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Mayday

United Kingdom

What it is

Mayday is a web-based month-end platform for finance teams using Xero, QuickBooks Online, or Intuit Enterprise Suite. It identifies missing or incorrect entries, calculates adjustments for review and approval, and posts approved journals to Xero or QuickBooks. Its product suite includes Flux, Prepayments, Accruals, Deferred Revenue, Balancer, Mayday HQ, BRAG, and Recharger. Mayday AIR uses accounting principles and business context to suggest actions; the maker says it will not train AIR on private customer data without permission. The platform supports approval workflows, audit trails, multi-entity close, and recurring templates. A free plan and a 30-day trial without payment card details are listed. The pricing note says paid access starts at £12.50/mo when billed annually, while individual plans are listed at £10/mo. QuickBooks Online users should note that BRAG and Mayday HQ are unavailable, and some functions in Balancer, Recharger, Deferred Revenue, and Prepayments are limited. Mayday says its service runs on AWS, with storage and processing in AWS's London region. The company was founded in 2021 and is headquartered in the United Kingdom.

For and against

For

  • Supports review and approval of month-end adjustments.
  • Offers audit trails and multi-entity close.
  • 30-day trial requires no payment card details.
  • Lists AWS hosting in the London region.

Against

  • BRAG and Mayday HQ are unavailable for QuickBooks Online.
  • Some QuickBooks Online product functions have limitations.
  • Web is the only listed platform.

The verdict

Mayday covers month-end adjustments and related workflows for teams using its supported accounting platforms. QuickBooks Online teams should review the stated feature limitations, and annual pricing starts at £12.50/mo.

Who it suits

Mayday suits finance teams at large or multi-entity businesses using its listed accounting platforms. It also offers Bureau plans for accountancy firms.

Plans and prices

Basic

Free

Free intercompany plan · unlimited users

Flux

£12.50a month, billed yearly

P&L comparisons · AI commentary · approval audit trail · unlimited users

Accruals

£30a month, billed yearly

Recurring and ad-hoc accruals · AI suggestions · one-click posting · unlimited users

Deferred revenue

£30a month, billed yearly

Revenue schedules · one-click posting · audit trail · unlimited users

Prepayments

£30a month, billed yearly

Prepayment schedules · one-click posting · audit trail · unlimited users

Intercompany Active

£34a month, billed yearly

Balancer · Recharger · BRAG · HQ

Recharger Lite

£10a month

Few inter-departmental transactions · 3 recharge rules shown

Accrued Costs

£10a month

Price scales with number of entities · Ad-hoc and recurring cost accruals · AIR predictions

Passive

£10a month

Unlimited intercompany balances · FX adjustments · Interest · Downloadable reports

Every plan, in full

On the record

Accruals
Accruals manages recurring and ad-hoc cost or revenue accruals and can suggest new accruals and reversals from ledger data.getmayday.com · read 14 Oct 2026
AI
Mayday AIR uses accounting principles and business context to suggest actions, and the maker says it is not trained on private customer data without permission.getmayday.com · read 7 Oct 2026
AI data policy
Mayday says its AIR engine is trained on synthetic data and explicitly consented data, not private customer data without permission.getmayday.com · read 14 Oct 2026
API permissions
Mayday’s connection guide says Xero users need Standard plus Reports or Adviser access because those roles determine the APIs Mayday can authorize.help.getmayday.com · read 14 Oct 2026
App listing age
The Xero App Store listing says Mayday was added in 2022 and is available in multiple countries including the United Kingdom, United States, Australia and Canada.apps.xero.com · read 14 Oct 2026
Audience
Mayday describes its users as large and multi-entity businesses and also offers Bureau plans for accountancy firms.getmayday.com · read 7 Oct 2026
Authentication
Mayday supports SSO and MFA through the connected Xero and Intuit accounts.getmayday.com · read 14 Oct 2026
Balancer
Balancer compares mapped intercompany loan, receivable and payable accounts, highlights discrepancies and calculates FX or interest adjustments.getmayday.com · read 14 Oct 2026
BRAG
BRAG is a browser extension that reconciles cross-entity transactions from inside Xero’s bank-reconciliation interface.getmayday.com · read 14 Oct 2026
Close workflow
It identifies missing or incorrect entries, calculates adjustments for review and approval, then posts approved journals to Xero or QuickBooks.getmayday.com · read 7 Oct 2026
Company location
LinkedIn lists the headquarters and primary location as London, England.linkedin.com · read 14 Oct 2026
Company size
LinkedIn lists Mayday as a privately held software-development company with 11–50 employees.linkedin.com · read 14 Oct 2026
Compliance
The maker states it complies with UK/EU GDPR requirements and aligns privacy practices with the Australian Privacy Principles.getmayday.com · read 7 Oct 2026
Data hosting
Mayday says its service runs on AWS and its data storage and processing occur in AWS's London region.getmayday.com · read 7 Oct 2026
Deferred Revenue
Deferred Revenue creates, reviews and posts revenue-recognition schedules from invoices, journals and bank transactions.getmayday.com · read 14 Oct 2026
Documentation and support
The Help Centre provides setup articles, quick-start guides and an offer of a free one-to-one onboarding call through in-app chat or email.help.getmayday.com · read 14 Oct 2026
Flux
Flux compares monthly P&L movements and drafts AI commentary for review, approval and editing.getmayday.com · read 14 Oct 2026
Integrations
Mayday connects with Xero, QuickBooks Online and Intuit Enterprise Suite; product pages describe one-click posting back to the accounting systems.getmayday.com · read 14 Oct 2026

The review

Mayday is a month-end close platform for finance teams working in Xero, QuickBooks Online or Intuit Enterprise Suite. It is best suited to larger, multi-entity businesses and accountancy firms that need structured adjustments, approvals and journal posting. Its modular tools can target specific close tasks, but QuickBooks Online users should weigh the feature restrictions before choosing it.

Overview

Mayday takes close work from identifying missing or incorrect entries through calculating adjustments and routing them for review and approval, then posting approved journals to Xero or QuickBooks. Keeping those steps in one workflow can help teams manage adjustments with a clear approval trail; the payoff depends on whether the relevant modules support their accounting platform.

The product suite includes Flux, Prepayments, Accruals, Deferred Revenue, Balancer, Mayday HQ, BRAG and Recharger. Mayday AIR uses accounting principles and business context to suggest actions. The maker says it does not train on private customer data without permission. Security measures include encryption in transit and at rest, role-based access controls, 24/7 infrastructure monitoring, and SSO and MFA via Xero and Intuit. Mayday says its service runs on AWS, with data storage and processing in AWS's London region; it complies with UK/EU GDPR requirements and aligns privacy practices with the Australian Privacy Principles.

Key features

Close adjustments and controls

Identifying entries that need attention, calculating proposed adjustments, and requiring approval before posting gives finance teams a more controlled path from review to journal. Approval workflows and an audit trail are useful for teams that need accountability across a multi-entity close. Recurring templates can support repeatable work, though the specific modules and platform determine which workflows are available.

Modular tools and AI

Flux provides P&L variance analysis, AI commentary, review, approval and an audit trail. Accrued Costs and Accrued Revenue offer ad-hoc and recurring accruals with AIR predictions, while Prepayments and Deferred Revenue provide schedules and one-click posting to Xero or QBO. These modules let teams pay for a particular workflow rather than assume every team needs the whole suite. AIR predictions and suggested actions may help focus review, but they do not replace approval controls.

Intercompany and recharge

Basic covers three same-currency intercompany balances; Passive adds unlimited balances, FX adjustments, interest, downloadable reports and read-only Mayday HQ access. Active includes AR/AP matching, unlimited recharge rules and BRAG transactions, plus unlimited Mayday HQ access. Recharger Lite is positioned for teams with few inter-departmental transactions and shows three recharge rules. This tiering makes transaction volume and the need for HQ access important when selecting a plan.

Pricing

Mayday has a free plan and a 30-day free trial that does not require payment card details. Paid pricing starts at £12.50/mo (annual), while the plan prices below are shown as monthly billed amounts:

  • Basic: £0/mo, with three intercompany balances in the same currency, unlimited users and live chat support. It suits teams needing a small, narrow intercompany allowance, but excludes the higher-capacity balances and features in paid plans.
  • Flux: £10/mo for P&L variance analysis, AI commentary, review, approval and an audit trail. It fits teams focused on variance review rather than a broader set of close workflows.
  • Accrued Costs: £10/mo for ad-hoc and recurring cost accruals with AIR predictions. Price scales with the number of entities, so multi-entity buyers should account for that when comparing costs.
  • Accrued Revenue: £10/mo for ad-hoc and recurring revenue accruals with AIR predictions; price scales with the number of entities.
  • Prepayments: £10/mo for prepayment release schedules and one-click posting to Xero or QBO. Price scales with the number of entities.
  • Deferred Revenue: £10/mo for deferred revenue schedules and one-click posting to Xero or QBO. Price scales with the number of entities.
  • Recharger Lite: £10/mo for teams with few inter-departmental transactions; three recharge rules are shown.
  • Passive: £10/mo for unlimited intercompany balances, FX adjustments, interest, downloadable reports, read-only Mayday HQ access and unlimited users.
  • Active: £10/mo for AR/AP matching, unlimited recharge rules, BRAG transactions, Mayday HQ access and users.
  • Advanced: £10/mo, with everything from Active, a bespoke rule creation service, two-hour tailored onboarding and a dedicated account manager. It suits buyers who want those additional services alongside Active features.

The stated monthly amounts make individual modules accessible at a low entry price, but entity-based pricing for several plans means the starting amount is not necessarily the whole cost for a larger organization. The plan details do not state a renewal term or seat caps beyond the unlimited-user terms noted above.

Mayday also offers Bureau plans for accountancy firms. Its pricing FAQ says in-app support chat receives a personal response within hours, often within minutes.

Platforms

Mayday is a web platform and supports Xero, QuickBooks Online and Intuit Enterprise Suite. Its workflow posts approved journals to Xero or QuickBooks. QuickBooks Online users face specific gaps: BRAG and Mayday HQ are unavailable, and some Balancer, Recharger, Deferred Revenue and Prepayments functions have limitations. Teams relying on those capabilities should confirm that their required workflows are covered before choosing Mayday.

Who it's for

Mayday is a strong fit for finance teams at larger or multi-entity businesses that use a supported accounting platform and want structured adjustment review, approvals and posting. Its modules also suit teams that need a focused tool for accruals, prepayments, deferred revenue, variance analysis or intercompany work. Accountancy firms can consider its Bureau plans. It is a weaker fit for QuickBooks Online teams whose close process depends on BRAG, Mayday HQ or restricted functions.

Pros and cons

  • Pros: The workflow connects issue identification, adjustment calculation, approval and journal posting, helping teams keep close work controlled.
  • Pros: Modular plans target distinct finance tasks, and several include unlimited users, avoiding a per-seat constraint on those plans.
  • Pros: The 30-day trial requires no payment card, giving teams time to assess fit before subscribing.
  • Cons: QuickBooks Online lacks BRAG and Mayday HQ, with further limitations across several modules, which can rule it out for teams that need those features.
  • Cons: Costs for Accrued Costs, Accrued Revenue, Prepayments and Deferred Revenue scale with entity count, complicating budget comparisons for multi-entity organizations.
  • Cons: Basic limits intercompany balances to three and the same currency, making it a narrow starting point for more complex groups.

Alternatives

Verdict

Choose Mayday if your finance team uses a supported accounting platform and wants modular month-end tools with approvals and controlled journal posting. Its most compelling advantage is connecting close review to approved adjustments and posting, with plans that can focus on individual workflows. Look elsewhere if your QuickBooks Online process relies on BRAG, Mayday HQ or functions affected by its limitations, or if entity-scaled pricing makes the modules less predictable for your group.

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