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Updated October 2026

License your bookkeeping practice's data to AI buyers

Independent and sourced. We feature companies that pay us a referral fee. Our scores and reviews don't change for it. How we earn

Nyne buys from QuickBooks, Xero and NetSuite, and Endless, a broker, lists month-end close and reconciliation as in scope for accounting firms while excluding client books.1,2

Match my practiceWhat is it worth?
Two bookkeepers at a shared desk sorting a pile of paper receipts beside a laptop, one ticking items off a printed list

A bookkeeping practice does the same close for dozens of clients every month, and each one is slightly different. Bank feeds need categorizing, receipts go missing, a client buys a truck and nobody says whether it was financed, a vendor is paid twice. The bookkeeper's skill is the set of rules and questions that turn that mess into a clean set of books by the tenth of the month, and most of it lives in checklists, Slack threads and the request emails clients ignore until the third reminder.

That repeatable close is close to what buyers ask for. Nyne buys data from QuickBooks, Xero and NetSuite. Troveo's financial guide lists close files among the records it licenses. micro1 asks for well defined workflows employees repeat. Bookkeeping clerks score 98 out of 100 on O*NET's email scale.

The difficulty is plain: almost everything a bookkeeper touches sits inside the client's own books. Endless lists client onboarding, month-end close, reconciliation and SOPs as in scope for accounting firms and excludes client books, and Polyshares excludes data held on behalf of clients. So the practice's method, the part least tied to any one client, comes first: the close checklist, categorization rules by industry, request templates, QA steps and onboarding playbook. Raise the client ledgers themselves with the licensing company before anything is exported.

US bookkeeping and other accounting services firms with 10+ employees

3,8594

US bookkeeping and other accounting services firms with 10+ employees

of them with 30+, micro1's floor

1,2394,5

of them with 30+, micro1's floor

O*NET email score for bookkeeping clerks

98/1006

O*NET email score for bookkeeping clerks

Worth

What a practice's data may be worth

Pre-set for a typical practice: 25 staff and 8 years of records. No buyer publishes pricing by industry, so industry does not move the band. Our estimate, not a buyer quote.

Buyers

Which buyers want this data

Each reason is the buyer's own published statement about the tools, data or industries it takes, matched to how bookkeeping practices work.

Featured partners

  1. #2 in our ranking

    7.4 out of 10

    Polyshares

    Buys Slack, email, spreadsheets and accounting exports, and says data held on behalf of clients is excluded, which sets the scope question early.12,13

    Typical payout
    $100K to $2M+, Polyshares says9
    Fees
    None, Polyshares says14
    Time to get paid
    An offer in 1 to 2 weeks, then paid in 30 to 60 days15

    Watch out for: Exclusive by default, and every deal it lists is exclusive with no end date.16,17

    Get matchedRead the reviewVisit Polyshares

Everyone else we reviewed

By score, with full reviews. We have no referral agreement with these companies, so we do not link out to them.

  1. #4 in our ranking

    7.0 out of 10

    Nyne AI

    Buys from QuickBooks, Xero and NetSuite and takes firms from 20+ US W-2 employees and 3+ years, the profile of a growing bookkeeping practice.1,18

    Typical payout
    $100K or more, Nyne says19

    Watch out for: Pays only after the dataset is accepted, and publishes no timeline.20

    Read the review

  2. #9 in our ranking

    5.8 out of 10

    Troveo

    Its financial-firm guide names accounting practices and lists close files and workpapers, and it starts with a free value assessment.21,22,23

    Typical payout
    Six figures and up for a whole company, Troveo says24
    Fees
    A share of the revenue; the percentage is not published25

    Watch out for: You are paid from a revenue share, so ask what percentage you keep.25

    Read the review

We feature buyers that pay us a referral fee. Our scores and reviews don't change for it. How we earn. No buyer publishes prices by industry, so within each group the order is the same as in our main ranking.

Buyer demand

How buyers' own tools rate bookkeeping practices

No buyer publishes a price list by industry. These are settings inside buyers' and brokers' own estimators and intake forms, read from their public pages on 2026-10-14. They show how each company sorts industries, not what any practice was paid. The category shown is the one a practice would most likely pick; that match is ours.

How buyers' tools rate bookkeeping practices
CompanyIts categoryHow it rates the industry
TroveoBuyerAccounting, tax or bookkeepingTier 1 of 4: "Buyers pay a premium for data from your industry." Price factor 1.3 in its estimator.26
PolysharesBuyerAccounting and taxMarked premium in its intake list27
VMSBrokerAccountingStandard weight in its estimator (factor 1.12)28
VentraBrokerLegal, healthcare, financial services or accountingSays it cannot take these industries right now29

Size rules buyers publish

Checked against 25 staff, the typical practice size this page's calculator is set to. Ask each buyer whether contractors and part-time staff count.

  • PolysharesBuyer

    No headcount rule; the length and texture of the record matter more30

    No floor stated

  • MercorBuyer

    None stated31

    No floor stated

  • TroveoBuyer

    No minimum stated; its estimator starts at 2032

    No floor stated

  • NyneBuyer

    20+ US W-2 employees and 3+ years18

    Clears it at 25 staff

  • Handshake AIBuyer

    20+ full-time employees and 3+ years33

    Clears it at 25 staff

  • micro1Buyer

    30+ employees (its partnership page says 30 to 200)5,34

    Below it at 25 staff

  • PewterBroker

    20+ staff and 3+ years35

    Clears it at 25 staff

  • EndlessBroker

    Roughly 30+ employees36

    Below it at 25 staff

  • VentraBroker

    30+ US employees and 3+ years of records37

    Below it at 25 staff

  • SupersoniqBroker

    50+ employees and 5+ years38

    Below it at 25 staff

What buyers value

What in a practice's records buyers value

The column on the right is not legal advice: it lists what to raise with the buyer before anything is exported.

What in a practice's records buyers value
DataWhere it livesWhy a buyer values itRaise with the buyer
Month-end close checklistKarbon, Financial Cents or a spreadsheetThe ordered steps the practice runs for every client, with the exceptions it learned to check for.Nothing specific
Categorization rules by client industryInternal wiki, bank rules in QuickBooks Online or XeroHow the practice decides where a transaction belongs for a restaurant versus a contractor, the core judgment of the job.Rules that name a specific client's vendors or accounts.
Client request and reminder templatesEmail, client portalThe wording that gets missing receipts and statements back, refined across hundreds of clients.Nothing specific
Reconciliation and QA review stepsWritten SOPsHow a senior checks a junior's close before it goes to the client.Review comments written on real client files.
Team Slack or Teams historySlack or Microsoft TeamsQuestions juniors ask about odd transactions and the answers seniors give, a running record of judgment.Messages that quote client transactions or balances.
Client books and transaction historyQuickBooks Online, Xero, NetSuiteThe richest record of categorization decisions, and the one Nyne's tool list points to.Whether any client ledger can be part of the package at all.

A week of records

A week of data at a practice

  • Monday: reminder emails go to 42 clients still missing statements, from the second-reminder template.
  • Tuesday: a junior asks in Slack whether a client's equipment purchase is an expense or an asset; a senior answers with the rule.
  • Wednesday: twelve closes reviewed against the QA checklist; three sent back with notes.
  • Thursday: a new restaurant client is onboarded with the industry's starting chart of accounts.
  • Friday: the owner updates the categorization wiki after a rule change at the bank-feed provider.

Software

Software bookkeeping practices run on

Process

How it works with each buyer

In each buyer's own published words. Where a buyer publishes nothing, we say so rather than guess.

Polyshares

What it buys
Slack, email, Drive, CRM, tickets, design files, calls and ERP12
Offer range
$100K-$2M+9
Personal data
A third-party PII partner scrubs data before it is licensed39
Excluded data
Data held on behalf of clients is excluded13
Fees
Charges sellers no fee14
Time to offer and payment
Offer 1-2 weeks after intake; paid Net 30-6015

Nyne AI

What it buys
QuickBooks, Xero, NetSuite, Salesforce, HubSpot, Asana and Jira1
Who qualifies
20+ US W-2 employees and 3+ years in business18
Offer range
$100K or more19
Offer policy
Says it beats written offers from other buyers40

Troveo

Deal structure
Licensing, not sale, on a revenue share (percentage not published)25
First step
Free value assessment, then scoping23

Selling or closing

Selling or closing your practice? License its data first

Bookkeeping practices are bought for their recurring client base, and owners already search whether a bookkeeping business can be sold. The method behind that recurring revenue (checklists, rules, templates) is rarely priced in the sale. If you are selling or retiring, ask each licensing company whether that method library can be licensed first, separately from client books. Pewter says it takes firms that are winding down or closed, as long as the records still exist.3

Selling your business Closing your company

FAQ

Bookkeeping and accounting services: questions, answered

  • Accounting work is on buyers' lists: Nyne buys from QuickBooks, Xero and NetSuite, and Troveo's financial guide names accounting practices. The usual starting point is the records least tied to any one client; Endless lists onboarding, close, reconciliation and SOPs as in scope and excludes client books.1,21,2

  • The method. Your close checklist, categorization rules, request templates and QA steps describe how the practice works, and SOPs and templates are on micro1's list. Client ledgers are the part to raise with the buyer, since Polyshares, for one, says it excludes data held on behalf of clients.41,13

  • Accounting is one of the domains Invisible says it draws reinforcement learning tasks from, and accountants are a GDPval occupation. A practice's categorization rules and close steps describe exactly the decisions an accounting agent would have to make.42,43

  • Most buyers want 20 to 30 or more, and a few state no minimum. Nyne asks for 20+ US W-2 employees, Goldmined.ai for 20 desk-based staff, and micro1 for 30+ (1,239 US firms in this category had 30+ in 2022). Jottings and Troveo state no headcount minimum. Contractors may not count toward a W-2 floor, so ask.18,44,5,4,45,32

  • Pewter claims $280K for an accounting group's workpapers, workflows, templates and internal communications; it is Pewter's own unverified claim and names no firm. Across buyers, published ranges mostly run $100K to $2M as their own claims: Nyne says $100K or more is typical, and Cognor Labs and Ventra quote $100K-$2M.11,19,46,47

  • Nyne names QuickBooks, Xero and NetSuite. Mercor connects to Slack, Teams, Gmail, Outlook and Drive, and Polyshares lists Slack, email, Drive and ERP exports. Most practices hold their method in the chat and document tools, and client history in the ledgers.1,48,12

  • Most buyers pay within 2-8 weeks of signing. Mercor wires 2-4 weeks after signing, Polyshares pays on Net 30-60 terms, and Your Data Value describes 30-60 days from form to payment. Troveo licenses on a revenue share, so it pays over time rather than once.49,15,50,25

  • We do not answer legal questions. Ask the licensing company: their team reviews this with you before anything is signed.

  • We do not answer legal questions. Ask the licensing company: their team reviews this with you before anything is signed.

  • We do not answer legal questions. Ask the licensing company: their team reviews this with you before anything is signed.

  • We do not answer legal questions. Ask the licensing company: their team reviews this with you before anything is signed.

Before you sign

Legal questions go to the licensing company

We do not answer legal questions. Ask the licensing company before you sign: their team reviews these with you.

Questions for this kind of business

  • How does your review treat client financial data under the GLBA Safeguards Rule?
  • Do our client engagement terms limit use of anything we produce inside their books?
  • How are client names, vendor names and bank details removed, and do we approve the sample?
  • Who owns this data: the company, an estate, or someone else?
  • How do CCPA, GDPR, UK GDPR and state privacy laws apply, and is de-identified data still personal information?
  • Do customer, vendor or platform contracts, NDAs or API terms restrict this?
  • Do professional rules apply (AICPA, IRC 7216, HIPAA, ABA Model Rule 1.17, insurance agency contracts, adviser rules, state boards)?

Questions for any buyer

  • Is the license exclusive, and for how long?
  • Can you sublicense the data, and to whom?
  • Which AI labs will receive it, and will you tell us?
  • How long do you keep it, and how is it deleted?
  • What is your liability cap, and who indemnifies whom?
  • Will the contract ban re-identification of people in the data?
  • Who removes personal data, by what method, and do we approve it first?

Proof

Deals in this kind of business

  • Pewter, a broker, says an unnamed accounting group licensed workpapers, client service workflows, templates, internal communications and operating documents for $280K. This is Pewter's own claim and has not been independently verified.11

How this page was made

Every figure comes from a published source listed below, each with the date we checked it. Buyer statements are the buyer's own claims and are marked so in the source list. Firm counts come from the US Census Bureau's Statistics of US Businesses. Anything marked as our estimate is ours, not a buyer quote.

Drafted with AI assistance from our research files, then checked against each source. Reviewed 14 Oct 2026. Last updated 14 Oct 2026.

We feature companies that pay us a referral fee. Our scores and reviews don't change for it. See how we earn and how we rank. This site does not give legal, tax or financial advice.

Sources (50)

  1. 1.Nyne sell-company-data page. Accessed 14 Oct 2026. Company's own claim.
  2. 2.Endless website. Accessed 14 Oct 2026. Company's own claim.
  3. 3.Pewter website. Accessed 14 Oct 2026. Company's own claim.
  4. 4.US Census Bureau, Statistics of US Businesses 2022. Accessed 14 Oct 2026.
  5. 5.micro1 company referral page. Accessed 14 Oct 2026. Company's own claim.
  6. 6.O*NET OnLine, E-Mail work context. Accessed 14 Oct 2026.
  7. 7.Forbes, published 16 Apr 2026. Accessed 14 Oct 2026.
  8. 8.micro1 company referral page. Accessed 14 Oct 2026. Company's own claim.
  9. 9.Polyshares website. Accessed 14 Oct 2026. Company's own claim.
  10. 10.Bloomberg Law, published 17 Aug 2026. Accessed 14 Oct 2026.
  11. 11.Pewter website. Accessed 14 Oct 2026. Company's own claim.
  12. 12.Polyshares website. Accessed 14 Oct 2026. Company's own claim.
  13. 13.Polyshares website. Accessed 14 Oct 2026. Company's own claim.
  14. 14.Polyshares website. Accessed 14 Oct 2026. Company's own claim.
  15. 15.Polyshares website. Accessed 14 Oct 2026. Company's own claim.
  16. 16.Polyshares data handling page. Accessed 14 Oct 2026. Company's own claim.
  17. 17.Polyshares track record page. Accessed 14 Oct 2026. Company's own claim.
  18. 18.Nyne sell-company-data page. Accessed 14 Oct 2026. Company's own claim.
  19. 19.Nyne sell-company-data page. Accessed 14 Oct 2026. Company's own claim.
  20. 20.Nyne sell-company-data page. Accessed 14 Oct 2026. Company's own claim.
  21. 21.Troveo, financial firm data licensing guide, published 11 Oct 2026. Accessed 14 Oct 2026. Company's own claim.
  22. 22.Troveo, financial firm data licensing guide, published 11 Oct 2026. Accessed 14 Oct 2026. Company's own claim.
  23. 23.Troveo, published 11 Sep 2026. Accessed 14 Oct 2026. Company's own claim.
  24. 24.Troveo business data page. Accessed 14 Oct 2026. Company's own claim.
  25. 25.Troveo, published 11 Sep 2026. Accessed 14 Oct 2026. Company's own claim.
  26. 26.Troveo business data assessment. Accessed 14 Oct 2026. Company's own claim.
  27. 27.Polyshares intake catalog. Accessed 14 Oct 2026. Company's own claim.
  28. 28.VMS data licensing page. Accessed 14 Oct 2026. Company's own claim.
  29. 29.Ventra partners page. Accessed 14 Oct 2026. Company's own claim.
  30. 30.Polyshares. Accessed 14 Oct 2026. Company's own claim.
  31. 31.Mercor Data. Accessed 14 Oct 2026. Company's own claim.
  32. 32.Troveo business data page. Accessed 14 Oct 2026. Company's own claim.
  33. 33.Handshake AI data partnerships referral page. Accessed 14 Oct 2026. Company's own claim.
  34. 34.micro1 Enterprise Data Partnership page. Accessed 14 Oct 2026. Company's own claim.
  35. 35.Pewter website. Accessed 14 Oct 2026. Company's own claim.
  36. 36.Endless website. Accessed 14 Oct 2026. Company's own claim.
  37. 37.Meta Ad Library, Ventra page. Accessed 14 Oct 2026. Company's own claim.
  38. 38.Supersoniq website. Accessed 14 Oct 2026. Company's own claim.
  39. 39.Polyshares website. Accessed 14 Oct 2026. Company's own claim.
  40. 40.Nyne sell-company-data page. Accessed 14 Oct 2026. Company's own claim.
  41. 41.micro1 Enterprise Data Partnership page. Accessed 14 Oct 2026. Company's own claim.
  42. 42.Invisible, RL environments. Accessed 14 Oct 2026. Company's own claim.
  43. 43.OpenAI, GDPval paper. Accessed 14 Oct 2026.
  44. 44.Goldmined.ai check page. Accessed 14 Oct 2026. Company's own claim.
  45. 45.Jottings FAQ. Accessed 14 Oct 2026. Company's own claim.
  46. 46.Cognor Labs partners page. Accessed 14 Oct 2026. Company's own claim.
  47. 47.Ventra company data page. Accessed 14 Oct 2026. Company's own claim.
  48. 48.Mercor Data page. Accessed 14 Oct 2026. Company's own claim.
  49. 49.Mercor Data page. Accessed 14 Oct 2026. Company's own claim.
  50. 50.Your Data Value website. Accessed 14 Oct 2026. Company's own claim.