1. You Can't Do That in Government:
Dispelling the Myths with Digital
Kalbir Sohi
HMRC Digital Service Manager for Platform as a Service
Duncan Crawford
HMRC Lead Platform Architect & Partner at Equal Expert

2. Tax Gap
£34bn
4%
growth
per annum
over last 4 years
Our business
Revenue £505.8 billion
£23.9bn of additional tax revenue brought in – a new record
5m
business users
41m
personal users
Workforce
reduction
2011-2016
22%

3. Our relationship with our customers
200m
outbound
letters
30m
inbound post
55m
inbound calls
300m
consumer
transactions online
740m
business
transactions online
£85m
print costs
(approximate)
70%
of all government
transactions

4. Revolution not evolution
Martha Lane Fox
Digital Transformation
25 Digital exemplars
Digital Service Manual
https://www.gov.uk/service-manual

5. Build 3
exemplar services

6. Meet digital by default
service standard

7. A new way
of doing things

8. MYTH: You can’t get
30 teams working
independently on a platform

9. Build a product that
allows British citizens
and companies to
manage their tax
affairs

10. Let’s build a
microservice architect
monolith

11. Services without
communicating
without a Bus

12. 5 to 500 people in 2
years

13. MYTH: You can’t
release everyday

14. 2 releases a year

15. What’s the smallest step
we can take?

16. 2 releases a week |>
40-50 releases a week |>
1 tool for releases

17. MYTH: You can’t build a
product in a month

18. The Tax Credit
challenge

19. MVP

20. 500,000 users in 2
months

21. Then we turned the
service off

22. MYTH: Every product
is a snowflake

23. Multi-Channel Digital
Tax Platform

24. What does “platform”
mean?

25. Opinionated but
meets user needs

26. Deployments
Scaling
Healing
Testing
Logs
Audit
Storage
Risking
Metrics
Performance

27. Summary : “You can’
t do that in any large
organisation…”

28. How about some questions?