🤷♂️ TL;DR Vote on next group of profiles 175 Jobs, 16 events, 4:52 hours of learning and 1 vendor spotlight (Thomson Reuters).
It’s 3 weeks in now and I’m getting into the rhythm of writing and promoting a weekly newsletter, I really hope you are finding it useful and please do share any feedback or ideas.
I started off in familiar territory, profiling the companies I’ve worked for and competed with over the years, like Avalara, Sovos and now Thomson Reuters ONESOURCE (you can probably work out who’s next after that too!). But now the next stage begins as I dig in to new areas (for me at least) of the market, and there are options of which way to turn next…
VAT challengers (Fonoa, VATCalc, Taxually etc)
AI Native players (Kintsugi, Sphere, Numeral)
Einvoicing platforms (Basware, Edicom, RTC)
SAP Add-ons (KGT, ITL, SOVOS TLI)
Direct tax platforms (ONESOURCE, TaxSystems, Orbitax, Longview)
I’d love your input on this, so please take a moment to click below!
Thanks as always for taking the time to read, now onto the issue itself ✌
🐱👤 Vendor Spotlight -Thomson Reuters ONESOURCE
ONESOURCE Indirect Tax: Enterprise-Grade Depth and Institutional Ecosystem — With the Complexity to Match
Thomson Reuters ONESOURCE Indirect Tax isn’t chasing the API-native disruptor hype. It’s the embedded tax engine large SAP-heavy enterprises lean on when multi-country VAT, volumetric excise and Superfund rules demand institutional-grade depth — especially now as CTC mandates force multinationals to rethink embedded compliance.
What ONESOURCE actually is
ONESOURCE delivers global VAT/GST/sales use tax determination, returns/reporting, e-invoicing/CTC via Pagero (80 mandate countries), managed filing services, nexus intelligence, special regimes (fuels/Superfund standout), embedded workflows, and deep ERP integrations. Core regimes span 205 countries/territories with SAP S4HANA as the gravitational centre — Endorsed App across three solutions. Public sources peg Thomson Reuters Corporates (ONESOURCE home) at ~1,844M FY2024 revenue, with indirect tax estimated at 244–314M (central 275M; Calculation 45–55%, Pagero CTC 30–40%). Longlist this if you’re a large B2B goods/services multinational with SAP/multi-ERP sprawl and regulated verticals — not for nimble digital natives.
Where it beats the market baseline
Against indirect tax table stakes, ONESOURCE clears the bar decisively on calculation depth — global engine handles exemptions, VAT grouping, and niche Superfund/excise no peer matches — plus SAP-embedded integration that’s repeatedly the deal-clincher in enterprise reviews. The CIP ecosystem is an unmatched structural moat, turning Big 4 into a distribution flywheel other vendors’ partner programmes feel like checkboxes. Pagero vaults e-invoicing/CTC above baseline (IDC Leader), with Deloitte now running managed services on the stack. It’s merely adequate on UX (steep curves, specialist-only) and nascent on AI (no copilots/agentic yet), while pricing opacity trails transparent alternatives.
Portfolio analysis
Pagero’s 2024 bolt-on (~103M partial-year) flipped the mix: e-invoicing/CTC now rivals legacy calculation as top revenue driver, overtaking returns and pushing intelligence/special regimes to tail-end. Sabrix heritage built the determination core (2009 acquisition), with E-Invoicing launch (2023) and edge-POS (2024) layering modern delivery — but patching demands full regression tests per fix, baking ops burden into every update. Architecture is ERP-first, not API-native: upstream determination feeds Pagero cleanly on paper, but reviews flag Oracle Fusion liaison friction. Net: broad, acquisition-tested portfolio where investment flows to CTC growth, but diligence architecture silos — you’re buying connected suite or vendor-branded point tools?
Business model and size band fits
Business model fit
B2B goods: 3 – Strong fit; VAT/exemptions/SAP + CTC for complex chains.
B2C goods: 2 – Good fit; enterprise-scale POS/VAT, overkill for domestic/simple e-comm.
B2B/B2C digital services: 2 – Good fit; OSS/place-of-supply workable, not subscription-native.
B2B/B2C services: 3 – Strong fit; multi-office VAT + services align cleanly.
Size band fit
Small: 1 – Partial fit; impl cost/complexity prohibitive sans exceptional needs.
Medium: 2 – Good fit; upper mid-market multi-VAT/ERP justifies if governed tightly.
Large: 3 – Strong fit; SAP/multi-entity natural habitat, CIP de-risks scale.
Customer and employee sentiments
Customers split two-tier: G2/Gartner ~3.8–4.0/5 (800+ reviews) praise integration (9.0/10), analytics (9.0), ERP depth for enterprise; Capterra/TrustRadius dip to 3.5/5 (50–100 reviews) on helpdesk delays, patching burden, form lags. AWS flags SMB cost-prohibitive. Headline: experts love depth, mid-market hates friction — confirms large-enterprise ICP.
Employees: Glassdoor 4.0/5 (14k+ corp-wide) lauds WLB/peers (4.0), 76% recommend; Indeed ~3.8/5 steady but bureaucratic. RepVue 78.5/100 (631 ratings): quota 47% (strong), PMF 4.1/5 (top), culture 3.0/5 (bottom-half). Implication: stable institutional talent for domain work, but sales/GTM lean — buyers get continuity via CIP, not direct org depth.
For prospective buyers
If you’re Large SAP-centric B2B goods/services with 20+ VAT jurisdictions and fuels/Superfund exposure, ONESOURCE is shortlist-essential — pair with Deloitte/KPMG for de-risked implementation, but contract patching SLAs, Pagero integration proofs, and renewal caps (RepVue flags price exodus). Medium upper-mid with multi-country VAT/ERP? Viable if you govern like enterprise — benchmark TCO vs lighter stacks, negotiate entity/module flexibility. Digital-first SaaS or small/lean? Pass — complexity/cost outweighs baseline calc/VAT; API-natives win on velocity/TCO. Overall, diligence Big 4 relationships as moat, but probe AI/roadmap vs stagnant G2 direction (5.8/10) — this is enduring infrastructure, not disruption.
For prospective employees
Thrive as tax content/SME: unmatched domain depth (200+ countries), Big 4 adjacency builds credebility and path.
Good for platform engineers: untangle ERP/CTC plumbing, stable corporation vs PE churn.
Risky for sales (AE/BDR): 47% quota solid but territory variance, comp cuts frustrate.
Mixed CSM/post-sales: enterprise wins complex; mid-market exposed to support gaps.
Neutral career play: brand/WLB pull strong, but promo slowness/offshoring push high performers out.
Want a copy of the full 30+ page report? email me here
🙌 April/May Events
A selection of of opportunities to connect in person and interact online over the next few weeks
April 2026
What to Know About EU Tax Policy (Webinar)
PwC | April 28, 2026 | Online/Virtual
Update on the latest EU tax policy developments and their impact on multinational business operations.
Event Page →
Master Data: The Foundation of Confident E-Invoicing Compliance (Webinar)
Vertex Inc | April 28, 2026 | Online/Virtual
In-depth session on how strong master data practices enable organisations to meet evolving e-invoicing mandates with confidence.
Event Page →
ITR AI in Tax Forum 2026 (In-Person)
Fintua (Silver Sponsor) / Vertex Inc (Gold Sponsor) | April 29, 2026 | The Minster Building, London, UK
Forum exploring how artificial intelligence is reshaping tax functions, from automation to data strategy and regulatory readiness.
Register →
From Compliance to Control: Designing a Modern VAT Operating Model (Webinar)
Ryan | April 30, 2026 | Online/Virtual
Explores what it takes to move from reacting to VAT compliance to running a proactive, strategic, and controlled VAT operating model.
Event Page →
May 2026
Tax Reporting & Withholding Conference (In-Person)
Sovos | May 4–6, 2026 | The Gaylord National Resort, Oxon Hill, MD, USA
Deep dive into crypto asset reporting regulations and the latest Form 1099 and 1042-S reporting requirements for tax and compliance professionals.
Deloitte Tax Accounting Conference (In-Person)
Deloitte | May 11–15, 2026 | Four Seasons Hotel, Las Vegas, Nevada, USA
Semiannual conference featuring sessions covering ASC 740 foundations, international tax accounting essentials, and complex domestic and global legislative changes. Includes dedicated courses on Tax Accounting Essentials (May 11–12), Tax Accounting International Essentials (May 13), and Tax Accounting Complexities (May 13–15).
Event Page →
SAP Sapphire Orlando 2026 (In-Person)
Vertex Inc | May 11–13, 2026 | Orlando, FL, USA
SAP’s flagship user conference featuring Vertex at Booth #343, plus a dedicated customer session on SAP tax transformation.
Register →
E-Invoicing: What Accounts Payable Teams Need to Know (Webinar)
VAT IT | May 12, 2026 | Online/Virtual
Overview of global e-invoicing mandates, upcoming country requirements, and practical compliance insights for accounts payable and business teams.
Register →
SYNAPSE Workshop SF 2026: Where Tax Meets Intelligence (In-Person)
Fonoa | May 12, 2026 | San Francisco, USA
Half-day session where indirect tax leaders explore the future of indirect tax, measure tax tech maturity, and network with peers in the digital economy.
Register →
Private Companies Tax Update: Pillar Two, GI3/R&D, and M&A (Webinar)
Deloitte | May 12, 2026 | Online/Virtual
Practical discussion on the next wave of tax changes impacting private companies, with a focus on Pillar Two, GI3/R&D credits, and M&A tax considerations.
Register →
DynamicsCon 2026 (In-Person)
Vertex Inc | May 12–15, 2026 | Las Vegas, USA
Conference where Vertex helps Dynamics 365 customers modernise indirect tax processes and boost compliance confidence across their operations.
Register →
Accountex (In-Person)
VAT IT | May 13–14, 2026 | ExCeL London, UK
Brings together tax and finance leaders to discuss UK developments, Making Tax Digital, and European initiatives including VAT in the Digital Age (ViDA).
Register →
Tax Accounting in Action: Pillar 2 Unlocked (In-Person)
Deloitte Belgium | May 18–19, 2026 | Belgium
A comprehensive two-day workshop focused on Pillar 2 tax accounting changes, their practical implications, and implementation strategies.
Event Page →
Join EY, Meridian, Jaguar Land Rover, and SAP: Exclusive Tax and Trade Leadership Event (In-Person)
EY / Meridian Global Services | May 19, 2026 | EY Offices, London Bridge, London, UK
Brings together industry peers to explore the evolving landscape of tax and trade, focusing on the latest trends and best practices in global compliance. Contact Ruby Buckland at EY to register.
Event Page →
Trade and Tariff Tuesdays — May (Webinar)
Avalara | May 19, 2026 | Online/Virtual
Avalara experts break down key global trade issues and their business implications in this recurring webinar series.
Register →
Tax Intelligence 2026 / Evintel (In-Person)
Fintua / VAT IT | May 20–21, 2026 | Scandic Frankfurt Museumsufer, Frankfurt, Germany
Specialist summit for senior tax and technology professionals exploring the challenges and opportunities of governing VAT data and e-invoicing at scale.
Event Page →
*any organisers or events I’ve missed? please let me know.
🐱🏍 Learning
A curated selection of blogs, white-papers and on demand content published by multiple organisartions across the landscape, organised into a themed learning path.
MONTH ONE · APRIL 2026
Strategy, AI & the Evolving Tax Function
From macro trends and the AI inflection point through to practical platform strategy, data architecture, ROI evidence, and talent — all calibrated to where the market actually stands in mid-2026.
Week 4 · 28 April – 2 May
Maturity, ROI & Building the Case for Investment
11 📖 Corptax AI Powers the Future of Corporate Tax CSC Corptax 10–12 min
12 📖 AI for Tax ProfessionalsBloomberg Tax12–15 min12
13 🎥 The Tax Department Professional of the FutureThomson Reuters / TEI60 min · CPE
Week total: 2 articles + 1 webinar · ~82–87 min
MONTH TWO · MAY 2026
E-Invoicing, CTCs & Real-Time Compliance
Belgium is now live, Brazil is overhauling its entire indirect tax system, Poland’s KSeF mandate is entering enforcement, and France’s September 2026 deadline is approaching. The e-invoicing landscape has never moved faster.
Week 5 · 5–9 May
CTC Foundations: The Conceptual Framework You Need Before Reading Anything Else
13 📖 Continuous Transaction Controls (CTC): The Future of Compliance Sovos 12–15 min
14 📖 The Rise of E-Invoicing CTC Models Across the World Pagero (TR) 15–18 min
15 📖 Global Tax & E-Invoicing Updates for 2025: What You Need to Know Fonoa 15–20 min
Week total: 3 articles · ~42–53 min
Week 6 · 12–16 May
The European Mandate Wave: ViDA, Belgium Live, and What’s Next
This week has been updated to replace the KSeF-specific deep dive with a fresh analysis of Belgium’s live mandate, which went active on 1 January 2026 and entered full enforcement on 1 April 2026. The Belgium lessons are immediately applicable to the next wave of European mandates — France (September 2026), remaining German phase-in, and Croatia (2026).
16 📖 What is ViDA? VAT in the Digital Age Initiative Q&A Pagero (TR) 12–15 min
17 📖 5 Things We Can Learn from Belgium’s 2026 E-Invoicing Mandate Innovate Tax 8–10 min
18 🎥 VAT Snapshot: From Poland to the UAE — Preparing for 2026 Mandates Sovos 45–60 min
Week total: 2 articles + 1 webinar · ~65–85 min
Week 7 · 19–23 May
Platform Strategy: ERP Integration, Consolidation & Architecture
19 📖 Leading the Charge: E-Invoicing as the Cornerstone of Future Compliance Vertex Inc. 10–12 min
20 📖 E-Invoicing Transformation: How to Get It Right Pagero (TR) 10–12 min
21 🎥 E-Invoicing in Eastern Europe: KSeF, ViDA, Romania, Hungary & Beyond Pagero (TR) 45 min
Week total: 2 articles + 1 webinar · ~65–69 min
*any cool content I’ve missed? please let me know.
🎁 Open Taxtech Jobs
A randomised selection of open roles across tax tech vendors and tax advisory/consulting businesses who are involved in tax technology.
*I do this using an AI agent and due to the volume, I don’t check every link, so please let me know if any of these don’t work or have disappeared when you follow them.
✌ Last thoughts
Thanks again for reading! If you have any feedback, suggestions, want to contribute, share gossip or would like to work together in any way, email me here or hit the button below!
