Consulting business development: building a pipeline beyond referrals

Referrals work, which is why firms rely on them. In RSW/US's 2025 survey of marketing and professional services firms, 75% cite referrals as their best lead source. But the same research found that only 7% of firms report strong and growing pipelines, while 50% describe theirs as weak but improving and 10% say they are shrinking. RSW/US warns that relying on referrals is unsustainable. A source that is highly valued and yet leaves most firms with weak pipelines is not a growth engine; it is a ceiling. Strong relationships are an asset worth protecting, but a firm should know how much of its future depends on a few of them.

The problem is partly structural. Hinge Research Institute's survey of 523 professional services firms found that 81.5% had received a referral from someone who was not a client, which shows how many different people can influence a buying decision. It also shows how little control a firm has over them. At the same time, RSW/US found in 2025 that 51% of senior executives at professional services firms said that obtaining new business had been harder than the year before. Conditions are tightening just as many firms depend on the least controllable channel. A buyer who was introduced through a trusted contact still checks the firm online before a first meeting, which makes the quality of public evidence relevant even to referred work.

For a managing partner the consequence is exposure. Revenue concentrated in a handful of relationships, each owned by one partner, is vulnerable to retirement, conflict, a competitor's hire or simple inattention. It also makes the pipeline difficult to forecast, since referrals arrive irregularly and cannot be scheduled. A firm cannot plan hiring, or invest in capability, against a source that behaves like weather. Predictability is the first thing a systematic engine provides, and it is worth more than the extra volume. Seen from the partnership's side, the lack of predictability also makes it harder to agree investment, because nobody can say with confidence what next year's pipeline will look like.

Start by measuring. For the last twenty-four months, list every engagement, its origin, the partner who owns the relationship and the fee. Calculate the share of revenue that came from referrals, from existing clients, from inbound enquiries and from outbound activity. Identify the three relationships that account for most of the referral flow. This diagnostic is uncomfortable but essential, and it sets the baseline against which the new engine will be judged.

The buying process has moved away from the meeting. Gartner finds that buyers of complex B2B solutions spend only 17% of their purchase time meeting potential suppliers, and that a sales representative has roughly 5% of a customer's time during the buying journey. The typical buying group involves six to ten decision makers, each armed with independently gathered information. A partner who waits to be invited to the table is entering a conversation that has already formed opinions. The implication for a boutique is stark: much of the evaluation is done by people who never speak to the firm.

McKinsey's research on B2B growth reaches a similar conclusion. B2B customers now use an average of ten interaction channels in their buying journey, up from five in 2016, and 41% of respondents still prefer in-person channels when interacting with new suppliers. Both facts matter. Buyers want human conversations with advisers, but they gather their evidence digitally beforehand. Gartner adds that 77% of B2B buyers describe their latest purchase as very complex or difficult, which creates an opening for firms that make the decision easier. The McKinsey figures also remind us that no single channel is enough; buyers move between them, and the firm needs a coherent presence across all of them.

The implication is that the first conversation is not the first impression. By the time a partner meets a prospective client, the firm has already been judged on its website, its published views, its people's visibility and what peers say about it. An advisory boutique with strong delivery but little public evidence of its thinking is invisible in the stage where shortlists are formed. Equally, a firm with a clear point of view can enter a conversation already trusted.

Audit what a buyer would find if they searched for your firm and its partners today. Check whether your site states clearly who you serve and what problems you solve, whether recent thinking is easy to find, and whether the profiles of your partners support the same story. Fix the gaps in order of visibility. Then map the six to ten people who may influence a typical purchase, and decide how you will reach each of them over the sales cycle. Review the map every quarter, since buying groups change as organisations restructure.

Thought leadership is often dismissed as marketing, yet the evidence of commercial effect is strong. The 2024 Edelman and LinkedIn B2B Thought Leadership Impact Report surveyed 3,484 global business executives. It found that 86% of decision-makers said strong thought leadership would make them moderately or very likely to invite an organisation to participate in the RFP process. Seventy-three per cent said it is a more trustworthy basis for assessing an organisation's capabilities than marketing materials, 60% said it makes them willing to pay a premium, and 60% said it prompted them to research the organisation's offers. The report is global, so its figures should be read as indicative of senior buyers across markets, including Europe, rather than of any one country.

The audience is also paying attention. Edelman and LinkedIn found that 54% of C-suite executives spend an hour or more per week reading thought-leadership content. Hinge Research Institute's work on referrals adds a link to pipeline: among expertise-based referrals, 30% followed speaking engagements, 20% articles or blog posts and 17% social media interactions. Visible expertise is what makes people willing to recommend a firm to someone else, which means content serves both direct enquiries and the referral channel the firm already depends on. Taken together, the two sources suggest that content is not a substitute for relationships but a way of earning the right to have them.

For a boutique, the implication is that partner knowledge is the raw material, and the constraint is capture. Partners have views on their sector every week, in client conversations, in proposals and at events, but little of it becomes a published asset. A content engine converts that knowledge at low marginal cost: one point of view becomes an article, a short talk, a LinkedIn sequence and a briefing for the outbound team. Quality matters more than volume, and each piece should be specific enough that a buyer could act on it. Avoid generic commentary; buyers can find that anywhere, and it rarely changes a decision.

Appoint an editor, who need not be a partner, and agree a quarterly agenda of four to six themes tied to the problems you want to be hired for. Schedule a monthly interview with each partner to capture insight, then produce one flagship piece per theme and derivatives from it. Track which pieces lead to conversations and which partners are invited to speak, and use that evidence to refine the agenda each quarter. Resist the urge to gate everything; the first objective is to be read, shared and remembered.

Many partners distrust outbound because they have seen it done badly: mass messages, generic claims and no relevance. The alternative is account-based outreach to a defined list of organisations where the firm has a credible reason to be heard. RSW/US reports that 77% of firms are already using AI for business development and 80% plan to expand its use. Research, drafting and list preparation are being accelerated; what remains scarce is the judgement about whom to approach and what to say. Used carefully, such tools let a small team do the preparation that once needed a researcher, but they do not remove the need for relevance.

Account-based work suits advisory firms because the number of ideal clients is small and the buying group is large. Gartner's finding that complex purchases involve six to ten decision makers argues for contacting several roles in the same organisation, with messages tailored to each one's concerns, over a period of weeks. A single email to a chief executive is unlikely to carry a purchase; a sequence of relevant touches to a finance director, an operations lead and a chief executive, supported by useful content, is far more plausible. This also protects the firm against dependence on a single contact who may leave, move or stop replying.

The implication is that outbound should be run as a disciplined, small-scale programme rather than a campaign. Choose fifty to a hundred target organisations with a clear fit, research each one, and prepare a short, specific reason for contact grounded in something the firm knows about their sector or situation. Partners should be involved only where it adds credibility, such as signing a note or attending a first conversation. The coordinator handles the sequence, the tracking and the follow-up. Keep the volume deliberately low: a hundred well-researched approaches will usually outperform a thousand generic ones.

Define the ideal client in measurable terms: sector, size, situation and trigger events such as a leadership change, a transaction or a regulatory deadline. Build the list, rank it by fit and by existing connections, and assign each account an owner. Draft two or three message variants per segment and test them for a month. Record responses carefully, and drop approaches that do not produce conversations. Remember that consent, privacy and marketing rules apply to every message.

Advisory work is hard to buy because its scope is uncertain and its price is a negotiation. Firms that package part of their expertise into defined offers reduce that friction. RSW/US found that 62% of firms are packaging services into productised offerings, and 86% plan to increase this approach. An entry offer might be a diagnostic, a readiness review, a benchmark or a short sprint with a fixed fee, a clear output and a natural next step. It converts an abstract conversation into a decision. For a boutique, the discipline of designing such an offer also forces clarity about what the firm is genuinely best at.

Gartner's research on buying experience points to why this helps. Buyers who received helpful supplier information were 2.8 times more likely to experience a high degree of purchase ease, and Gartner also finds that 77% describe their latest purchase as very complex or difficult. A well-defined offer is a form of helpful information: it tells the buyer what they will receive, how long it will take and what it costs. It also gives the firm a low-risk way to demonstrate quality before a larger mandate is discussed. The offer should therefore be written from the buyer's perspective, in terms of the decision they need to make, not the activities the firm will perform.

For the managing partner, the benefit is both commercial and operational. Entry offers shorten the time between first conversation and first fee, give the business development team a concrete proposition to put in outreach and content, and let the firm test demand for a service before building it fully. They are also easier to staff, since scope is fixed. The risk is cannibalising larger engagements, which can be managed by designing the offer so that it ends in a decision point, not a final answer. A fixed scope also makes it easier to be honest with a prospect when the firm is not the right fit.

Design two entry offers around the problems your content already addresses. For each, write a one-page description with the problem, the method, the deliverable, the duration, the price and the typical next step. Test them with five existing contacts before using them in outreach. Review conversion after a quarter: how many conversations became offers, how many offers became larger engagements, and what the firm learned about the buyer's questions.

A partnership optimises for delivery and professional standards; a sales team optimises for pipeline. The two can coexist, but only if responsibilities are explicit. Without them, business development defaults to the partner with the most time or the least billable work, and effort is inconsistent. RSW/US reports that just 7% of firms have strong and growing pipelines. The rest are, in effect, running business development as an activity rather than a system, and results follow accordingly. Moving to a sales-team model is a cultural change as much as a process change, and it should be introduced with the partners' agreement.

A workable structure has four parts. A business development lead is accountable for pipeline coverage and reporting. Partners own named accounts and a small number of weekly activities, such as two personal outreach messages, one conversation with a referrer and one piece of content shared. A coordinator runs the list, sequences and the CRM. A fortnightly pipeline review examines each opportunity by stage, next step and owner. Each element is routine, and together they create predictability. Write down each role in a single paragraph, so that nobody is unclear about who is responsible for what.

The implication is that metrics should be few and tied to commercial outcomes. Track target accounts contacted, replies, qualified conversations, proposals issued, proposals won and pipeline value by stage. Use ratios between stages to forecast: if one qualified conversation in four becomes a proposal, you can calculate the conversations needed for a target number of mandates. Gartner's finding that a sales representative has roughly 5% of a customer's time is a reminder that every touch should carry value, not just a request. Keep dashboards simple enough to be read in five minutes, because complicated reporting is quickly ignored.

Set weekly activity targets that partners can realistically meet, and report them openly at the pipeline review. Celebrate conversations, not only wins, since conversation volume is the leading indicator. Review the data quarterly, and adjust list, message and offer according to what the numbers show. Give the coordinator authority to chase partners politely and consistently. The aim is a rhythm the firm can sustain through busy delivery periods, because pipelines collapse when business development stops during them.

Top-down market sizing offers false comfort. Estimates of the global consulting market vary widely by source: FEACO estimates the market at nearly $280 billion, while Source Global Research provides a more conservative figure of $120 billion. Differences of that scale reflect definitions, not just measurement error. For a boutique targeting a few hundred organisations in specific sectors and countries, the number that matters is not the market but the accounts that fit and the share of them that can be reached. Treat any single estimate as one view of the market rather than as a fact.

Demand also moves in cycles. Source Global Research estimated that UK consulting grew by 13% in 2021 and 15% in 2022, then reported a 3.4% contraction in the most recent year covered by the article. A market that can expand sharply and then contract quickly rewards firms with steady pipelines and punishes those that stop selling when they are busy. Published sizing is mostly global or UK-specific; European boutiques should treat it as context and rely on their own account-level evidence. This is another reason to sell consistently rather than in bursts, and to keep a warm pipeline when current work is heavy.

The implication is that a boutique should plan its pipeline from the bottom up. Count the organisations that match the ideal client profile in each target country and sector, estimate the share you can credibly reach in a year, apply realistic conversion rates and compare the result with the revenue target. If the arithmetic does not close, the firm has three options: widen the target list, improve conversion with better offers and content, or raise average fee. All three are decisions the partners can take. The arithmetic is simple but powerful, and it turns a vague ambition into a set of choices.

Build a simple pipeline model with six lines: target accounts, accounts contacted, replies, qualified conversations, proposals and wins. Fill it with your own conversion rates from the last two quarters, and update it monthly. Share it with the partners and use it to decide where to add effort. If a country or sector is not producing conversations after two quarters, change the approach or redirect the effort, and keep the evidence for the next planning discussion.

Karter McKinley supports boutique advisory firms through its Commercial Growth and Sales Execution service. We help define target accounts and offers, set up the outbound and content engine, and install the cadence, CRM and reporting that let partners focus on conversations. All outreach is designed to respect consent, privacy and marketing rules in each market.