A professional services firm sells the time of the people on its website, so the people page is the financial statement. Knowing how to research professional services companies for sales means reading a law, accounting, consulting, engineering, or agency firm the way its partners do: how many partners, how many fee-earners behind each one, which practice groups are growing, and which offices opened or closed in the last two years. Firms publish almost nothing about their finances, but they publish everything about their people, their practices, and their thinking, and each of those is a proxy for revenue, strategy, and appetite. Public registries fill the gaps: PCAOB records for audit firms, the SEC's adviser database for firms with an RIA, state bar records for lawyers, and federal spending data for anyone with government clients. The checklist below is that reading order. The prompt under it does the reading and marks what it confirmed against a registry versus what it inferred from the site.
What is different about selling into Professional Services
Partnerships buy by consensus, and every dollar spent on a tool is a dollar not distributed to partners at year end, so the question under every purchase is whose take-home this reduces and why they should agree. Fiscal years vary, and the weeks before year end are frozen. At firms under about 50 partners, the managing partner and a technology or operations committee decide, slowly. Above that, a COO, CIO, or Chief Marketing Officer owns the budget and a partner sponsor is still required for anything fee-earners will touch. Utilization runs the culture, so anything that costs billable hours to learn fights the compensation plan. The misread that ends credibility is treating the firm like a corporation: asking for the CEO, saying 'customers' instead of 'clients', or pitching the marketing team on something that lives in the practice groups. Partners hear the vocabulary and file you accordingly.
How to research professional services companies for sales: the checklist
Count the people first, then read the practices, then check the registry that governs the firm. Fifteen minutes across those settles the size, the strategy, and the regulator; the rest of the checklist tells you what to do with them.
You are researching {{company}} ({{company URL}}), a professional services firm, so I can sell {{our product}} to them. Read their people or professionals page, practice or services pages, insights or publications, careers page, and news page.
Produce a one-page brief:
1. Firm type and ownership: law, accounting, consulting, engineering, or agency; partnership, private company, network member, or private-equity owned.
2. Size and shape: partner count, total fee-earners, staff-to-partner ratio, offices, and headquarters.
3. Practices: the service lines, which ones the firm is publishing about and hiring into, and the partners who lead them.
4. Systems: document management, practice management, time and billing, CRM, and marketing tools named in job posts.
5. Change: lateral hires, mergers, new offices, leadership changes, and any regulatory or inspection findings.
6. Likely budget owner for {{our product}}, the partner who would need to sponsor it, and the committee step that will slow the deal.
Tag every line Confirmed (cite the page or registry) or Inferred (state the reasoning). Where the site does not say, write 'Not stated' and name the registry that would, the PCAOB, the SEC's IAPD, a state bar, or USAspending. Close with three questions to ask on the first call.- The people or professionals page, counted: partners or principals, associates and staff, practice groups, and offices, which together give you the revenue band, the staff-to-partner ratio, and where the firm is concentrated.
- The practice areas or services page and the recent insights or publications: what the firm writes about is what it is selling this year, and the authors are the partners who own those practices.
- The careers page filtered to business services roles: job posts for marketing technology, knowledge management, finance systems, or IT name iManage, NetDocuments, Elite, Aderant, Deltek, Workday, or a specific CRM, and show which functions are being built out.
- The news page for lateral partner hires, office openings, mergers, and leadership changes: each one is a strategy decision the firm chose to announce.
- The registry that governs the firm: PCAOB registration and inspection reports for audit firms, the SEC's Investment Adviser Public Disclosure for firms with an RIA, state bar records for lawyers, and Clutch profiles for agencies.
- A lateral partner or group hire in a named practice: a bet on that practice with new clients, new matters, and a sponsor who arrived with opinions about tools.
- A merger or combination between firms: two of every system, two partner compensation models, and a two-year integration that reopens every vendor relationship.
- A new managing partner, COO, or CIO: a review of everything, and a mandate to change something visible in the first year.
- A new office or a practice group launched in a new market: growth spend with a hiring plan, a marketing push, and a local systems footprint.
- A PCAOB inspection report with deficiencies, a public settlement, or a malpractice matter in the news: a quality and risk program funded under pressure, and a general counsel or risk partner with authority to buy.
- What kind of firm, law, accounting and advisory, management or technology consulting, engineering, or agency, and is it a partnership, a private company, or owned by a network or private equity?
- How large, in partners and fee-earners, and what is the staff-to-partner ratio and the office footprint?
- Which practices or service lines are growing, judged from hires, publications, and announced wins?
- Which systems run the firm, document management, practice management, time and billing, CRM, and who owns each one?
- Who signs for what I sell, the managing partner, the executive committee, or the COO or CIO, and which partner has to sponsor it?
- The PCAOB's registered firm list and inspection reports for audit firms, and the SEC's Investment Adviser Public Disclosure for any firm with a registered investment adviser.
- State bar association directories and Chambers and Partners rankings for law firms; Accounting Today's Top 100 Firms list for accounting; Clutch for agency and IT services reviews.
- USAspending.gov and SAM.gov for firms with federal contracts, which show contract values, agencies, and NAICS codes.
- The firm's own people, careers, and news pages, which carry more usable data than any third-party source for a private partnership.
Count the partners before you read a word of the About page; partner count times a defensible revenue-per-partner figure is the only revenue estimate you will get for a private firm.
Run the research on a real account
The checklist treats a 12-partner regional accounting firm and a 900-lawyer global practice as the same account, and the buyer at each is a different person with a different veto. Hand Claude the URL and let it do the counting. It counts the people page, reads the practices and the job posts, then returns the checklist sized to this firm, with each signal marked as seen, not seen, or unverifiable from public sources.
I sell {{our product}} to {{buyer persona}} at professional services firms. I am researching {{company}} ({{company URL}}).
Read their people, practices, careers, and news pages, plus anything public you can reach. Tell me first: the firm type (law, accounting, consulting, engineering, agency), the ownership structure, the partner count, and the total fee-earners if the site allows a count.
Then rewrite the research checklist below for this account. Remove items that do not apply to this firm type or size, reorder the rest by relevance to a {{our product}} conversation, and for each signal state whether you saw it, did not see it, or could not check.
Name the person most likely to own the budget for {{our product}} at a firm this size, the partner who would need to sponsor it, and the committee step that will slow the deal. Mark everything Confirmed or Inferred.
CHECKLIST:
{{paste the checklist above}}Research any account with Claude
- Account brief skill →The Claude skill that turns a company URL into a source-grounded first-call brief, plus the account plan template.
- 90-second account brief prompt →The copy-paste prompt version for one account, right now.
- Account brief from a URL, the use case →The full play, with the tool chain that researches every account on the list before the first call.
Frequently asked questions
How do you research professional services companies for sales?
Count the people page first: partners, fee-earners, practice groups, and offices give you size, staff-to-partner ratio, and concentration, which is most of what a private firm will ever disclose. Then read the practice pages and recent publications to see what the firm is selling this year, and the careers page for the systems named in business-services job posts. Check the registry that governs the firm, the PCAOB for audit, the SEC's adviser database for an RIA, or the state bar, and the news page for lateral hires and mergers. That sequence produces a brief a managing partner will recognize.
How do you estimate a law or accounting firm's revenue without a filing?
Multiply the partner count by a revenue-per-partner figure appropriate to the firm's tier and market, and treat the result as a band rather than a number. Published league tables give you the range: a regional accounting firm and a global law firm sit at very different revenue-per-partner levels, and the staff-to-partner ratio moves the estimate up or down within that range. Cross-check against headcount on the people page, office count, and whether the firm appears on public rankings such as Accounting Today's Top 100 or Chambers. Present it on the call as an estimate and let the partner correct you.
Who signs a vendor contract at a partnership?
It depends on the size and on what the tool touches. At a small firm, the managing partner signs after a partners' meeting, and the decision can take a quarter because every partner's distribution is affected. At a mid-size firm, a COO or director of administration owns the budget for business services and a technology committee reviews anything fee-earners will use. At a large firm, the CIO, COO, or CMO signs within a threshold and the executive committee above it, but a practice-group partner still has to sponsor anything that changes how lawyers or accountants work. Find the sponsor before the signer.