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Relx vs Fiserv: RELX and FISV compared

Relx is the larger company: $4.9B of revenue in its latest quarter (H1 2026) against $5.2B for Fiserv (Q3 2026). Relx is growing faster (+3% against -1% a year earlier). Relx is more profitable, with an operating margin of 32.5% against -105.7%.

Relx vs Fiserv, latest quarterRelx vs Fiserv, latest quarterRelx (RELX)Fiserv (FISV)Revenue$4.9B$5.2BRevenue growth, Y/Y+3%-1%Operating margin32.5%-105.7%Net margin24.1%-114.3%Free cash flow$2.0B$530M

Where the money goes: RELX and FISV

Relx (RELX) · H1 2026

Relx, H1 2026: revenue $4.9B (+3% year over year), operating margin 32.5%, net earnings $1.2B, operating cash flow $2.0B. The chart follows the revenue to costs, profit and cash.

Fiserv (FISV) · Q3 2026

Fiserv, Q3 2026: revenue $5.2B (-1% year over year), operating margin -105.7%, net loss $5.9B, operating cash flow $1.0B. The chart follows the revenue to costs, profit and cash.

Relx revenue by segment, H1 2026Relx revenue by segment, H1 2026Risk$1.8BScientific, Technical & Medical$1.4BLegal$959MExhibitions$575M
Fiserv revenue by segment, Q3 2026Fiserv revenue by segment, Q3 2026Processing and services revenue$4.2BProduct revenue$965M
Relx (RELX)Fiserv (FISV)
Latest quarterH1 2026Q3 2026
Revenue$4.9B$5.2B
Revenue growth, Y/Y+3%-1%
Gross margin66.5%—
Operating margin32.5%-105.7%
Net earnings$1.2B−$5.9B
Net margin24.1%-114.3%
Operating cash flow$2.0B$1.0B
Free cash flow$2.0B$530M
Market value—$33.4B
Analysts’ mean target—$61.42

Where the revenue comes from

Relx

Fiserv

Questions

Which is bigger, Relx or Fiserv?

Relx is the larger company: $4.9B of revenue in its latest quarter (H1 2026) against $5.2B for Fiserv (Q3 2026).

Is Relx or Fiserv growing faster?

Relx is growing faster (+3% against -1% a year earlier).

Which is more profitable, Relx or Fiserv?

Relx is more profitable, with an operating margin of 32.5% against -105.7%.

More: Relx earnings · how Relx makes money · Fiserv earnings · how Fiserv makes money

From the companies' latest 10-Q, 10-K or earnings release (6-K filed Jul 23, 2026; 10-Q filed Nov 4, 2026). Fiscal quarters can end on different dates. Not investment advice.