulting is important in sales? I’ve spent a good portion of my career helping B2B sales professionals across Australia sell consulting, auditing, and other intangible services. Unlike physical products, these services are notoriously hard to convey to a potential buyer—there’s nothing to touch, test, or ‘see’ in action.

Yet, the opportunity here is immense. For instance, Australia’s management consulting sector alone generates around A$45.5 billion in annual revenue and is home to roughly 95,000 consulting businesses. Clearly, there’s no shortage of demand, but the challenge lies in convincing sceptical buyers that the “invisible” solution on offer can truly deliver results.

Why Intangible Services Are So Tough to Sell

In my experience, the biggest hurdle is risk perception. With consulting, audits, or implementation work, prospects can’t simply try before they buy. The value only becomes clear after they’ve invested time, money, and resources. B2B buyers worry about ROI—how do they know a consultant’s recommendations or an implementation strategy will genuinely produce measurable outcomes?

I’ve encountered plenty of clients who’ve been burnt in the past. In fact, in one survey of consultants, 27% of buyers admitted that uncertainty over ROI was the number one reason they hesitated to sign on the dotted line.

When decision-makers struggle to see tangible proof of success upfront, they instinctively dig in their heels. So, building confidence from the get-go is key.

Building Trust from the Outset

Over the years, I’ve found that trust is built (or eroded) during every stage of the customer’s journey, long before any contract is signed.

Here are a few strategies that have proven highly effective:

  1. Leverage Social Proof
    I always recommend showcasing case studies, testimonials, and references from satisfied clients. Past successes give your offering a tangible dimension. Hearing that a similar organisation saved $500,000 or grew revenue by 15% thanks to your methods can powerfully shift the conversation from “Tell me why this will work” to “How soon can we start?”
  2. Demonstrate Expertise and Authority
    In consulting, credibility is everything. I’ve seen firms successfully carve out a niche by specialising in particular industries—be it mining, finance, or healthcare. That focus assures prospects that the consultant understands their world intimately. Sharing thought leadership, whether through blog posts, whitepapers, or webinars, also helps position you as a genuine expert rather than just another service provider.
  3. Back Up Claims with Credentials and Standards
    In Australia, many consulting and auditing practices align themselves with reputable bodies—be it CPA Australia, the Certified Management Consultant (CMC) credential, or government-approved panels. These credentials act as trust badges, giving buyers added reassurance. Especially in light of recent scrutiny around government consulting, demonstrating strong ethics and transparency goes a long way towards establishing credibility.

B2b Sales Graph

Making ROI Crystal Clear

One thing I’ve learnt is that you should never wait until after the project to talk about results. Buyers are hungry for numbers—and you need to serve them up early on as part of your post-sales support.

  • Identify Relevant Metrics
    Whether you’re promising cost savings, improved process efficiency, or revenue growth, make those KPIs explicit. For instance, if you offer process improvement consulting, you might highlight a specific client who cut inventory costs by 15% and freed up hundreds of thousands of dollars in working capital.
  • Use Pilot Projects or Assessments
    I often suggest a shorter “diagnostic phase” to show early wins. It could be a one-month audit or a six-week strategy workshop. This smaller engagement helps quantify possible improvements. If prospects can see potential savings or gains upfront, they’re more inclined to commit to a larger project.
  • Regularly Report on Progress
    During delivery, showing ongoing results—be it via monthly dashboards or interim presentations—keeps everyone motivated and assured. By the end of the engagement, you’ll have a solid before-and-after snapshot that becomes a powerful case study for your next deal.

Sales Graph

Examples from Australian Firms

One example that stands out to me is a niche marketing consultancy (similar in approach to TrinityP3) that significantly grew its inbound leads by sharing in-depth blog content and LinkedIn insights—free guides, data analyses, and trend reports. Their website traffic soared, and they converted those readers into paying clients, simply because prospects felt, “These people clearly know their stuff.”

Larger firms, like Deloitte, often publish “Impact Stories” detailing how they’ve helped clients achieve specific targets—like improving compliance, reducing operational costs, or enhancing customer satisfaction. This detail-driven approach further underscores the importance of turning intangible expertise into tangible, data-backed outcomes.

Selling Intangible Services

Selling the intangible is undeniably challenging, but it’s also incredibly rewarding. I’ve seen countless businesses flourish by proving their value through trust, authority, and data. In an environment where more than half of Australian organisations involve a broad committee in purchasing decisions, the ability to speak directly to ROI and risk mitigation is critical.

Ultimately, the secret to success is making the invisible visible. From the moment you first connect with a prospective client, focus on illustrating real-world success, quantifying potential ROI, and demonstrating industry expertise. By doing so, you’ll empower buyers to confidently place their faith in your consultancy, audit, or implementation service—and you’ll stand out in a crowded marketplace where trust makes all the difference.

At Sales Masters, I’ve worked alongside countless B2B professionals across Australia who are determined to elevate their sales approach. If you’re looking to refine how you position and sell intangible services, remember: authenticity, data, and genuine expertise will always trump flashy sales pitches. After all, the best way to sell the invisible is to make it absolutely clear that you can—and will—deliver tangible results.

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About The Author

Peter McKeon

Peter McKeon

Founder & CEO

Peter McKeon is a B2B sales performance expert with over 30 years’ experience. Founder of Salesmasters International, he specialises in guiding SME sales teams from average performance to excellence. By focusing on new selling skills and behaviour, Peter helps businesses accelerate sales success.

As a past Vice President of the Chamber of Commerce & Industry Queensland, his industry insights have supported some of Australia’s top brands. With a passion for turning potential into performance, Peter partners with clients to streamline sales processes, develop strong leadership, and achieve outstanding results.